CIGRE Study Committes A3 High Voltage Equipment

1 CIGRE Study Committes A3 CIGRE Study Committes A3 CIGRE Study Committes A3 CIGRE Study Committes A3 high Voltage EquipmentHigh Voltage EquipmentUHV Equipment specificationsUHV Equipment specificationsCircuit breakers and interrupting phnomenaCircuit breakers and interrupting phnomenaVacuum switchgear at transmission voltagesVacuum switchgear at transmission voltagesVacuum switchgear at transmission voltagesVacuum switchgear at transmission voltagesDC interruption and DC switchgearsDC interruption and DC switchgearsControlled switchingControlled switchingHiroki ItoHiroki ItoHiroki ItoHiroki ItoChairman, CIGRE Study Committee A3 Chairman, CIGRE Study Committee A3 Mitsubishi Electric CorporationMitsubishi Electric CorporationMITSUBISHI ELECTRIC1 CIGRE session during ELECRAMA, Bangalore on 9th January 2014 ELECTRICWhat is CIGRE ?What is CIGRE ?Founded in 1921, CIGRE , the Council on Large Electric Systems, is aninternational Non-profit Association for promoting collaboration withexpertsfromaroundtheworldbysharingkn owledgeandjoiningexpertsfromaroundthewor ldbysharingknowledgeandjoiningforces to improve electric power systems of today and tomorrow.

2 Performstudiesontopicalissuesoftheelectr icpowersystem Performstudiesontopicalissuesoftheelectr icpowersystem,such as Supergrid, Microgrid and lifetime management of aged assets,anddisseminate new technologyand improve energy efficiency. Review the state-of-the-art of technical specifications for powersystems & Equipment and provide technical background based on thecollected information for IEC toassist international standardizations. Maintain its values by deliveringunbiased informationbased onfield experience2 CIGRE Technical Committee CIGRE Technical Committee 16 Study Committees16 Study CommitteesA1 Rotating electricalA1 Rotating electrical machinesmachinesB1 Insulated cablesB1 Insulated cablesC1 System development C1 System development && economicseconomicsA: EquipmentA: EquipmentB: SubB: Sub--systemsystemC: SystemC: SystemE. Figueiredo (Brazil) E. Figueiredo (Brazil) P.

3 A rgaut (France)P. A rgaut (France)P. Southwell (Australia)P. Southwell (Australia)A2 TransformersA2 TransformersA3 Hi h lt itA3 Hi h lt itB2 Overhead linesB2 Overhead linesB3 S biB3 S biC2 System operation C2 System operation & & controlcontrolC3 S il fC3 S il fgue edo ( a )gue edo ( a )C. Rajotte (Canada) C. Rajotte (Canada) gaut ( a ce)gaut ( a ce)K. Papailiou (Switzerland) K. Papailiou (Switzerland) Soute ( ust a a)Soute ( ust a a)J. Vanzetta (Germany)J. Vanzetta (Germany)A3 high Voltage equipmentA3 high Voltage equipmentB4 HVDC and B4 HVDC and PPowerower electronicselectronicsB3 SubstationsB3 SubstationsC3 System environmental performanceC3 System environmental performanceC4 System technical performanceC4 System technical performanceDisseminate new technology and Disseminate new technology and H. Ito (Japan) H. Ito (Japan) T. Krieg (Australia)T.

4 Krieg (Australia)F. Parada (Portugal)F. Parada (Portugal)B5 Protection and B5 Protection and AAutomationutomationC5 Electricity marketsC5 Electricity markets && regulationsregulationsPromote international standardizationPromote international standardizationB. Anderson (United Kingdom)B. Anderson (United Kingdom)I. Patriota de Siqueira (Brazil)I. Patriota de Siqueira (Brazil)P. Pourbeik (USA)P. Pourbeik (USA)O. Fosso (Norway)O. Fosso (Norway)Technical committeeTechnical committeeChairman: Mark Waldron (UK) Chairman: Mark Waldron (UK) C6 Distribution systems C6 Distribution systems &&dispersed generationdispersed generationD: Common technologyD: Common technologyPerform studies on topical issues of Perform studies on topical issues of electric power systemelectric power system and and Facilitate the Facilitate the exchange of informationexchange of informationN. Hatziagyriou (Greece)N. Hatziagyriou (Greece)Chairman: Mark Waldron (UK) Chairman: Mark Waldron (UK) Secretary: Yves Maugain (France)Secretary: Yves Maugain (France)3D 1 Materials and emerging D 1 Materials and emerging test techniquetest techniqueD 2 Information systems and telecommunicationD 2 Information systems and telecommunicationD: Common technologyD: Common technologyJ.

5 Kindersberger (Germany)J. Kindersberger (Germany)C. Samitier (Spain)C. Samitier (Spain)SD1 P th t d t t f th f tCIGRE Technical Committee Strategic Directions (SD) CIGRE Technical Committee Strategic Directions (SD)SD1: Prepare the strong and smart power system of the futureSD2: Make the best use of the existing Equipment and systemSD3 A th it SD3: Answer the environment concernsSD4: Develop knowledge and information4 StudyStudyCommitteeCommitteeAA33isisresp onsibleresponsibleforforthethetheorytheo rydesigndesignandandapplicationapplicati onofofsubstationsubstationWhat is What is Study Committee A3 Study Committee A3 StudyStudyCommitteeCommitteeAA33isisresp onsibleresponsibleforforthethetheory,the ory,designdesignandandapplicationapplica tionofofsubstationsubstationequipmentequ ipment appliedapplied toto ACAC andand DCDC systemssystems fromfrom distributiondistribution throughthrough transmissiontransmissionvoltagesvoltages whichwhich areare notnot specificallyspecifically coveredcovered underunder thethe scopescope ofof otherother AA33 coverscovers allall switchingswitching devices,devices, surgesurge arresters,arresters, capacitors,capacitors.

6 Instrumentinstrumenttransformerstransfor mersinsulatorsinsulatorsbushingsbushings faultfaultcurrentcurrentlimiterslimiters andandmonitoringmonitoringtechniquestech niquestransformers,transformers,insulato rs,insulators,bushings,bushings, under changing networks and standardisationRequirements under changing networks and standardisation5 Requirements under changing networks and standardisationRequirements under changing networks and standardisation-- Design and development of substation equipmentDesign and development of substation Equipment -- New and improved testing and simulation techniquesNew and improved testing and simulation techniques-- Reliability assessment and lifetime managementReliability assessment and lifetime managementPopulation, Electricity Supply and ForecastPopulation, Electricity Supply and ForecastWorld population is assumed to rise from 4 billion in 2008 to 8 billion World population is assumed to rise from 4 billion in 2008 to 8 billion in 2020, billion in 2035.

7 Global primary energy demand increases in 2020, billion in 2035. Global primary energy demand increases more than 30% in the period to 2020. Over 80% of the electricity more than 30% in the period to 2020. Over 80% of the electricity dd th i i dd th i i OECD t i ti $37 t illi f OECD t i ti $37 t illi f demand growth arises in nondemand growth arises in non--OECD countries expecting $37 trillion of OECD countries expecting $37 trillion of investment in the world s energy supply in the world s energy supply of 1000 TWh is consumed per billion population in the Electricity of 1000 TWh is consumed per billion population in the 66ypppypppUS and Japan. China and India are foreseen to continue their US and Japan. China and India are foreseen to continue their investments on energy supply on energy supply Voltage of AC power transmission kVWG : Requirements for UHV equipmentWG.

8 Requirements for UHV equipment8001200kV(1985-91,USSR)1100kV(2 008-,China)1200kV(2012-,India)1100kV field tests(1996-,Japan)420kV787kV(1967-,USSR) 800kV(USA, South Africa, Brazil, Korea, China)735/765kV(1965-,Canada) (1952-,Sweden)300420kV(1957-,USSR)(,,,,) 48(1965,Canada)World electricity consumption (1000 TWh) electricity consumption (1000 TWh)A3 provided IEC technical background of UHV specifications A3 provided IEC technical background of UHV specifications for their standardisation worksfor their standardisation worksRussia 1200kV GCBJ apan 1100kV testing field China 1100kV projectsIndia 1200kV testing field7A3 provided IEC technical background of UHV specifications A3 provided IEC technical background of UHV specifications for their standardisation worksfor their standardisation worksTB362: Technical requirements for substation Equipment TB362: Technical requirements for substation Equipment exceeding 800 kVexceeding 800 kVTB456: Background of technical specifications for substation Equipment TB456: Background of technical specifications for substation Equipment exceeding 800 kVexceeding 800 kVTB570: Switching phenomena of UHV & EHV equipmentTB570: Switching phenomena of UHV & EHV equipmentCIGRE UHV project provided excellent opportunities for optimising both CIGRE UHV project provided excellent opportunities for optimising both Major results on UHV investigations CIGRE UHV project provided excellent opportunities for optimising both CIGRE UHV project provided excellent opportunities for optimising both the size & cost of UHV Equipment .

9 The size & cost of UHV Equipment . The CIGRE UHV project has been completed in coordination by several The CIGRE UHV project has been completed in coordination by several The CIGRE UHV project has been completed in coordination by several The CIGRE UHV project has been completed in coordination by several SCs such as SCs such as WG testing procedures (site testing procedures (TB 400, TB562TB 400, TB562), ), WG UHV insulation coordination (on UHV insulation coordination (TB 542TB 542) and AG on ) and AG on Very Fast Transient Phenomena (Very Fast Transient Phenomena (TB 519TB 519) beside ) beside WG and on Very Fast Transient Phenomena (Very Fast Transient Phenomena (TB 519TB 519) beside ) beside WG and on Substation Equipment specifications (Substation Equipment specifications (TB362, TB456, TB570TB362, TB456, TB570).).UHVUHV transmissiontransmission cancan bebe achievedachieved byby optimizationoptimization ofof thethe insulationinsulationdiidiibbliiliiffhi hhi hffMOSAMOSA ihihllcoordinationcoordinationbybyapplic ationapplication ofofhigherhigher performanceperformanceMOSAMOSA withwithlowerlowervoltagevoltage protectionprotection levelslevels thatthat cancan leadlead toto muchmuch smallersmaller towerstowers &&substationssubstations forfor realizingrealizing reliablereliable // economicaleconomical UHVUHV systemssystems && studied switching phenomena of UHV & EHV Equipment in WG studied switching phenomena of UHV & EHV Equipment in order to support the UHV standardisation works in IEC SC 17A.

10 Order to support the UHV standardisation works in IEC SC 17A. 8 Insulation level: LIWV and LIPLI nsulation level: LIWV and LIPL oltage ( )e Withstand Vormentrmentrmentrentrentrentrentrentrme ntrmentinakVQuebec RNASEPR ussia Vghting ImpulseTransformerOther equipmTransformerOther equipmTransformerOther equipmanTransformerOther equipmediaTransformerOther equipmeTransformerOther equipmeTransformerOther equipmlyTransformerOther equipmePCOT ransformerOther equipmTransformerOther equipmLIWV LIWV for UHVfor UHV=( ~ ) x LIPL =( ~ ) x LIPL is reduced as compared withis reduced as compared withLIWVLIWVfor 800 kVfor 800 kV=( ~ ) x LIPL=( ~ ) x LIPLidi LIPL ith th idl lt f MOSA t 20 kAidi LIPL ith th idl lt f MOSA t 20 kAChina1100 kVIEC 800 kVHydro Que765 kVFURNA800 kVAEP800 kVRuss1200 kV(With MOSA)LigJapan1100 kVIndia1200 kVItaly1050 kVKEPCO800 kVproviding LIPL with the residual Voltage of MOSA at 20 LIPL with the residual Voltage of MOSA at 20 MOSA arrangement at line entrance, both ends of busbar and transformer terminalTypical MOSA arrangement at line entrance, both ends of busbar and transformer terminalLIWV requirements for UHV transformers in Italy Russia India and China are comparable LIWV requirements for UHV transformers in Italy Russia India and China are comparable 9 LIWV requirements for UHV transformers in Italy, Russia, India and China are comparable.