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191 Chapter: 191: Dependabilityand quality of ElectricityService

191-01 Section 191-01 Fundamental concepts

191-02 Section 191-02 Item related performance

191-04Section 191-04 Failures

191-05Section 191-05 Faults, Errors and mistakes

191-06 Section 191-06 Item related states

191-07Section 191-07 Maintenance

191-08 Section 191-08 maintenance related times

191-09 Section 191-09 item state related times191-10 Section 191-10 reliability performance

measure related times

91-11 Section 191-11 Availability performancemeasures

191-12 Section 191-12 Reliability performancemeasures

191-13 Section 191-13 Maintainability andmaintenance support performance

measures

191-14 Section 191-14 Test Concepts

191-15 Section 191-15 Design concepts

191-16 Section 191-16 Analysis concepts

191-17 Section 191-17 Improvement Processes

191-18 Section 191-18 Measure Modifiers

191-19 Section 191-19 Service related performance 191-20 Section 191-20 Time concepts related to

interruptions

301 Chapter 301 :General Terms OnMeasurements In Electricity

301-01Section 301-01 Methods of measurements

301-02 Section 301-02 Basic terms301-03 Section 301-03 - General Terms Relating to

the operation or the function

301-04 Section 301-04- Measuring Instruments

301-05 Section 301-05- Miscellaneous Devices

301-06 Section 301-06 - Terms Relating toAccessories

301-07 Section 301-07 - Terms Relating toMeasuring Instruments

301-08 Section 301-08 - Terms Related to theSpecification of Performance

301-09 Section 301-09 - Terms Relating toTechnical Characteristics

301-10Section 301-10 Performance

302 Chapter 302: Electrical Measurements302-01 Section 302-01 - General Terms Relating to

the principle of Operation

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302-02 Section 302-02 : General Terms Relating to

Constructional or Operational Details

302-03 Section 302-03 - Detecting and IndicatingInstruments

302-04 Section 302-04 - Electric Energy Meters

302-05Section 302-05 - Bridges

302-06 Section 302-06 - Constructional Elements302-07

Section 302-07 - Terms Relating to

Technical Characteristics

302-08

Section 302-08 - Terms Relating to thePerformance

303 Chapter 303: Electronic measuringInstruments

303-01 Section 303-01 - General Terms

303-02 Section 303-02- Inputs And Outputs

303-03 Section 303-03-Electronic MeasuringInstruments and their Components Parts

303-04 Section 303-04 - Terms ConcerningOscilloscopes

303-05 Section 303-05 - Terms ConcerningStabilized Supply Apparatus

303-06

Section 303-06 - Terms Concerning Signal

Generators

303-07

Section 303-07 - Terms Concerning Digital

Instruments

303-08Section 303-08 - Performance601 Chapter 601: Generation, Transmission

and Distribution of Electricity - General

601-01 Section 601-01 Fundamental terms

601-02 Section 601-02 System configuration

601-03Section 601-03 Equipment

601-04 Section 601-04 High voltage d.c systems602 Chapter 602: Generation, Transmission

and Distribution of Electricity

602-01 Section 602-01 - Power Stations

602-02 Section 602-02 - Installation and GenerationEquipment

602-03 Section 602-03 Operation of power stations603 Chapter 603: Generation, Transmission

and Distribution of Electricity Planning and Management

603-01 Section 603-01 Power system planning

603-02 Section 603-02 Network Calculation 603-03 Section 603-03 Stability603-04 Section 603-04 Power system control603-05 Section 603-05 Power system reliability603-06 Section 603-06 Economic optimization

604 Chapter 604: Generation, transmission andDistribution of electricity - operation

604-01 Section 604-01 Quality of supply604-02Section 604-02 Faults

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604-03 Section 604-03 Over voltages and

insulation co-ordination

604-04Section 604-04 Safety604-05

Section 604-05 Electromagnetic

Interference and noise in

telecommunication systems

605 Chapter 605: Generation, Transmissionand Distribution of Electricity

Substations

605-01 Section 605-01 Types of substations -Substation layouts

605-02 Section 605-02 Primary plant of substations605-03 Section 605-03 Secondary arrangements

of Substations

691 Chapter 691: Tariffs for Electricity

691-01 Section 691-01 Agreement: Tariff parties691-02 Section 691-02 Energy and demand

691-03 Section 691-03 Tariff Components

691-04 Section 691-04 Tariffs

691-05 Section 691-05 Tariffs Classed AccordingStructure

691-06 Section 691-06 Tariffs by times of day andyear

691-07 Section 691-07 Tariffs by consumer class

691-08 Section 691-08 Tariffs by class of use

691-09 Section 691-09 Additional tariff conditions

691-10 Section 691-10 Associated demand terms691-11 Section 691-11 Costing terms

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IEC CHAPTER 191: Dependability and Quality of Electricity Service

SECTION 191 - 01 :Fundamental Concepts

191-01-01 Item - Entity Entit - Dispositif - individu 191-01-02 Repaired item Entit rpare 191-01-03 Non-repaired item Entit non rpare 191-01-04 Service Service

191-01-05 Required function Fonction requise 191-01-06 Functional mode Mode de fonctionnement 191-01-07 Instant of time Instant 191-01-08 Time interval Intervalle de temps 191-01-09 ( Time ) duration Dure 191-01-10 Accumulated time Dure cumule

191-01-11Measure ( in the probabilistictreatment of dependability )

Caractristique ( probabiliste) -Mesure ( en sret defonctionnement )

191-01-12 Operation Exploitation 191-01-13 Modification ( of an item ) Modification ( dune entit)

Section 191-02 Item related performance

191-02-01 Effectiveness (performance) Efficacit (performance ) 191-02-02 Durability Durabilit 191-02-03 Dependability Sret de fonctionnement 191-02-04 Capability Capacit ( dune entit) 191-02-05 Availability ( performance ) disponibilit 191-02-06 Reliability ( performance ) fiabilit 191-02-07 Maintainability (performance) Maintenabilit

191-02-08Maintenance supportperformance

Logistique de maintenance

Section 191-04 Failures

191-04-01 Failure dfaillance 191-04-02 Critical failure Dfaillance critique 191-04-03 Non-critical failure Dfaillance non critique

191-04-04 Misuse failure Dfaillance par mauvais emploi 191-04-05 Mishandling failure

Dfaillance par faussemanoeuvre

191-04-06 Weakness failure Dfaillance par fragilit 191-04-07 Design failure Dfaillance due la conception 191-04-08 Manufacturing failure Dfaillance due la fabrication

191-04-09 Ageing failureWearout failure

Dfaillance par vieillissement -Dfaillance par usure

191-04-10 Sudden failure Dfaillance soudaine

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IEC 191-04-11 Gradual failureDrift failure Dfaillance progressive -Dfaillance par drive

191-04-12Cataleptic failureCatastrophic failure Dfaillance catalectique

191-04-13 Relevant failureDfaillance pertinente -Dfaillance prendre en compte

191-04-14 Non-relevant failureDfaillance non pertinente -Dfaillance ne pas prendre encompte

191-04-15 Primary failure Dfaillance primaire 191-04-16 Secondary failure Dfaillance secondaire 191-04-17 Failure cause Cause de dfaillance 191-04-18 Failure mechanism Mcanisme de dfaillance

191-04-19Systematic failure

reproductible failure

Dfaillance systmatique -

Dfaillance reproductible

191-04-20 Complete failure Dfaillance complte 191-04-21 Partial failure Dfaillance partielle 191-04-22 Degradation failure Dfaillance par dgradation

Section 191-05 Faults, Errors and mistakes

191-05-01 FaultPanne - Drangement ( entlcommunication)

191-05-02 Critical fault Panne critique 191-05-03 Non-critical fault Panne non critique 191-05-04 Major fault Panne majeure 191-05-05 Minor fault Panne mineure 191-05-06 Misuse fault Panne par mauvais emploi 191-05-07 Mishandling faults Panne par fausse manoeuvre 191-05-08 Weakness fault Panne par fragilit 191-05-09 Design fault Panne due la conception 191-05-10 Manufacturing fault Panne due la fabrication

191-05-11Ageing faultWearout fault

Panne par vieillissement - Pannepar usure

191-05-12 Programme-sensitive faultPanne mise en vidence par leprogramme

191-05-13 Data-sensitive faultPanne mise en vidence par lesdonnes

191-05-14Complete faultFunction-preventing fault Panne complte

191-05-15 Partial fault Panne partielle

191-05-16

Persistent fault

Permanent faultSolid fault Panne permanente

191-05-17Intermittent faultVolatile faulttransient fault

Panne intermittent - Pannetemporaire

191-05-18 Determinate fault Panne franche 191-05-19 Indeterminate fault Panne indtermine 191-05-20 Latent fault Panne latente 191-05-21 Systematic fault Panne systmatique 191-05-22 Fault mode Mode de panne

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IEC 191-05-23 Faulty En panne 191-05-24 Error erreur

191-05-25MistakeHuman error

Erreur ( humaine )

Section 191-06 Items related states

191-06-01 Operating state (tat de ) fonctionnement 191-06-02 Non-operating state (tat de ) non fonctionnement 191-06-03 Standby state attente

191-06-04 Idle stateFree state

tat vacant - tat libre

191-06-05 Disabled stateOutage

tat dincapacit

191-06-06 External disabled state tat incapacit externe

191-06-07 Down stateInternal disabled state

tat dindisponibilit - tatincapacit interne

191-06-08 Up state tat de disponibilit 191-06-09 Busy state Occupation - tat occup 191-06-10 Critical state tat critique

Section 191-07 Maintenance

191-07-01 Maintenance Maintenance 191-07-02 Maintenance philosophy Doctrine de maintenance 191-07-03 Maintenance policy Politique de maintenance

191-07-04Maintenance echelonLine of Maintenance chelon de maintenance

191-07-05Indenture level ( for

maintenance )

Niveau dintervention - ( pour la

maintenance)

191-07-06 Level of maintenance Niveau de maintenance

191-07-07 Preventive maintenance Entretien - Maintenanceprventive

191-07-08 Corrective maintenance Maintenance corrective -Dpannage

191-07-09 Controlled maintenance Maintenance dirige

191-07-10 Scheduled maintenanceEntretien systmatique -Maintenance systmatique -Entretien programme

191-07-11 Unscheduled maintenanceMaintenance conditionnelle -Maintenance non programme

191-07-12 On-site maintenance Maintenance sur site 191-07-13 Off-site maintenance Maintenance hors site

191-07-14 Remote maintenance Tlmaintenance 191-07-15 Automatic maintenance Maintenance automatique

191-07-16 Deferred maintenance Maintenance diffre -Intervention diffre

191-07-17 Elementary maintenanceactivityOpration lmentaire demaintenance

191-07-18 Maintenance actionMaintenance task

Opration de maintenance -Tche de maintenance

191-07-19 Repair Rparation 191-07-20 Fault recognition Dtection de panne

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IEC 191-07-21 Fault localization Localisation de panne 191-07-22 Fault diagnosis Diagnostic de panne 191-07-23 Fault correction Correction de panne 191-07-24 Function check-out Vrification de fonctionnement

191-07-25RestorationRecovery Rtablissement

191-07-26SupervisionMonitoring Surveillance - Supervision

191-07-27 Maintenance entity Cellule de maintenance

191-07-28 Function -affectingmaintenance

Maintenance affectant lesfonctions

191-07-29Function-preventingmaintenance

Maintenance avec arrt -Maintenance empchantlaccomplissement des fonctions

191-07-30 Function-degradingmaintenance

Maintenance en fonctionnementdgrad - Maintenancedgradant les fonctions

191-07-31Function-permittingmaintenance

Maintenance en fonctionnement- Maintenance en exploitation

Section 191-08 Maintenance relatedtimes

191-08-01 Maintenance time Temps de maintenance

191-08-02 Maintenance man-hoursDure quivalente demaintenance - Dure enhommes-heures

191-08-03 Active maintenance time Temps de maintenance active 191-08-04 Preventive maintenance time Temps dentretien

191-08-05 Corrective maintenance timeTemps de maintenancecorrective

191-08-06 Active preventive maintenancetime

Temps dentretien actif

191-08-07 Active corrective maintenancetime

Temps de maintenancecorrective active

191-08-08 Undetected fault time Temps de panne latent

191-08-09Administrative delay ( forcorrective maintenance)

Dlai administratif ( pour lamaintenance corrective)

191-08-10 Logistic delay Dlai logistique 191-08-11 Fault correction time Temps de correction de panne 191-08-12 Technical delay Dlai technique

191-08-13 Check-out time Temps de vrification dufonctionnement

191-08-14 Fault diagnosis time Temps de diagnostic de panne 191-08-15 Fault localization time Temps de localisation de panne 191-08-16 Repair time Temps de rparation

Section 191-09 Item state related times

191-09-01 Operating time Temps de fonctionnement 191-09-02 Non-operating time Temps de non-fonctionnement 191-09-03 Required time Priode requise 191-09-04 Non-required time Priode non requise 191-09-05 Standby time Priode dattente

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IEC 191-09-06 Idle timeFree time Temps mort - Temps libre -Priode vacante 191-09-07 Disabled time Temps dincapacit 191-09-08 Down time Temps dindisponibilit 191-09-09 Accumulated down time Dure cumule indisponibilit

191-09-10External disabled timeExternal loss time Temps incapacit externe

191-09-11 Up time Temps de disponibilit

Section 191-10 Reliability performance measure relatd times

191-10-01 Time to first failureDure de fonctionnement avantla premire dfaillance

191-10-02 Time to failureDure de fonctionnement avantdfaillance

191-10-03 Time between failures Temps entre dfaillances

191-10-04 Operating time betweenfailures

Dure de bon fonctionnement -Temps de bon fonctionnement

191-10-05 Time to restorationTime to recovery Temps de panne

191-10-06 Useful life Vie utile 191-10-07 Early failure period Priode de dfaillance prcoce

191-10-08Constant failure intensityperiod

Priode dintensit constante dedfaillance

Section 191-11 Availability performance measures

191-11-01 Instantaneous availability Disponibilit (instantane) 191-11-02 Instantaneous unavailability Indisponibilit ( instantane )

191-11-03 Mean availability Disponibilit moyenne 191-11-04 Mean unavailability Indisponibilit moyenne 191-11-05 Asymptotic availability Disponibilit asymptotique 191-11-06 (Steady-state) availability Disponibilit en rgime tabli 191-11-07 Asymptotic unavailability Indisponibilit asymptotique 191-11-08 ( Steady-state) unavailability Indisponibilit en rgime tabli

191-11-09 Asymptotic mean availabilityDisponibilit moyenneasymptotique

191-11-10 Asymptotic mean unavailabilityIndisponibilit moyenneasymptotique

191-11-11 Mean up timeTemps moyen de disponibilit -Dure moyenne de disponibilit

191-11-12 Mean down timeTemps moyen dindisponibilit -Dure moyenne indisponibilit -

TMI ( abrviation )

191-11-13 Mean accumulated down timeDure cumule moyenneindisponibilit

Section 191-12 Reliability performance measures

191-12-01 Reliability fiabilit

191-12-02 (Instantaneous ) failure rateTaux (instantan) de dfaillance- Densit ( instantane) dedfaillance

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IEC 191-12-03 Mean failure rate Taux moyen de dfaillance -Densit moyenne de dfaillance

191-12-04(Instantaneous ) failureintensity

Intensit ( instantane ) dedfaillance

191-12-05 Mean failure intensity Intensit moyenne de dfaillance

191-12-06 Mean time to first failureDure moyenne defonctionnement avant lapremire dfaillance

191-12-07 Mean time to failureDure moyenne defonctionnement avant dfaillance- MTTF (abrviation )

191-12-08 Mean time between failures Temps moyen entre dfaillances

191-12-09 Mean operating time betweenfailures

Moyenne des temps de bonfonctionnement - MTBF

(abrviation )

Section 191-13 Maintainability and maintenance supportperformance measures

191-13-01 Maintainability Maintenabilit

191-13-02 ( Instantaneous ) repair rateTaux (instantan) de rparation -Densit ( instantane) derparation

191-13-03 Mean repair rateTaux moyen de rparation -Densit moyenne de rparation

191-13-04 Mean maintenance man-hoursDure moyenne quivalente demaintenance - Dure moyenneen homes-heures

191-13-05 Mean repair time Dure moyenne de rparation

191-13-06 P-fractile repair time

Fractile dordre de la dure de

rparation

191-13-07Mean active correctivemaintenance time

Dure moyenne de maintenancecorrective active

191-13-08

Mean time to restorationMean time to recoveryMTTR ( abbreviation )Mean time to repair(deprecated )

Dure moyenne de panne -Moyenne des temps pour latache de rparation - MTTR(abrviation)

191-13-09 Fault coverage Couverture des pannes 191-13-10 Repair coverage Couverture des rparations

191-13-11 Mean administrative delayDure moyenne du dlaiadministratif

191-13-12 P-fractile administrative delayFractile dordre p du dlaiadministrative

191-13-13 Mean logistic delayMLD (abbreviation )Dure moyenne du dlailogistique

191-13-14 P-fractile logistic delayFractile dordre p du dlailogistique

Section 191-14 Test Concepts

191-14-01 Test Essai 191-14-02 Compliance test Essai de conformit 191-14-03 Determination test Essai de dtermination

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IEC 191-14-04 Laboratory test Essai en laboratoire 191-14-05 Field test Essai sur site - Essai en

campagne

191-14-06 Endurance test Essai dendurance 191-14-07 Accelerated test Essai acclr

191-14-08 Step stress testEssai sous contraintechelonne

191-14-09 Screening test Essai de slection 191-14-10 Time acceleration factor Facteur dacclration temporelle

191-14-11 Failure rate acceleration factor

Facteur d'acclration du taux dedfaillance - Facteurd'acclration de la densit dedfaillance

191-14-12Failure intensity acceleration

factor

Facteur dacclration de

lintensit de dfaillance

191-14-13 Maintainability verification Vrification de la Maintenabilit

191-14-14 Maintainability demonstrationVrification exprimentale deMaintenabilit

191-14-15 Observed dataValeur observe - Donneobserve

191-14-16 Test data Donne dessai 191-14-17 Field data Donne dexploitation

191-14-18 Reference data Valeur de rfrence - Donne derfrence

Section 191-15 Design concepts

191-15-01 Redundancy Redondance ( de moyens) 191-15-02 Active redundancy Redondance active

191-15-03 Standby redundancyRedondance en attente -Redondance passive -Redondance en secours

191-15-04 Fail safeDe scurit intrinsque - Asret intgre

191-15-05 Fault tolerance Tolrant aux pannes 191-15-06 Fault masking Masquage de panne

Section 191-16 Analysis concepts

191-16-01 Prediction Prvision - Prdiction 191-16-02 Reliability model Modle de fiabilit

191-16-03

Fault modes and effects

analysisFMEA (abbreviation )

Analyse des modes de panne et

de leurs effets - AMPE(abrviation )

191-16-04Fault modes, effects andcriticality analysisFMECA (abbreviation )

Analyse des modes de panne,de leurs effets

191-16-05 Fault tree analysis Analyse par arbre de panne 191-16-06 Stress Analysis Analyse des contraintes 191-16-07 Reliability block diagram Diagramme de fiabilit 191-16-08 Fault tree Arbre de panne 191-16-09 State-transition diagram Diagramme de transition

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IEC 191-16-10 Stress model Modle de contraintes 191-16-11 Fault analysis Analyse des pannes 191-16-12 Failure analysis Analyse de dfaillance 191-16-13 Maintainability model Modle de Maintenabilit

191-16-14 Maintainability predictionPrvision de la Maintenabilit -Prdiction de la Maintenabilit

191-16-15 Maintenance tree Arbre de maintenance 191-16-16 Maintainability allocation Allocation de Maintenabilit

Section 191-17 Improvement Processes

191-17-01 Learning process ( forreliability )

Apprentissage ( en fiabilit )

191-17-02Burn in (for repairablehardware )

Rodage (dun matriel rparable)

191-17-03 Burn in ( for a non-repairableitem )

Rodage (dune entit nonrparable)

191-17-04 Reliability growth Croissance de la fiabilit 191-17-05 Reliability improvement Amlioration de la fiabilit

191-17-06Reliability & maintainabilitymanagement

Gestion de la fiabilit et de lamaintenabilit

191-17-07 Reliability & maintainabilityassuranceAssurance de la fiabilit et de lamaintenabilit

191-17-08Reliability& maintainabilitycontrol

Matrise de la fiabilit et de lamaintenabilit

191-17-09Reliability & maintainabilityprogramme

Programme de fiabilit et demaintenabilit

191-17-10Reliability & maintainabilityplan

Plan de fiabilit et demaintenabilit

191-17-11 Reliability &maintainabilityaudit

Audit de la fiabilit et de lamaintenabilit

191-17-12Reliability & maintainabilitysurveillance

Surveillance de la fiabilit et dela maintenabilit

191-17-13 Design reviewRevue de conception - Revue deprojet

Section 191-18 Measure Modifiers

191-18-01 True TRUE 191-18-02 Predicted Prvu - prdit 191-18-03 Extrapolated extrapol 191-18-04 Estimated Estim 191-18-05 Intrinsic - Inherent Intrinsque - inhrent

191-18-06 Operational Oprationnel 191-18-07 Mean ( noun & adjective ) Moyen ( adjectif )

191-18-08 P-fractile Fractile dordre p de - Quantiledordre p de - p-fractile de

p

191-18-09 Instantaneous instantan

191-18-10 Steady stateEn rgime tabli - En rgimepermanent

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IEC Section 191-19 Service related performance

191-19-01 Quality of service Qualit de service

191-19-02 Serveability performanceServiceability performance

serviabilit

191-19-03 Service accessibilityperformance

Accessibilit ( dun service)

191-19-04 Service retainabilityperformance

Continuabilit (dun service)

191-19-05 Service support performance Logistique de service

191-19-06Service operabilityperformance

Facilite dutilisation (dun service)

191-19-07 Service integrity Intgrit de service 191-19-08 Transmission performance Qualit de transmission

191-19-09 Trafficability performance Traficabilit - Capacitdcoulement du trafic

191-19-10Propagation performance(in telecommunications)

Caractristiques de propagation(en tlcommunication)

191-19-11Interruption ( of service )Break ( of service )

Interruption ( de service) -Coupure ( de service )

Section 191-20 Time concepts related to interruptions

191-20-01 Time between interruptions Temps entre interruptions 191-20-02 Interruption duration Dure dinterruption

191-20-03 Mean time betweeninterruptions

Dure moyenne entreinterruptions

191-20-04 Mean interruption duration Dure moyenne duneinterruption

191-20-05 Mean service provisioningDlai moyen de fourniture (dunservice)

191-20-06 Billing error probability Probabilit derreur de facturation

191-20-07Service user mistakeprobability

Probabilit derreur dun usager

191-20-08 Dialling mistake probabilityProbabilit derreur denumrotation

191-20-09Service user abandonmentprobability Probabilit dabandon

191-20-10 Call abandonment probabilityProbabilit dabandon ( dunetentative dappel)

191-20-11Service accessibility

Service access probabilityAccessibilit (dun service )

191-20-12 Mean service access delayDure moyenne daccs ( unservice )

191-20-13Mean access delay ( of acommunication )

Dure moyenne dtablissement(dune communication)

191-20-14P-fractile access delay(of a communication )

Fractile dordre p de la dured'tablissement (dunecommunication)

p

191-20-15 Service retainability Continuabilit ( dun service)

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IEC 191-20-16 Connection retainability( in telecommunication ) Continuabilit ( dune chane deconnexion)

Chapter 301 :General Terms On Measurements In Electricity301 :

Section 301-01 Methods of measurements

301-01-01direct (method of)measurement

(Mthode de ) mesuragedirect(e)

301-01-02Indirect (method of)measurement

(Mthode de ) mesurageindirect(e)

301-01-03Comparison (method ofmeasurement)

(Mthode de ) mesurage parcomparaison

301-01-04Substitution (method of)

measurement

(Mthode ) mesurage par

substitution

301-01-05Complementary (method of)measurement

(Mthode ) mesurage parcomplment

301-01-06Differential (method of)measurement

(Mthode de ) mesurage pardiffrentiel(le)

301-01-07 Null (method of) measurement Mthode(de mesurage) par zro

301-01-08 Beat (method of)measurementMthode(de mesurage) parbattement

301-01-09 Resonance (method of)measurement

Mthode(de mesurage) parrsonance

Section 301-02 Basic terms

301-02-01 Measuring instrument Instrument de mesurage 301-02-02 Measuring instrument appareil mesureur

301-02-03 Material measure Mesure matrialise

301-02-04 Electrical measuringinstrument

appareil mesureur lectrique

301-02-05 Electronic measuringinstrument appareil mesureur lectronique

301-02-06 Measuring equipment quipement de mesureur 301-02-07 Measuring system systme de mesurage 301-02-08 Detecting instrument appareil dtecteur

301-02-09Analogue (measuring)instrument appareil (mesureur) analogique

301-02-10 Digital (measuring) instrument appareil (mesureur) numrique

301-02-11Indicating (measuring)instrument

appareil (mesureur) indicateur

301-02-12Recording (measuring)instrument recorder appareil (mesureur) enregistreur

301-02-13 Oscilloscope oscilloscope 301-02-14 Oscillograph oscillographe

301-02-15Integrating (measuring)instrument

appareil (mesureur) intgrateur

301-02-16Measuring transducer (withelectric output)

transducteur de mesurage (sortie lectrique)

301-02-17Telemeasuring equipmenttelemetering equipment(deprecated in this sense)

quipement de tlmesure

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IEC 301-02-18 Fixed (measuring) instrument appareil (mesureur) fixe 301-02-19 Portable (measuring)

instrumentappareil (mesureur) portatif

301-02-20 Single range(measuring )instrument

appareil (mesureur) calibreunique

301-02-21 Multi- range(measuring )instrument

appareil (mesureur) calibresmultiples

301-02-22Multi- Scale(measuring )instrument

appareil (mesureur) chellesmultiples

301-02-23 Single function (measuring )instrument

appareil (mesureur) fonctionunique

301-02-24 Multi- function (measuring )instrument

appareil (mesureur) fonctionsmultiples

301-02-25 Multimeter Multimtre

Section 301-03 - General Terms Relating to the operation or thefunction

301-03-01Measuring instrument withcircuit control devices

appareil mesureur fonction decommande

301-03-02Differential measuringinstrument

appareil mesureur de diffrence

301-03-03 Summation instrument totalizer appareil totalisateur 301-03-04 Ratio-meter Logomtre 301-03-05 Quotient-meter Quotientmtre 301-03-06 XY recorder Enregistreur XY

Section 301-04- Measuring Instruments

301-04-01 Ammeter Ampremtre

301-04-02 Galvanometer Galvanomtre 301-04-03 Voltmeter Voltmtre 301-04-04 Electrometer lectromtre

301-04-05 Peak voltmeter Voltmtre de crte

301-04-06 Wattmeter/ active power meter Wattmtre

301-04-07Varmeter / reactive powermeter Varmtre

301-04-08Volt-ampere meterapparent power meter Voltampremtre

301-04-09 Ohmmeter / resistance meter Ohmmtre 301-04-10 Earth resistance meter Voltmtre

301-04-11 Insulation resistance meter Appareil mesureur de rsistanced'isolement

301-04-12 Frequency meter Frquencemtre 301-04-13 Phase meter Phasemtre

301-04-14 Power factor meterAppareil mesureur de facteur depuissance

301-04-15 Coulometer Coulombmtre 301-04-16 Ampere-hour meter Ampreheuremtre

301-04-17 Watt-hour meter(active) energy meter

wattheuremtre - Compteurd'nergie (active)

301-04-18Var-hour meterreactive energy meter

varheuremtre - Compteurd'nergie (ractive)

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IEC 301-04-19 Volt-ampere-hour meterapparent energy meter Voltampreheuremtre -Compteur d'nergie apparente

301-04-20 Flux meter Fluxmtre

301-04-21 Magnetometer Magntomtre

301-04-22 Permeameter permamtre

Section 301-05- Miscellaneous Devices

301-05-01 Reference source Source de rfrence 301-05-02 (Measurement) standard talon 301-05-03 Reference-value method Mthode talon 301-05-04 Primary standard talon primaire

301-05-05 Secondary standard talon secondaire 301-05-06 Reference standard talon secondaire 301-05-07 Working standard talon de travail 301-05-08 International standard talon international 301-05-09 National standard talon national 301-05-10 Comparison standard talon de comparaison 301-05-11 Measuring bridge pont de mesurage 301-05-12 (Measuring) potentiometer Potentiomtre de mesurage 301-05-13 Voltage divider diviseur de tension

Section 301-06 Terms Relating To Accessories

301-06-01 Accessory (for a measuringinstrument)

Accessoire (pour appareilmesureur)

301-06-02 Interchangeable accessory accessoire interchangeable 301-06-03 Accessory of limited

interchangeabilityAccessoire Interchangeabilitlimite

301-06-04 Non-interchangeableaccessory

Accessoire non interchangeable

301-06-05 Shunt Shunt (d'un appareil mesureur)

301-06-06Series resistor(series capacitor)(series inductor)

Rsistance additionnelle ( )( )

301-06-07 instrument lead cordon de mesure 301-06-08 Series inductor Inductance additionnelle 301-06-09 Instrument lead Cordon de mesure

Section 301-07 - Terms Relating To Measuring Instruments

301-07-01 Indicating device(of ameasuring instrument)Dispositif indicateur (d'uninstrument de mesurage)

301-07-02 Index (of an indicating device) Index (d'un dispositif indicateur)

301-07-03 Scale(of an analogueinstrument)

chelle (d'un appareilanalogique)

301-07-04 Dial cadran 301-07-05 Scale marking graduation 301-07-06 Scale numbering chiffraison 301-07-07 Scale length Longueur d'chelle

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IEC 301-07-08 Scale division Division (d'une chelle) 301-07-09 Length of a scale division Longueur d'une division 301-07-10 Scale interval valeur d'une division 301-07-11 Digital readout affichage numrique 301-07-12 Semi-digital readout affichage semi-numrique

301-07-13 Indication of a measuringinstrument

Indication d'un instrument demesurage

301-07-14 Recording medium support d'enregistrement 301-07-15 Recording chart support de diagramme 301-07-16 Recording enregistrement 301-07-17 Recording device Dispositif d'enregistrement

301-07-18 Constant of a measuringinstrument

Constante d'un instrument demesurage

301-07-19 Adjustment device / adjuster Dispositif d'ajustage

301-07-20 Zero scale mark Zro de l'chelle 301-07-21 Mechanical zero Zro mcanique

301-07-22 Mechanical zero adjusterDispositif d'ajustage du zromcanique

301-07-23 Electrical zero zro lectrique

301-07-24 Electrical zero adjuster Dispositif d'ajustage du zrolectrique

Section 301-08 - Terms Related To The Specification OfPerformance

301-08-01 True value(of a quantity ) valeur vraie (d'une grandeur)

301-08-02 Conventional true value(of aquantity)

valeur conventionnellement vraie(d'une grandeur)

301-08-03 Fiducial value valeur conventionnelle

301-08-04 indicated value valeur indique 301-08-05 Comparison value valeur de comparaison 301-08-06 Absolute error erreur absolue 301-08-07 Relative error erreur relative 301-08-08 Fiducial error erreur rduite conventionnelle 301-08-09 Influence quantity grandeur d'influence 301-08-10 Reference conditions conditions de rfrence 301-08-11 Intrinsic error erreur intrinsque

301-08-12Measuring rangeeffective range

tendue de mesurage

301-08-13 Span plage (de mesurage) 301-08-14 (Nominal) range calibre 301-08-15 Incremental range gamme de rglage fin

Section 301-09 - Terms Relating To Technical Characteristics

301-09-01 Preliminary adjustments ajustage prliminaire 301-09-02 Readjustments rajustage 301-09-03 Calibration talonnage 301-09-04 Calibrating quantity grandeur d'talonnage 301-09-05 Warm-up time Dure de prchauffage

301-09-06 Pre-conditioning timedure de mise en circuitpralable

301-09-07 Overshoot(for a step change )Dpassement (pour une rponse un chelon)

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IEC 301-09-08 Step response time Temps de rponse l'chelon

Section 301-10 Performance

301-10-01 Accuracy (of a measuringinstrument)

Prcision (d'un instrument demesurage)

301-10-02 Linearity (of a measuringinstrument)

linarit (d'un instrument demesurage)

301-10-03 Resolution rsolution

301-10-04Repeatability (ofmeasurement)

rptabilit (des mesurages)

301-10-05Reproducibility (ofmeasurements )

reproductibilit (des mesurages)

Chapter 302: Electrical Measurements

Section 302-01 - General Terms Relating To The Principle OfOperation

302-01-01 Electrostatic instrument appareil lectrostatique

302-01-02Permanent-magnet moving-coil instrument appareil magntolectrique

302-01-03 Moving-magnet instrument appareil aimant mobile 302-01-04 Moving-iron instrument appareil ferromagntique

302-01-05 Electrodynamic instrument appareil lectrodynamique

302-01-06 Ferrodynamic instrument appareil ferrodynamique 302-01-07 Induction instrument appareil induction

302-01-08Thermal instrumentElectrothermal instrument

(USA)

appareil thermique

302-01-09 Bimetallic instrument appareil bimtallique 302-01-10 Thermocouple instrument Appareil thermocouple 302-01-11 Rectifier instrument appareil redresseur

302-01-12 Vibrating reed instrument appareil lames vibrantes

Section 302-02 : General Terms Relating To Constructional OrOperational Details

302-02-01 Direct acting instrument appareil action directe

302-02-02 Indirect acting instrument appareil action indirecte

302-02-03 Pointer instrument appareil aiguille mobile 302-02-04 Instrument with optical index appareil index lumineux

302-02-05 Moving-scale instrument Appareil chelle mobile 302-02-06 Shadow column instrument appareil colonne d'ombre

302-02-07 Chart driving mechanismdispositif d'entranement dusupport d'enregistrement

302-02-08 Strip chart recorder Enregistreur bande droulante 302-02-09 Drum recorder Enregistreur tambour 302-02-10 Disc recorder Enregistreur disque 302-02-11 Pen recorder Enregistreur plume 302-02-12 Stylus recorder Enregistreur style 302-02-13 Spot recorder Enregistreur spot

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IEC 302-02-14 Thermal recorder Enregistreur style chauffant 302-02-15 Jet recorder Enregistreur jet d'encre 302-02-16 Printing recorder Enregistreur imprimeur 302-02-17 Continuous line recorder Enregistreur trac continu 302-02-18 Dotted line recorder Enregistreur par points 302-02-19 Event recorder Enregistreur d'vnements

302-02-20 Instrument with suppressedzero

appareil suppression de zro

302-02-21 Expanded scale instrument appareil chelle dilate 302-02-22 Astatic measuring instrument appareil astatique 302-02-23 Instrument with locking device appareil blocage d'quipage 302-02-24 Instrument with contacts appareil contacts

Section 302-03 - Detecting And Indicating Instruments

302-03-01 Polarity indicator Indicateur de polarit 302-03-02 Phase sequence indicator Indicateur d'ordre des phases 302-03-03 Synchronoscope synchronoscope

302-03-04 Insulation fault detectinginstrument

Dtecteur de dfaut d'isolement

302-03-05 Earth leakage detector Dtecteur de courant de fuite laterre

302-03-06 Live voltage detector Dtecteur de tension 302-03-07 Measuring spark gap Spintermtre 302-03-08 Electroscope lectroscope 302-03-09 Quadrature electrometer lectromtre quadrants

302-03-10 Magnetic detector for lightningcurrents Magnetic link

Dtecteur magntique decourant de foudre

302-03-11 Moving-coil galvanometer Galvanomtre magntolectrique 302-03-12 Ballistic galvanometer Galvanomtre balistique 302-03-13 String galvanometer Galvanomtre corde

302-03-14Difference galvanometerDifferential galvanometer Galvanomtre de diffrence

302-03-15 Vibration galvanometer Galvanomtre rsonance

Section 302-04 - Electric Energy Meters

302-04-01 Mercury motor meter compteur mercure 302-04-02 Electrodynamic meter compteur lectrodynamique 302-04-03 Induction meter compteur induction 302-04-04 Excess energy meter Compteur de dpassement

302-04-05Meter with maximum demandindicator

compteur indicateur demaximum

302-04-06 Multi-rate meter compteur tarifs multiples 302-04-07 Prepayment meter compteur prpaiement

Section 302-05 - Bridges

302-05-01 Wheastone bridge Pont de Wheatstone

302-05-02Kelvin (double)bridgeThomson (double)bridge

Pont de (double) Kelvin - Pont de(double) Thomson

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IEC 302-05-03 Transformer bridge Pont transformateur

Section 302-06 - Constructional Elements

302-06-01Measuring element (of anelectromechanical measuringinstrument )

lment de mesure (d'unappareil mesureur fonctionnementlectromcanique)

302-06-02 Moving element quipage mobile

302-06-03Register (of an integratinginstrument)

Dispositif indicateur (d'unappareil intgrateur)

302-06-04Current circuit (of a measuringinstrument )

Circuit de courant (d'un appareilmesureur)

302-06-05 Voltage circuit (of a measuringinstrument)Circuit de tension (d'un appareilmesureur)

Section 302-07 - Terms Relating To Technical Characteristics

302-07-01Deflecting torqueDriving torque

couple moteur

302-07-02 Restoring torque couple antagoniste

302-07-03 Braking torque (of anintegrating instrument) couple de freinage

302-07-04 Damping torque couple d'amortissement

302-07-05Critical resistance (of apermanent- magnet moving-coil measuring element )

rsistance critique (d'un lmentde mesure magntolectrique)

302-07-06 Circuit insulation voltagetension nominale d'isolementd'un circuit

302-07-07 Insulation test voltage tension d'essai dilectrique Section 302-08 - Terms Relating To The Performance

302-08-01 Reference value Valeur de rfrence 302-08-02 Reference range domaine de rfrence

302-08-03Variation (due to influencequantity )

variation (due une grandeurd'influence)

302-08-04 Nominal range of use domaine nominal d'utilisation 302-08-05 Limiting values for operation domaine de fonctionnement 302-08-06 Limiting values for storage domaine de stockage 302-08-07 Limiting values for transport domaine de transport 302-08-08 Accuracy class Classe de prcision 302-08-09 Class index indice de classe

Chapter 303: Electronic Measuring Instruments

Section 303-01 - General Terms

303-01-01 Measuring chain chane de mesurage 303-01-02 Load characteristic Caractristique de charge 303-01-03 Stabilization stabilisation 303-01-04 Attenuation affaiblissement

303-01-05Gain (of a measuringinstrument)

gain (d'un instrument demesurage)

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IEC Section 303-02- Inputs And Outputs

303-02-01 Asymmetrical input (output) Entre (sortie) asymtrique 303-02-02 Asymmetrical input (output) Entre (sortie) asymtrique

303-02-03Symmetrical(balanced)input(output)

Entre (sortie) symtrique

303-02-04Symmetrical(balanced)input(output)

Entre (sortie) symtrique

303-02-05 Differential input circuit d'entre diffrentiel

303-02-06Earthed input(output)Grounded input (ouput)Single-ended input(output)

circuit d'entre (de sortie) laterre de mesure

303-02-07Earthed input(output)Grounded input(ouput)(USA)

Single-ended input(output)

circuit d'entre (de sortie) la

terre de mesure

303-02-08 Floating input(output) circuit d'entre (de sortie) flottant 303-02-09 Floating input(output) circuit d'entre (de sortie) flottant

303-02-10Input and output with isolatedcommon point

circuit d'entre et circuit de sortie point commun isol

303-02-11 Common mode voltage tension de mode commun 303-02-12 Series mode voltage tension de mode srie

303-02-13 Input (output)impedance Impdance du circuit d'entre (desortie)

303-02-14 Input (output)impedance Impdance du circuit de sortie

303-02-15Impedance to earthImpedance to ground(USA)

Impdance par rapport la terre

303-02-16Common mode rejection ratio(abbreviation:CMRR)

facteur de rjection de modecommun

303-02-17 Series mode rejection ratio(abbreviation:SMRR)facteur de rjection de modesrie

Section 303-03-Electronic Measuring Instruments and theirComponents Parts

303-03-01Digital voltmeter(ammeter)(ohmeter)

voltmtre numrique

303-03-02Digital voltmeter(ammeter)(ohmeter)

ampremtre numrique

303-03-03Digital voltmeter(ammeter)(ohmeter) ohmmtre numrique

303-03-04 (electron beam) oscilloscope oscilloscope (cathodique) 303-03-05 Measuring oscilloscope Oscilloscope de mesurage 303-03-06 Observation oscilloscope Oscilloscope d'observation

303-03-07 Storage oscilloscope Oscilloscope mmoire 303-03-08 Sampling oscilloscope Oscilloscope chantillonnage 303-03-09 Spectrum analyser Analyseur de spectre 303-03-10 Wave analyser Analyseur d'onde 303-03-11 Stabilized supply apparatus alimentation stabilise

303-03-12Signal generator(for measuringpurposes)

gnrateur de signaux ( usagede mesure)

303-03-13Amplitude modulated signalgenerator

gnrateur de signaux modulsen amplitude

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IEC 303-03-14 Frequency modulated signalgenerator gnrateur de signaux modulsen frquence 303-03-15 Probe sonde 303-03-16 Plug-in unit tiroir 303-03-17 Attenuator affaiblisseur 303-03-18 Comparator comparateur

Section 303-04 Terms Concerning Oscilloscopes

303-04-01 Deflection coefficient coefficient de dviation 303-04-02 Time base base de temps 303-04-03 Sweep balayage 303-04-04 Free-running time base base de temps relaxe 303-04-05 Triggered time base base de temps dclenche 303-04-06 Trigger hold off blocage du dclenchement

303-04-07 Single sweep operation Fonctionnement en balayageunique

303-04-08 Time coefficient coefficient de balayage 303-04-09 Sweep rate vitesse de balayage 303-04-10 Sweep expansion expansion du balayage 303-04-11 Synchronized sweep balayage (relax) synchronis 303-04-12 Triggered sweep balayage dclench

303-04-13Internaltriggering[synchronization]

dclenchement [synchronisation]intrieur[e]

303-04-14Internaltriggering[synchronization]

303-04-15Externaltriggering[synchronization]

dclenchement [synchronisation]extrieur[e]

303-04-16 Externaltriggering[synchronization] dclenchement [synchronisation]extrieur[e] 303-04-17 Time base jitter erratisme de la base de temps

Section 303-05 - Terms Concerning Stabilized Supply Apparatus

303-05-01 Closed loop stabilizationfonctionnement en boucleferme

303-05-02 Open loop stabilizationfonctionnement en boucleouverte

303-05-03 Slave operation fonctionnement en esclave

303-05-04 Slave tracking operation fonctionnement en esclavesuiveur

303-05-05 Parallel operation fonctionnement en parallle 303-05-06 Series operation fonctionnement en srie

303-05-07 Stabilized load characteristic caractristique de chargestabilise

303-05-08Crossover of loadcharacteristic

Transition de caractristique decharge

303-05-09 Constant voltage /constantcurrent crossover

Transition de fonctionnementtension constante/ courantconstant

Section 303-06 - Terms Concerning Signal Generators

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IEC 303-06-01 Amplitude modulation modulation d'amplitude 303-06-02 Frequency modulation modulation frquence 303-06-03 Phase modulation modulation de phase 303-06-04 Amplitude modulation factor Taux de modulation d'amplitude

303-06-05Envelope of an amplitudemodulated signal

enveloppe d'un signal modul enamplitude

303-06-06Amplitude modulationdistortion

Distorsion de modulationd'amplitude

303-06-07 (Absolute) frequency deviationexcursion (absolue) defrquence

303-06-08Frequency modulationdistortion

Distorsion de modulation defrquence

303-06-09 Carrier frequency shiftdcalage de la frquence del'onde porteuse

303-06-10 Frequency range gamme de frquence 303-06-11 Frequency band Sous-gamme de frquence 303-06-12 Band overlap recouvrement 303-06-13 Matched output voltage tension de sortie adapte

303-06-14Source e.m.f.Open circuit voltage f..m. de la source

303-06-15 Maximum output power puissance de sortie maximale

Section 303-07 - Terms Concerning Digital Instruments

303-07-01 Analogue-to-digital conversion Conversion analogique-numrique

303-07-02 Digital to-Analogue conversion Conversion numrique-analogique

303-07-03 Scaling(for analogue-to-digitalconversion)

mise l'chelle (pour laConversion analogique-numrique)

303-07-04 Linear conversion conversion linaire 303-07-05 Non-linear conversion conversion non linaire 303-07-06 Conversion rate cadence de conversion 303-07-07 (Total)conversion time temps de conversion (total) 303-07-08 Readout time temps de lecture 303-07-09 Overflow dpassement 303-07-10 Output state condition de sortie 303-07-11 Representation unit unit de reprsentation 303-07-12 Code converter convertisseur de code

Section 303-08 - Performance

303-08-01 Performance qualits de fonctionnement 303-08-02 Influence coefficient coefficient d'influence

303-08-03Stability (of an electronicmeasuring instrument )

stabilit (d'un appareil demesurage lectronique)

303-08-04 Stability error erreur de stabilit 303-08-05 Drift drive

303-08-06 Periodic and/or randomdeviation (PARD)

variations priodiques et/ouerratiques

303-08-07 Ripple ondulation 303-08-08 Hum ronflement

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IEC 303-08-09 Noise bruit 303-08-10 Fluctuations fluctuations

303-08-11Sensitivity (of a measuringinstrument )

sensibilit (d'un appareilmesureur)

303-08-12 Reliability fiabilit

Chapter 601: Generation,Transmission And Distribution OfElectricity - General

SECTION 601-01 Fundamental terms

601-01-01Electrical power system /Electricity supply system (in abroad sense)

Rseau dnergie lectrique(sens large)

601-01-02Electrical power system /

Electrical power network

Rseau dnergie lectrique

(sens restreint)

601-01-03Alternating current systema.c.system

Rseau tension alternative

601-01-04Direct current systemd.c.system

Rseau tension continue

601-01-05 Power frequency Frquence industrielle

601-01-06 Generation of electricity Production dnergie lectrique

601-01-07 Conversion of electricity Conversion dnergie lectrique

601-01-08 Transformation of electricity Transformation dnergielectrique

601-01-09 Transmission of electricity Transport dnergie lectrique 601-01-10 Distribution of electricity Distribution dnergie lectrique

601-01-11Interconnection (of power

systems)Interconnexion (de rseaux) (

(

601-01-12 Interconnected systems Rseaux Interconnects 601-01-13 Asynchronous link Liaison asynchrone 601-01-14 Short-circuit power court-circuit de puissance 601-01-15 Load in a system Charge dans un rseau 601-01-16 Peak load Pointe de charge

601-01-17 Load curvecourbe de charge( diagramme decharge)

601-01-18 Load duration curvediagramme des charge classes- monotone des charges

601-01-19 Active energy nergie active 601-01-20 Reactive energy nergie ractive 601-01-21 Nominal voltage of a system Tension nominale d'un rseau

601-01-22

Operating voltage( in a

system)

Tension de service (dans un

rseau) 601-01-23

Highest (lowest) voltage of asystem

Tension la plus leve (basse)d'un rseau

601-01-24 Highest (lowest) voltage of asystem

Tension la plus leve (basse)d'un rseau

601-01-25 Voltage level Niveau de tension 601-01-26 Low voltage (abbreviation:LV) Basse tension (BT) 601-01-27 High voltage (abbreviation:HV) Haute tension (HT)

601-01-28Medium voltage (abbreviation:MV)

Moyenne tension (MT)

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IEC 601-01-29 Phase to phase voltage / Lineto line voltage (USA) Tension entre phases (tensioncompose d' un rseau triphas)

601-01-30Phase to neutral voltage / Lineto neutral voltage (USA)

Tension phase-neutre (tensionsimple)

601-01-31Phase to earth voltage / Lineto ground voltage (USA) Tension phase-terre

601-01-32Neutral point displacementvoltage

Tension de dplacement du pointneutre

601-01-33 Bulk power system rseau de production- transport

Section 601-02 System configuration

601-02-01 System diagram Schma dun rseau

601-02-02 System operational diagram

Schma dexploitation dun

rseau 601-02-03 Three-phase system diagram Schma triphas dun rseau

601-02-04 Single-line diagram Schma unifilaire dun rseau

601-02-05 System pattern Structure lmentaire dunrseau

601-02-06 System configuration Configuration dun rseau -architecture dun rseau

601-02-07 Link in a system Liaison dans un rseau 601-02-08 Feeder Artre

601-02-09Single feederRadial feeder Ligne (en antenne)

601-02-10 Branch line / Spur Ligne (en drivation) 601-02-11 Tapped line / Teed line

601-02-12 Supply service / Lineconnection

Branchement (deconsommateur)

601-02-13 Ring feeder / Loop(deprecated in this sense)

Boucle (maille)

601-02-14 Mesh(of a system ) Maille (dans un rseau) 601-02-15 Radial system rseau radial 601-02-16 Tree'd system Rseau arborescent 601-02-17 Meshed system Rseau maill 601-02-18 Single supply Alimentation simple 601-02-19 Duplicate supply Alimentation double

601-02-20 Stand-by supplyAlimentation de rserve(Alimentation de remplacement)

601-02-21 Tapped (tee off) substation Poste en drivation (Poste enpiquage)

601-02-22Neutral point in a polyphasesystem

Point neutre dans un rseaupolyphas

601-02-23 Neutral point connection Rgime du neutre 601-02-24 Isolated neutral system Rseau neutre isol

601-02-25 Solidly earthed (neutral)system

Rseau a neutre directement laterre

601-02-26 Impedance earthed (neutral)system

Rseau neutre nondirectement la terre

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IEC 602-02-27 Resonant earthed (neutral)system /arc-suppression-coil-

earth (neutral) systemRseau compens par bobinedextinction

601-02-28Circuit (in electric powersystem)

Circuit (dans un rseau d'nergielectrique)

601-02-29 Line tap / Tee point point de piquage 601-02-30 Line section Section de ligne 601-02-31 Line segment segment de ligne 601-02-32 Interchange point point en d'change 601-02-33 Delivery point Point de livraison

Section 601-03 Equipment

601-03-01Power station / Electricalgenerating station Centrale lectrique

601-03-02 Substation(of a power system) Poste (dun rseau lectrique) 601-03-03 Electric line Ligne lectrique 601-03-04 Overhead line Ligne arienne 601-03-05 Underground cable Ligne souterraine

601-03-06Gas insulated line / Gasinsulated circuit (deprecated) /GIC (deprecated)

Ligne isolation gazeuse

601-03-07 Overhead system Rseau arien 601-03-08 Underground system Rseau souterraine 601-03-09 Phase Phase 601-03-10 Neutral neutre 601-03-11 Pole (of an equipment) Pole (d'un appareil)

601-03-12 Pole(of a d.c. system)Pole (d'un Rseau tensioncontinue)

Section 601-04 High voltage d.c systems

601-04-01High-voltage d.c. link / HVDClink Liaison haute tension continue

601-04-02 Monopolar d.c.linkLiaison tension continueunipolaire

601-04-03 Bipolar d.c.linkLiaison tension continuebipolaire

Chapter 602: Generation,Transmission And Distribution OfElectricity

Section 602-01 - Power Stations

602-01-01 Power station Centrale lectrique 602-01-02 Generation system Parc de production 602-01-03 Hydroelectric installation Amnagement hydrolectrique 602-01-04 Hydroelectric power station Centrale hydrolectrique

602-01-05 Run-of-river power station Centrale au fil de l'eau

602-01-06 Pondage power station Centrale d'cluse 602-01-07 Reservoir power station Centrale de lac 602-01-08 Tidal power station Centrale marmotrice 602-01-09 Pumped storage Accumulation par pompage

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IEC 602-01-10 Pumped storage power station Centrale de pompage 602-01-11 Gross head of a hydroelectric

power stationChute brute d'une Centralehydrolectricit

602-01-12 Net head of a hydroelectricpower station

Chute nette d'une Centralehydrolectrique

602-01-13 Useful water capacity of areservoir

Capacit utile en eau d'unrservoir

602-01-14 Energy capability of a reservoirCapacit en nergie d'unrservoir

602-01-15 Useful water reserve of areservoir

rserve utile en eau d'unrservoir

602-01-16 Energy reserve of a reservoir rserve en nergie lectriqued'un rservoir

602-01-17 Reservoir fullness factor Facteur de remplissage en

nergie lectrique

602-01-18 Water cumulative flows Apports hydrauliques

602-01-19Energy capability (of one ormore hydroelectricinstallations)

Productibilit

602-01-20Mean energy capabillity (ofone or more hydroelectricinstallations)

Productibilit moyenne

602-01-21Energy capability factor (of oneor more hydroelectricinstallations)

Indice de Productibilit

602-01-22 Thermal power station Centrale thermolectrique

602-01-23Conventional thermal power

station

Centrale thermique classique

602-01-24 Combined heat and powerProduction combine de chaleuret d'nergie lectrique

602-01-25 Compressed air storage Accumulation dair comprim 602-01-26 Compressed air power station Centrale par Accumulation dair

602-01-27 Nuclear (thermal) powerstation

Centrale (thermique) nuclaire

602-01-28 Geothermal power station Centrale gothermique 602-01-29 Solar power station Centrale solaire 602-01-30 Wind power station Centrale olienne

602-01-31Magneto-hydro-dynamicthermal power stationMHD power station

Centrale magnto-hydrodynamique

602-01-32Ocean or sea temperature

gradient Power station

Centrale d'nergie thermique des

mers

602-01-33 Fuel cell Pile combustible

Section 602-02 - Installation and Generation Equipment

602-02-01 Generating set Groupe gnrateur 602-02-02 Motor set Groupe moteur 602-02-03 Hydroelectric set Groupe hydrolectricit 602-02-04 Reversible hydroelectric set Groupe rversible 602-02-05 Dam barrage

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IEC 602-02-06 Gravity dam Barrage - poids 602-02-07 Arch dam Barrage - vote 602-02-08 earth dam Barrage en terre 602-02-09 Penstock Conduite force

602-02-10Surge tankSurge shaft Chemine d'quilibre

602-02-11 Impulse type turbine Turbine action

602-02-12 Reaction type turbine Turbine raction ) (

602-02-13 Pelton turbine Turbine Pelton 602-02-14 Francis turbine Turbine Francis 602-02-15 Kaplan turbine Turbine Kaplan 602-02-16 bulb-type unit Groupe bulbe 602-02-17 Propeller turbine Turbine hlice

602-02-18 Tail water reservoir Bassin de compensation 602-02-19 Thermal power unit

Tranche dune centrale(lectrique) thermique

602-02-20 Thermal generating set Groupe thermo-lectrique 602-02-21 Turbo-generateur set Groupe Turbo-alternateur 602-02-22 Internal combustion set Groupe combustion interne 602-02-23 Gas turbine set Groupe turbine a gaz 602-02-24 Condensing set Groupe condensation

602-02-25 Condensing set with reheatGroupe condensation avecresurchauffe

602-02-26 Back-pressure set Groupe contre-pression 602-02-27 Main generator Gnrateur principal 602-02-28 Auxiliary generator Gnrateur auxiliaire 602-02-29 Unit auxiliaries Auxiliaires de tranche

602-02-30 Common auxiliaries Auxiliaires gnraux

602-02-31 Unit generator transformerSet transformer

Transformateur (principal) detranche transformateur degroupe

602-02-32Auxiliary transformer of a unit(of a power station)

Transformateur dauxiliairesdune tranche (dune centrale)

602-02-33Auxiliary transformer of a unit(of a power station)

Transformateur auxiliaires dunetranche (dune centrale)

602-02-34 Boiler Chaudire gnrateur de vapeur 602-02-35 Natural circulation boiler Chaudire circulation naturelle

602-02-36 Once-through boiler Chaudire circulation force Chaudire monotubulaire

602-02-37 Controlled circulation boiler Chaudire circulation contrle

602-02-38Pulverised fuel boiler (gaseousfuel boiler) (liquid fuel boiler)

Chaudire combustiblepulvris(gazeux)(liquide)

602-02-39Pulverised fuel boiler (gaseousfuel boiler) (liquid fuel boiler)

Chaudire combustiblepulvris(gazeux)(liquide)

602-02-40Pulverised fuel boiler (gaseousfuel boiler) (liquid fuel boiler)

Chaudire combustiblepulvris(gazeux)(liquide)

602-02-41 Bin-and-feeder system boiler Chaudire chauffe indirecte

602-02-42 Directly-fired boiler Chaudire chauffe directe 602-02-43 Fluidised-bed boiler Chaudire lits fluidiss 602-02-44 Superheated steam Vapeur surchauffe

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IEC 602-02-45 Superheater surchauffeur 602-02-46 Reheater resurchauffeur 602-02-47 Steam turbine Turbine vapeur 602-02-48 Condensing steam turbine Turbine vapeur condensation

602-02-49Condensing steam turbine withbleeding

Turbine vapeur condensationavec soutirage (prlvement)

602-02-50 Cylinder (of a steam turbine) Corps (dune turbine vapeur) 602-02-51 Line of shafting Ligne darbres 602-02-52 Tandem-compound set Groupe Tandemcompound 602-02-53 Cross-compound set Groupe Cross- compound 602-02-54 Speed governor Rgulateur de vitesse 602-02-55 Overspeed device Protection de survitesse 602-02-56 Condenser condenseur

602-02-57 Cooling towerRrigrant atmosphrique tour

de refroidissement (dconseill)

602-02-58 Dry cooling tower Rfrigrant atmosphrique sec

602-02-59 Wet cooling towerRfrigrant atmosphriquehumide

602-02-60 Forced draught cooling towerRfrigrant atmosphrique tirage forc

Section 602-03 Operation of power stations

602-03-01Cold start-up of a thermalgenerating set

Dmarrage froid d'un groupethermo-lectrique

602-03-02Hot start-up of a thermalgenerating set

Dmarrage chaud d'un groupethermo-lectrique

602-03-03Minimum safe output of theunit

Marche au minimum techniqued'une tranche

602-03-04 Gross output of a set Puissance produite brute par ungroupe

602-03-05Gross output of a powerstation

Puissance produite brute par unecentrale

602-03-06 Net output of a setPuissance produite nette par ungroupe

602-03-07 Net output of a power stationPuissance produite nette par unecentrale

602-03-08Maximum capacity of a unit (apower station)

Puissance maximale possible d'une tranche (centrale)

602-03-09Maximum capacity of a unit (apower station)

Puissance maximale possible d'une tranche (centrale)

602-03-10 Overload capacity Puissance en surcharge

602-03-11 Available capacity of a unit (ofa power station) Puissance disponible d'unetranche ( d'une centrale)

602-03-12 Available capacity of a unit (ofa power station)

Puissance disponible d' unetranche ( d'une centrale )

602-03-13 Power demand from thesystem

Puissance appele par le rseau

602-03-14 Reserve power of a system Puissance de rserve dunrseau

602-03-15 Spinning reserve of a system rserve tournante dun rseau 602-03-16 Hot stand-by rserve chaude

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IEC 602-03-17 Cold reserve Rserve froide 602-03-18 Unavoidable energy nergie fatale

602-03-19Gross (net)average heat rateof a unit

Consommation spcifiquemoyenne brute (nette) de chaleurdune tranche

602-03-20Gross (net)average heat rateof a unit

Consommation spcifiquemoyenne brute (nette) de chaleurdune tranche

602-03-21Gross (net) thermal efficiencyof a unit

Rendement thermique brut (net)dune tranche

602-03-22Gross (net) thermal efficiencyof a unit

Rendement thermique brut (net)dune tranche

602-03-23 Economical load of a unitCharge conomique dunetranche

602-03-24 Load factor of a unit Facteur de Charge dune tranche

602-03-25Utilisation period at maximumcapacity of one unit(moreunits)

Dure d'utilisation de lapuissance maximale possibled'une tranche (d'un ensemble detranches)

602-03-26Utilisation period at maximumcapacity of one unit (moreunits)

Dure d'utilisation de lapuissance maximale possibled'une tranche (d'un ensemble detranches)

602-03-27Utilisation factor of themaximum capacity of a unit

Facteur d'utilisation de lapuissance maximale possibled'une tranche

602-03-28 Isolation of a unit Isolation d'une tranche

Chapter 603: Generation,Transmission And Distribution OfElectricity - Planning And Management

Section 603-01 Power system planning 603-01-01 Power system planning planification de rseau 603-01-02 Load density densit de charge 603-01-03 Load centre centre de gravit de la charge 603-01-04 Load forecast prvision de charge 603-01-05 Generating mix forecast prvision du parc de production

603-01-06 Transmission capacity of a link capacit de transport duneliaison

603-01-07 Short-circuit current capability courant de court-circuit maximaladmissible

Section 603-02 Network Calculation

603-02-01 Network calculation calcul de rseau 603-02-02 System state variables variables dtat ( dun rseau )

603-02-03System parameters;systemconstants

paramtres dun rseau;constantes dun rseau

603-02-04 Network topology topologie dun rseau

603-02-05Topological diagram of anetwork schma topologique dun rseau

603-02-06 Steady state of a system rgime tabli dun rseau 603-02-07 Transient state of a system rgime transitoire dun rseau

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IEC 603-02-08 Load flow calculation calcul de flux de puissance 603-02-09 State estimation estimation d'tat 603-02-10 Short-circuit calculation calcul de court- circuit 603-02-11 Equivalent network rseau quivalent

603-02-12Network conversion; networktransformation transformation dun rseau

603-02-13Star-polygon conversion;star-polygon transformation transformation toile- polygone

603-02-14Delta-Wye conversion;delta-star transformation transformation triangle-toile

603-02-15 Active network rseau actif 603-02-16 Passive network rseau passif 603-02-17 Passive equivalent network rseau quivalent passif

603-02-18 Balanced state of a polyphasenetwork rgime quilibre dun rseaupolyphas

603-02-19 Unbalanced state of apolyphase network

rgime dsquilibre dun rseaupolyphas

603-02-20 Series impedance;longitudinalimpedance

impdance srie; impdancelongitudinale

603-02-21 Shunt admittanceadmittance en drivation;admittance transversale

603-02-22 Fault impedance impdance de dfaut

603-02-23 Surge impedance of a line Impdance donde dune ligne

603-02-24 Natural load of a linePuissance naturelle dune ligne;puissance caractristique duneligne

603-02-25 Fault current Courant de dfaut 603-02-26 Short-circuit current Courant de court-circuit 603-02-27 Current in the fault Courant dans le dfaut 603-02-28 Current in the short circuit Courant dans le court-circuit 603-02-29 Reference node Noeud de rfrence 603-02-30 Infinite bus noeud puissance infinie 603-02-31 Balancing bus noeud bilan 603-02-32 Slack bus noeud bilan puissance infinie

603-02-33 Load bus;PQ busnoeud de consommation; noeudPQ

603-02-34 Voltage controlled busnoeud tension contrle;noeud PV

603-02-35 Passive bus noeud passif 603-02-36 Incidence matrix matrice dincidence

603-02-37 Bus admittance matrix; Y busmatrixmatrice des admittancesnodales; matrice desadmittances en court-circuit

603-02-38 Bus impedance matrix; Z busmatrix

matrice des impdancesnodales; matrice desimpdances vide

603-02-39 Mesh impedance matrixmatrice des impdances demaille

603-02-40 Redundancy factor facteur de redondance ()

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IEC Section 603-03 Power System Stability

603-03-01 Power system stability stabilit dun rseau

603-03-02Steady state stability of apower system stabilit statique dun rseau

603-03-03Transient stability of a powersystem stabilit transitoire dun rseau

603-03-04Conditional stability of a powersystem

stabilit conditionnelle dunrseau

603-03-05Inherent stability of a powersystem

stabilit intrinsque dun rseau

603-03-06 Internal angle of an alternator angle interne dun alternateur

603-03-07

Angle of deviation between

two e.m.f.'s cart angulaire entre deux f.e.m.

603-03-08 Swing curve courbe d'volution 603-03-09 Load stability stabilit dune charge

603-03-10Stability limit of a system statevariable

limite de stabilit pour unevariable dtat

603-03-11Stability margin of a systemstate variable

marge de stabilit dune variabled'tat

603-03-12 Stability zone domaine de stabilit

603-03-13Synchronous operation of amachine

marche synchrone dunemachine

603-03-14 Synchronous operation of asystem

marche synchrone dun rseau

603-03-15 Asynchronous operation of asynchronous machinemarche asynchrone dunemachine synchrone

603-03-16 Out-of-step operation marche hors synchronisme

603-03-17 Hunting of interconnectedsynchronous machines

pompage de machinessynchrones interconnectes

603-03-18 Synchronization of twosystems

synchronisation de deux rseaux

603-03-19 Self-synchronization autosynchronisation 603-03-20 Synchronism restoration reprise de synchronisme

603-03-21 Power system instabilityInstabilit dun rseau dnergielectrique

603-03-22Steady state instability (of apower system)

Instabilit statique (dun rseaudnergie lectrique)Instabilit en petits mouvements(dun rseau dnergielectrique)

603-03-23Transient instability (of apower system)

Instabilit transitoire(dun rseau dnergielectrique)Instabilit en grandsmouvements(dun rseau dnergielectrique)

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IEC

603-03-24

Oscillatory instability (of apower system)dynamic instability (of a powersystem)

Instabilit oscillatoire(dun rseau dnergielectrique)Instabilit dynamique(dun rseau dnergielectrique)

Section 603-04 Power system control

603-04-01 Power system management conduite du rseau 603-04-02 Generation schedule programme de production 603-04-03 System demand control

603-04-04 Primary controlrglage primaire (de vitesse desgroupes de production)

603-04-05 Secondary control

rglage secondaire (de

puissance active dun rseau) 603-04-06 Power/frequency control rglage frquence-puissance 603-04-07 Adaptive control rglage adaptatif

603-04-08 Droop of a set statisme dun groupe

603-04-09 Droop of a system statisme dun rseau

603-04-10 Regulating energy of a system;power/frequency characteristic

nergie rglante dun rseau

603-04-11 Controlling power range puissance rglante 603-04-12 Synchronous time temps synchrone 603-04-13 Deviation of synchronous time cart de temps synchrone

603-04-14 Steady-state loadcharacteristiccaractristique statique dunecharge

603-04-15 Transient load characteristic caractristique transitoire dunecharge

603-04-16Power-regulation coefficient ofload

coefficient dautorgulation dunecharge

603-04-17 Scheduled operation marche sur programme (dungroupe gnrateur)

603-04-18 (Secondary)power controloperation

marche en rglage (secondaire) -(dun groupe gnrateur)

603-04-19 Control range bande de rglage (dun groupegnrateur)

603-04-20 Base load set groupe de base

603-04-21 Controllable set groupe modulable - groupe moyenne utilisation

603-04-22 Peak load set groupe de pointe 603-04-23 Voltage control rglage de tension 603-04-24 Voltage map plan de tension 603-04-25 In-phase (voltage)control rglage (de tension) en phase

603-04-26 Quadrature(voltage)control rglage (de tension) enquadrature

603-04-27 Reactive-power voltage control rglage de tension par puissanceractive

603-04-28 Reactive power compensation compensation d'nergie ractive 603-04-29 Series compensation compensation en srie

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IEC 603-04-30 Shunt compensation compensation shunt 603-04-31 Islanding / network splitting lotage (dun rseau) 603-04-32 Load shedding dlestage (de consommation) 603-04-33 Isolated operation marche en lot 603-04-34 Separate network operation marche en rseau spar 603-04-35 Parallel operation marche en parallle 603-04-36 Interconnected operation marche en interconnexion

603-04-37Ring operation of a part of anetwork

marche en boucle dun partiedun rseau

603-04-38Radial operation (of a part of anetwork)

Marche en antenne (dun partiedun rseau)

603-04-39 Ring closing bouclage 603-04-40 Ring opening dbouclage 603-04-41 Interruptible load charge interruptible

603-04-42 Controllable load charge modulable 603-04-43 Loss of load perte de charge 603-04-44 Power shortfall dfaillance en puissance 603-04-45 Energy shortfall dfaillance en nergie 603-04-46 Island (of a power system)

Section 603-05 Power system reliability

603-05-01 Reliability of an item fiabilit dun dispositif 603-05-02 Service reliability fiabilit de lalimentation 603-05-03 Service security scurit dalimentation 603-05-04 Availability disponibilit 603-05-05 Outage;unavailability indisponibilit 603-05-06 Failure dfaillance

603-05-07 Planned outage;scheduledoutage indisponibilit programme

603-05-08 Forced outageindisponibilit fortuite;indisponibilit sur avarie

603-05-09 Availability factor taux de disponibilit (en dure) 603-05-10 Unavailability factor taux d'indisponibilit (en dure) 603-05-11 Interruption of supply interruption de fourniture 603-05-12 Primary failure dfaillance primaire 603-05-13 Secondary failure dfaillance secondaire

603-05-14 Common mode failure dfaillance vnementsmultiples

603-05-15 Operating duration dure de fonctionnement 603-05-16 Stand-by duration dure de disponibilit larrt 603-05-17 Up duration dure de disponibilit

603-05-18 Down duration;outage duration dure dindisponibilit

603-05-19Planned-outageduration;scheduled-outageduration

dure d'indisponibilitprogramme

603-05-20 Maintenance duration dure dentretien

603-05-21 Forced-outage duration dure indisponibilit fortuite;dure dindisponibilit sur avarie

603-05-22 Repair duration dure de rparation 603-05-23 Interruption duration dure dinterruption 603-05-24 Outage rate

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IEC Section 603-06 Economic optimization

603-06-01Management forecast of asystem

gestion prvisionnelle dunrseau

603-06-02 Optimum load charge optimale

603-06-03 Economic loading schedule rpartition optimale des charges

603-06-04 Power losses pertes en puissance 603-06-05 Energy losses pertes en nergie 603-06-06 Transmission losses pertes de transport 603-06-07 Distribution losses pertes de distribution 603-06-08 Utilization time of power losses dure dutilisation des pertes 603-06-09 (energy) loss factor taux de pertes (en nergie)

603-06-10

Present value of cost losses;

present worth of cost of losses cots actualiss des pertes 603-06-11 Supply-interruption costs cots dinterruption de fourniture 603-06-12 Reinforcement of a system renforcement dun rseau 603-06-13 target system rseau cible

Chapter 604 : Generation, transmission and distribution ofelectricity - operation

Section 604-01 Quality of supply

604-01-01 Supply(of electricity) fourniture (dnergie lectrique )

604-01-02 Distribution undertaking distributeur 604-01-03 Consumer usager - consommateur

604-01-04 Point of supplypoint de livraison - point defourniture

604-01-05 Quality of supply qualit du service 604-01-06 Frequency deviation cart de frquence 604-01-07 Frequency stability tenue de la frquence 604-01-08 Frequency drift drive de la frquence 604-01-09 Frequency reduction baisse de frquence 604-01-10 Source of harmonic voltage source de tension harmonique 604-01-11 Source of harmonic current source de courant harmonique 604-01-12 Harmonic resonance rsonance harmonique 604-01-13 Subsynchronous resonance rsonance hyposynchrone 604-01-14 Ferro-resonance ferro-rsonance 604-01-15 Voltage stability tenue de la tension 604-01-16 Supply voltage tension de fourniture

604-01-17 Voltage deviation cart de tension 604-01-18 Line voltage drop chute de tension en ligne 604-01-19 Voltage fluctuation fluctuation de tension 604-01-20 Cyclic voltage variation variation cyclique de tension 604-01-21 Voltage reduction baisse de tension

604-01-22 Voltage collapseeffondrement de la tension -croulement de la tension

604-01-23 Loss of voltage manqu de tension 604-01-24 Voltage recovery retour de la tension 604-01-25 Voltage dip creux de tension

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IEC 604-01-26 Flicker voltage range tension de papillotement -Flicker (dconseill)

604-01-27Equivalent flicker voltagefluctuation

tension de papillotementquivalent

604-01-28 Flickermeter flickermtre

604-01-29 Voltage unbalance dsquilibre des tensions dunrseau

604-01-30 Unbalance factor taux de dsquilibre

604-01-31Balancing of a distributionnetwork

quilibrage dun rseau dedistribution

604-01-32 Continuity of supply continuit du service 604-01-33 (Supply)continuity criterion critre de continuit (du service) 604-01-34 Supply disconnection coupure (de la fourniture) 604-01-35 Load recovery reprise de la charge

604-01-36 Cut-off load puissance coupe

604-01-37 Energy not suppliednergie non fournie - nergiecoupe (dconseill) - nergienon distribue END (abrviation)

604-01-38(Load weighted)equivalentinterruption duration(annual,monthly)

dure moyenne de coupurequivalente ( annuelle oumensuelle)

604-01-39 Cost of KWH not supplied cot du kilowattheure coup

604-01-40 Centralized telecontrol (ofloads)

tlcommande centralise (decharges)

604-01-41 Deferrable load charge reportable

604-01-42 Series injection of acentralized telecontrol signal

injection srie dun signal - detlcommande centralise

604-01-43 Shunt injection of a centralizedtelecontrol signal injection parallle dun signal - detlcommande centralise 604-01-44 Voltage depression Baisse profonde de la tension 604-01-45 Voltage instability Instabilit de la tension

Section 604-02 Faults

604-02-01Fault (in electric powersystems)

Dfaut - (dans les rseauxdnergie lectrique)

604-02-02 Insulation fault dfaut disolement 604-02-03 Incident incident 604-02-04 System incident incident de rseau 604-02-05 Maloperation / Misoperation fonctionnement incorrect 604-02-06 Unwanted operation fonctionnement intempestif

604-02-07 Failure to operate non-fonctionnement 604-02-08 Damage fault dfaut avec dommage 604-02-09 Non-damage fault dfaut sans dommage 604-02-10 Permanent fault dfaut permanent 604-02-11 Transient fault dfaut fugitif 604-02-12 Self-extinguishing fault dfaut auto-extincteur 604-02-13 Self-extinguishing current limit courant limite dauto-extinction 604-02-14 Intermittent fault dfaut intermittent 604-02-15 Resistive fault dfaut rsistant 604-02-16 Dead short dfaut franc

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IEC 604-02-17 Line fault dfaut en ligne 604-02-18 Busbar fault dfaut de barres

604-02-19Phase-to-earth fault / singleline to ground fault(USA)

dfaut monophas la terre -dfaut phase-terre

604-02-20Phase-to-phase fault(clear ofearth) /line-to-line fault(USA)

dfaut biphas sans terre

604-02-21Two-phase-to-earth fault /double line to groundfault(USA)

dfaut biphas la terre

604-02-22 Double faults dfaut double

604-02-23Multiple faults / cross countryfault

dfaut multiple

604-02-24Three-phase fault/ symmetricalfault

dfaut triphas - dfautsymtrique (dconseill)

604-02-25 Developing fault dfaut volutif 604-02-26 Turn-to-turn fault;interturn fault dfaut entre spires 604-02-27 Interwinding fault dfaut entre bobinages 604-02-28 Fault clearance limination dun dfaut 604-02-29 Fault clearance time temps d'limination dun dfaut 604-02-30 Closing enclenchement 604-02-31 Opening /tripping dclenchement 604-02-32 Automatic reclosing renclenchement automatique

604-02-33 High speed automaticreclosing

renclenchement rapide

604-02-34 Delayed automatic reclosing renclenchement lent 604-02-35 Successful reclosing renclenchement russi 604-02-36 Unsuccessful reclosing renclenchement non russi

604-02-37 Single shot reclosing

renclenchement automatique

unique 604-02-38 Automatic multiple shotreclosing

renclenchement automatiquemultiple

604-02-39 Final tripping dclenchement dfinitif 604-02-40 Load transfer report de charge 604-02-41 Fault location localisation dun dfaut 604-02-42 Fault locator localisateur de dfaut

604-02-43 Disturbancerecorder/perturbograph

enregistreur de perturbation -perturbographe

Section 604-03 Overvoltages and insulation co-ordination

604-03-01 Highest voltage for equipment tension la plus leve pour lematriel

604-03-02 External insulation isolation externe 604-03-03 Internal insulation isolation interne 604-03-04 Self-restoring insulation isolation autoregnratrice 604-03-05 Non-self-restoring insulation isolation non autoregnratrice 604-03-06 Earth fault factor facteur de dfaut la terre 604-03-07 Insulation of equipment isolement (dun matriel) 604-03-08 Insulation co-ordination coordination de lisolement 604-03-09 Overvoltage (in a system) surtension (dans un rseau )

604-03-10Phase-to-earth overvoltage perunit

valeur relative dune surtensionphase-terre

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IEC 604-03-11 Phase-to-phase overvoltageper unit valeur relative dune surtensionentre phases 604-03-12 Temporary overvoltage surtension temporaire 604-03-13 Transient overvoltage surtension transitoire 604-03-14 Voltage impulse tension de choc

604-03-15 Voltage surgetension de choc (dans le casdune onde progressive)

604-03-16 Front of a voltage impulse front dune tension de choc

604-03-17 Tail of a voltage impulse queue dune tension de choc 604-03-18 Lightning impulse tension de choc de foudre

604-03-19Virtual front duration (of alightning impulse )

dure conventionnelle de front(dune tension de choc defoudre)

604-03-20 Switching impulse tension de choc de manoeuvre 604-03-21 Time to crest (of a switching

impulse)dure jusqu la crte (dunetension de choc de manoeuvre)

604-03-22 Time to half value(of animpulse)

dure jusqu la mi-valeur (dunetension de choc )

604-03-23 Full lightning impulse choc de foudre plein 604-03-24 Chopped lightning impulse choc de foudre coup 604-03-25 Time to chopping dure jusqu la coupure 604-03-26 Impulse chopped on the front choc coup sur le front 604-03-27 Impulse chopped on the tail choc coup sur la queue 604-03-28 Impulse generator gnrateur de choc 604-03-29 Switching overvoltage surtension de (type) manoeuvre 604-03-30 Lightning overvoltage surtension de (type) foudre 604-03-31 Internal overvoltage surtension interne

604-03-32 External overvoltage surtension externe 604-03-33 Direct lightning strike coup de foudre direct 604-03-34 Indirect lightning strike coup de foudre indirect 604-03-35 Accidental voltage transfer transfert accidentel de tension 604-03-36 Resonant overvoltage surtension de rsonance 604-03-37 Breakdown claquage

604-03-38Disruptive discharge /flashover /sparkover amorage - dcharge disruptive

604-03-39 Back flashover amorage en retour

604-03-40Power frequency withstandvoltage

tension de tenue frquenceindustrielle

604-03-41 withstand voltagetension de tenue conventionnelleaux chocs - Tension de tenue

604-03-42Statistical impulse withstandvoltage

tension de tenue statistique auxchocs

604-03-43Fifty per cent disruptivedischarge voltage

tension de cinquante pour centde dcharge disruptive

604-03-44 Dielectric dry test essai dilectrique sec 604-03-45 Dielectric wet test essai dilectrique sous pluie 604-03-46 Artificial pollution test essai sous pollution artificielle 604-03-47 Insulation level niveau disolement

604-03-48 Overhead earth wire/ground-wire (USA)

cble de garde

604-03-49 (protective) spark gap clateur ( de protection)

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IEC 604-03-50 Lightning conductor paratonnerre 604-03-51 Lightning arrester /surge

diverter / surge arresterparafoudre

604-03-52 Discharge current (of anarrester )

courant de dcharge (dunparafoudre)

604-03-53 Residual voltage (of anarrester)

tension rsiduelle (dunparafoudre)

604-03-54Non-linear resistor typearrester parafoudre rsistance variable

604-03-55 Expulsion type arrester parafoudre expulsion

604-03-56Lightning impulse protectivelevel (of a protective device)

niveau de protection auxsurtensions de foudre (dundispositif de protection)

604-03-57

Switching impulse protective

level (of a protective device)

niveau de protection aux

surtensions de manoeuvre (dundispositif de protection)

604-03-58 Protection ratio againstlightning impulsesrapport de protection auxsurtensions de foudre

604-03-59Protection ratio againstswitching impulses

rapport de protection auxsurtensions de manoeuvre

604-03-60 Clearance distance Distance disolement 604-03-61 Creepage distance Ligne de fuite 604-03-62 Insulating material Matriau isolant - Isolant

Section 604-04 Safety

604-04-01To earth (equipment,aninstallation or a system) / toground(USA)

mettre la terre (un appareil,une installation ou un rseau)

604-04-02 Earthing system/groundingsystem(USA)

installation de mise la terre

604-04-03Earth electrode / groundelectrode (USA)

lectrode de terre - prise de terre

604-04-04Separate earth electrodes /separate ground electrodes(USA)

lectrodes de terreindpendantes - lectrodes deterre spares

604-04-05 Remote earth / remote ground(USA)

terre loigne

604-04-06 Earth conductor /groundconductor (USA)

conducteur de terre

604-04-07 Earthing network / groundingnetwork (USA)

rseau de terre

604-04-08Earth terminal / groundterminal (USA) borne de terre

604-04-09 Earth rod / ground rod (USA) piquet de terre

604-04-10Earth plate / ground plate(USA)

plaque de terre

604-04-11 Earth strip / ground strip (USA) ruban de terre

604-04-12Operational earthing /operational grounding (USA)

mise la terre fonctionnelle -mise la terre de service

604-04-13Earthing for work / groundingfor work (USA) mise la terre pour travaux

604-04-14 Stray currents courants vagabonds

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IEC 604-04-15 Cathodic protection protection cathodique 604-04-16 Electric shock choc lectrique 604-04-17 Electrocution lectrocution 604-04-18 Electric burn brlure lectrique 604-04-19 Electric mark marque lectrique 604-04-20 Electro-ophthalmia lectrophtalmie 604-04-21 Fibrillating current courant de fibrillation 604-04-22 Freezing current courant de contraction

604-04-23Releasing current / let-gocurrent (USA) courant de relchement

604-04-24 Threshold current seuil de perception de courant 604-04-25 Live working travail sous tension

604-04-26 Safe clearance working / hotstick working(USA)

travail distance

604-04-27 Insulated gloves method /rubber gloves method (USA) travail au contact 604-04-28 Bare hand method travail au potentiel 604-04-29 Insulated tool outillage isol 604-04-30 Insulating tool outillage isolant 604-04-31 Working pole / working stick perche de travail 604-04-32 Hand pole / hand stick perche main 604-04-33 Universal tool attachment outil adaptable 604-04-34 Support pole perche de maintien 604-04-35 Protective cover / shroud protecteur 604-04-36 Conductive clothing vtement conducteur

604-04-37Arial lift device with insulatingarm

engin lvateur bras isolant

Section 604-05 Electromagnetic Interference and noise intelecommunication systems

604-05-01Exposure (of atelecommunication line to apower line)

rapprochement

604-05-02 Parallelism paralllisme 604-05-03 Oblique exposure rapprochement oblique 604-05-04 Crossing croisement 604-05-05 Screening factor facteur rducteur

604-05-06 High reliability power line(according to CCITT)

ligne a grande scurit deservice (au sens du CCITT)

Chapter 605: Generation,Transmission A