Power Electronics Power Electronics Lecture 1 Lecture 1 Prof. Mohammed Zeki Khedher Prof. Mohammed Zeki Khedher Department of Department of Electrical Electrical Engineering Engineering University of Jordan University of Jordan 1
Dec 25, 2015
Power ElectronicsPower ElectronicsLecture 1Lecture 1
Prof. Mohammed Zeki KhedherProf. Mohammed Zeki Khedher
Department ofDepartment of Electrical EngineeringElectrical Engineering
University of JordanUniversity of Jordan
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References for further References for further informationinformation
Textbook: Textbook: “ Power Electronics: Circuits, Devices and Applications”“ Power Electronics: Circuits, Devices and Applications”
By M. Rashid, Prentice-Hall.By M. Rashid, Prentice-Hall.
References:References:
1.1. Power Electronics: Converters, Applications and Design By N. Power Electronics: Converters, Applications and Design By N. Mohan, T. Mohan, T. Undeland, and W. Robins, John-Wiley. Undeland, and W. Robins, John-Wiley.
2.2. Elements of Power Electronics By P. Krein, Oxford University Elements of Power Electronics By P. Krein, Oxford University Press.Press.
3.3. Power Electronics By C. W. Lander, McGraw-Hill.Power Electronics By C. W. Lander, McGraw-Hill.
4.4. rinciple of Power Electronics By J. Kassakian, M. Schlecht rinciple of Power Electronics By J. Kassakian, M. Schlecht and G. Verghses, Addison Wesley.and G. Verghses, Addison Wesley.
5.5. Power Electronics: Principles and Applications By J. Power Electronics: Principles and Applications By J. Vithayathil, McGraw-Hill.Vithayathil, McGraw-Hill.
6.6. Power Semiconductor Circuits By Dewan and Straughen, Power Semiconductor Circuits By Dewan and Straughen, John-Wiley.John-Wiley. 2
The interdisciplinary natureThe interdisciplinary nature
Power Electronics
学
Electronics
Power
学
Control
Continuous,
discrete
连续、离
散
Static & rotating
power equipment
Devices,circuits
Relation with multiple disciplinesRelation with multiple disciplines
Power electronics is currently the most active discipline in electric Power electronics is currently the most active discipline in electric power engineering.power engineering.
Power electronics
electronics electr
Electric machines
Circuit Ct theory
Systems& Control theory
Control
theory
Signal processing
Simulation & computing
electronics
Solid state
physics
Electromagnetics
Power systems
History of Power ElectronicsHistory of Power Electronics
Mercury arc rectifier (year 1900).Mercury arc rectifier (year 1900).Metal tank rectifier.Metal tank rectifier.Grid controlled vacuum tube rectifier.Grid controlled vacuum tube rectifier.Ignitron, Phanatron, ThyratronIgnitron, Phanatron, ThyratronSCR (Silicon Controlled Rectifier)SCR (Silicon Controlled Rectifier)
- The 1- The 1stst Thyristor developed by Bell labs in Thyristor developed by Bell labs in 1956.1956.
11stst Commercial grade SCR developed by Commercial grade SCR developed by “ “ General Electric Co. “ in 1958.General Electric Co. “ in 1958.
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2. 2. The history The history
The thread of the power electronics history is the break- through and evolution of power electronic devices.
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Industrial applicationsIndustrial applications
Motor drivesMotor drives ElectrolysisElectrolysis ElectroplatingElectroplating Induction heatingInduction heating WeldingWelding Arc furnaces and ovensArc furnaces and ovens Lighting Lighting
Transportation applicationsTransportation applications
Trains & locomotivesTrains & locomotives SubwaysSubways Trolley busesTrolley buses Magnetic levitationMagnetic levitation Electric vehiclesElectric vehicles Automotive electronicsAutomotive electronics Ship power systemsShip power systems Aircraft power systemsAircraft power systems
UtilityUtility systems applicationssystems applications
High- voltage dc transmission (HVDC)High- voltage dc transmission (HVDC)Flexible ac transmission (FACTS)Flexible ac transmission (FACTS)Static VAR compensation & harmonicsStatic VAR compensation & harmonicsCustom power & power quality controlCustom power & power quality controlSupplemental energy sources :Supplemental energy sources :wind, photovoltaic, fuel cellswind, photovoltaic, fuel cellsEnergy storage systems.Energy storage systems.
Fuel cells.Fuel cells.
Energy storage systemsEnergy storage systems
Boiler feed water systems.Boiler feed water systems.
Power supplies for electronic Power supplies for electronic equipmentequipment
TelecommunicationsTelecommunications
ComputersComputers
Office equipmentOffice equipment
Electronic instrumentsElectronic instruments
Portable or mobile electronicsPortable or mobile electronics
Residential and home Residential and home appliancesappliances
LightingLighting HeatingHeating Air conditioningAir conditioning Refrigeration & freezersRefrigeration & freezers CookingCooking CleaningCleaning EntertainingEntertaining
Applications in space Applications in space technologytechnology
Spaceship power systemsSpaceship power systems
Satellite power systemsSatellite power systems
Space vehicle power systemsSpace vehicle power systems
Other applicationsOther applications
Nuclear reactor controlNuclear reactor control
Power systems for particle acceleratorsPower systems for particle accelerators
Environmental engineeringEnvironmental engineering
AdvantagesAdvantages
Easy and flexibility in operation due to Easy and flexibility in operation due to digital controls.digital controls.
Faster dynamic response compared to the Faster dynamic response compared to the electro mechanical converters.electro mechanical converters.
Lower acoustic noise when compared to Lower acoustic noise when compared to electro magnetic controllers, relays and electro magnetic controllers, relays and contactors.contactors.
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High efficiency due to low losses in the High efficiency due to low losses in the Thyristors.Thyristors.
Long life and reduced/minimal Long life and reduced/minimal maintenance due to the absence of maintenance due to the absence of mechanical wear.mechanical wear.
Control equipments using Thyristors are Control equipments using Thyristors are compact in size.compact in size.
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DisadvantagesDisadvantages
Generate unwanted harmonics.Generate unwanted harmonics.
Harmonics are injected into power supply Harmonics are injected into power supply lines affecting the performance of other lines affecting the performance of other loads and equipments.loads and equipments.
Unwanted interference with Unwanted interference with communication circuits due to communication circuits due to electromagnetic radiation.electromagnetic radiation.
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Special protection circuits must be used to Special protection circuits must be used to protect the thyristor devices.protect the thyristor devices.
Thyristors must be rated for maximum Thyristors must be rated for maximum loading conditions.loading conditions.
Special steps are to be taken for Special steps are to be taken for correcting line supply power factor.correcting line supply power factor.
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Major issues in power electronicsMajor issues in power electronics
How to meet the requirement of the load or gain How to meet the requirement of the load or gain better control of the loadbetter control of the loadHow to improve the efficiencyHow to improve the efficiency To have reliable operation of power To have reliable operation of power semiconductor devicessemiconductor devices To have energy savingTo have energy savingHow to realize power conversion with less How to realize power conversion with less volume, less weight, and less cost.volume, less weight, and less cost.How to reduce negative influence to other How to reduce negative influence to other equipment in the electric power system and to equipment in the electric power system and to the electromagnetic environment.the electromagnetic environment.
Power DevicesPower Devices
Power DiodePower Diode
Power BJTPower BJT
Power MOSFETPower MOSFET
IGBTIGBT
Thyristor (SCR)Thyristor (SCR)
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