1 CNC-CIGRE Study Committee Report October 18-20, 2010 VANCOUVER CIGRÉ SC – A3 High-Voltage Equipment Hubert Mercure.

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CNC-CIGREStudy Committee Report

October 18-20, 2010VANCOUVER

CIGRÉ SC – A3 High-Voltage EquipmentHubert Mercure

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SC – A3Mission of the Study Committee

The mission of SC A3 is to facilitate and promote the progress of engineering and the international exchange of information and knowledge in the field of high voltage equipment, and to add value to this information and knowledge by means of synthesizing state-of-the-art

practices and developing recommendations.

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• Responsible for the theory, design, construction, and application of High-Voltage equipment components, equipment, and equipment systems for both AC and DC systems.

• It includes all other High-Voltage equipment not specifically

covered under another equipment study committee’s scopes

• Emphasis is on function and interaction of HV Equipment

• Maintain liaison with standardisation bodies such as IEEE, IEEE-

PES, IEC, CENELEC, CSA

SC – A3Scope

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• The SC currently consists of a Chairman (Mark Waldron, UK), a Secretary (Edelhard Kynast, GE), 25 Regular Members and 5 Observer Members.

 • The 25 countries represented by Regular Members are: Australia, Austria, Bosnia-Herzegovina, Brazil, Canada, China, Czech,

France, Germany, Greece, India, Ireland, Italy, Japan, Korea, Norway, Poland, Portugal, South Africa, Spain, Sweden, Switzerland, The Netherlands, United Kingdom and United States 

• The constituents of the SC come from Utilities, Manufacturers, Consultants, Research and Testing establishments and Universities.

SC – A3Study Committee Membership 

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Type Number Title of group Name of Convener Date “on”

Date “off”

AG A3.01 Strategic Planning M. Waldron (GB) 2002

AG A3.02 Tutorials D. Peelo (CA) 2001

WG A3.06 Reliability of High Voltage Equipment C. Sölver (SE) 2002 2008

WG A3.15 Non Conventional Instrument Transformers P. Tantin (FR) 2004 2007

WG A3.17 Surge Arresters B. Richter (CH) 2003 2007

WG A3.21 Non-ceramic insulators M. De Negris (IT) 2006 2009

WG A3.22 UHV Hiroki Ito (JP) 2007 2009

WG A3.23 Guidelines and selection of FCL H. Schmitt (DE) 2008 2011

WG A3.24 Simulating Internal Arc and Current Withstand Testing M.Kriegel (DE) 2008 2010

WG A3.25 MOV and SA for emerging system conditions B. Richter (CH) 2009 2011

WG A3.26 Capacitor bank switching A. Bosma (SE) 2009 2012

WG A3.27 Vacuum switchgear at transmission voltages R. Smeets (NL) 2009 2011

WG A3.28 Switching phenomena & testing for UHV and EHV H. Ito (JP) 2010 2013

WG A3.29 Ageing substations A.Maheshwari (AU) 2010 2013

WG A3.30 Overstressing of substation equipment A. Carvalho (BR) 2010 2013

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WG A3.06 Reliability of HV equipmentConvener: Carl-Ejnar SölverMembership23 members (1 corresponding)Canadian member: Bill Bergman (CM; PowerNex)

HighlightThe data base is in a very final stage and the analysis is starting within task forces which are focused on specific equipment.

Publication: CIGRE 2011, CTB to be completed, “The 3rd international enquiry on failures of HV equipment and GIS”

SC – A3Report on Working Groups

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WG A3.15 Non Conventional Current TransformersConvener: Pascal TantinMembership: Past-convener Pascal Tantin and reviewersCanadian member: Farnoosh Rahmatian (Quanta Technologies)

Highlight: Final revision by special task force completed and pending authorization for publication and future 2011 Electra Report. - WG will be disbanded. - «NCIT with digital output» : New TOR to be proposed in 2011.

SC – A3Report on Working Groups

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WG A3.17 Surge ArrestersConvener: Bernhard RichterMembership22 members (7 corresponding)Canadian member: Jack H. Sawada (Eng. Consulting Services)

Highlight: The draft TB and Electra paper will be finalized within the next weeks and ready for distribution within the SC in September- WG has been disbanded at Paris 2010 meeting

Publication: CIGRE 2008, A3-309, “Energy handling capacity oh HV metal-oxide surge arresters”; CTB and Electra paper have been finalized

SC – A3Report on Working Groups

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WG A3.21 Application of Non-ceramic InsulatorsConvener: Bernhard Richter

Highlight: The WG is effectively closed

Publication: Final draft being circulated

SC – A3Report on Working Groups

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WG A3.22 UHV EquipmentConvener: Hiroki ItoMembership34 members (9 corresponding)Canadian members: Yvon Filion (Hydro-Québec TransÉnergie) David Peelo (DF Peelo & Associates)Highlight: The draft of the TB are pending approval

Publication: CTB 2010, “Background of technical specifications of

substation equipment exceeding 800kV” and Symposium Paper A3-

3.1, 2009, “System impact on UHV substation equipment”

SC – A3Report on Working Groups

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WG A3.23Application & feasibility of FCL in power systemsConvener: Heino SchmittMembership25 members (2 corresponding members)Canadian members: Yves Brissette (Hydro-Québec Technologie) Ken Edwards (BPA)

Highlight: A guide on «how to test FCL» is being prepared by IEEE WG37.302. A contact is made to benefit from this close relationship

Liaison: Interest of FCL community to link with new IEEE WG “Guide for Fault Current Limiter testing ”

SC – A3Report on Working Groups

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WG A3.24Simulating internal arc & current withstand testingConvener: Neudad Uzelac (formely Martin Kriegel) Membership18 members (3 corresponding)Canadian members: Ryszar Pater (Hydro-Québec Technologie) Iulian Profir (Rockwell Automation Canada)Highlight: Work progressing adequately

Publication: CTB TBD/2010, “Tools for the simulation of pressure rise

due to internal arc in MV and HV switchgear”

SC – A3Report on Working Groups

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WG A3.25MOV and SA for emerging system conditionsConvener: Bernhard Richter Membership22 members (4 corresponding)Canadian member: OPEN

Highlight: Work progressing adequately. - The subject of «ageing of SA» is deemed important to this WG

SC – A3Report on Working Groups

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WG A3.26Influence of shunt capacitor banks on CB fault interruption dutiesConvener: Anne BosmaMembership19 members (3 corresponding)Canadian member: Bruce R. Sunga (BCHydro)

Highlight: Work progressing adequately. - Mandate also to include «series reactors».

SC – A3Report on Working Groups

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WG A3.27The impact of the application of vacuum switchgear at transmission voltagesConvener: Rene SmeetsMembership27 members (5 corresponding)Canadian member: René Doche ( Hydro-Québec TransÉnergie)

Highlight: Just underway, yet work progressing adequately.

SC – A3Report on Working Groups

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WG A3.28Switching phenomena and testing requirements for UHV & EHV equipmentMembership40 members ( 7 corresponding members)Canadian members: Sébastien Poirier (Hydro-Québec TransÉnergie) David Peelo (DF Peelo & Associates)

Highlight: Kick-off meeting was held in Paris.

Activities planned: 3 task groups to conduct a benchmark study and gather field experience with various CB technologies and compare simulation results with model networks and/or actual substations.

SC – A3Report on Working Groups

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WG A3.29Deterioration of ageing substation equipment and possible mitigation techniquesConvener: Anwar MaheshwariMembership: call for experts still running Canadian member: OPEN

Activities planned: Assets are expected to remain in service for longer than ever before. At the same time, guidance in this field is not readily available. This WG proposes to undertake a comprehensive review of experiences in the field of degradation process, lifetime assessment and life extension techniques and asset condition monitoring.

SC – A3Report on Working Groups

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WG A3.30Impact of overstressing on substation equipmentConvener: Antonio Carvalho Membership: Call for experts still runningCanadian member proposed: OPEN

Activities planned: In addition to classical, condition based, end-of-life considerations, lifetime management is now facing system conditions that may exceed proven equipment capabilities, often referred to as «overstressing». The WG will review end-of-life decision making in this changing environment.

SC – A3Report on Working Groups

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New work items (some examples)

1. «Instrument transformers with digital output»/ Convener: Farnoosh Rahmatian (CA)

2. «Requirements for interruption of short-circuit currents with delayed zeros» / Convener: Jorge A. Filho (BR)This may also interest other SC’s in the network modeling area

3. «DC equipment» : Is it the right time to start WG work on DC substation equipment ? There is already interest for DC circuit-breakers. Chairman of SCA3 to discuss this subject with SC B4.

SC – A3Report on Working Groups

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SC A3 Website / www.cigre-a3.orgwww.cigre-canada.org

Groupe – Technologie21 ©

SC A3SC A3 20102010

Hubert MercureCanada

(450) 652-8225

[email protected]

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