基于混合开关器件的高压直流断路器拓扑
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摘要
为进一步提升高压直流断路器在柔性直流输电中应用的可行性,结合对现有直流断路器方案,提出一种基于混合开关器件的新型高压直流断路器拓扑,全控型开关器件实现开断电流的快速性,半控型开关器件串联承受直流电压,降低工程成本和技术难度。针对文中提出的拓扑机构,分析其工作原理和故障电流转移过程,通过对拓扑进行改进,实现晶闸管转移支路的快速开通和关断,同时给出了主回路参数设计。并通过搭建实验平台,验证了所提拓扑电流转移过程的可靠性和快速性。
In order to further improve the feasibility of high-voltage DC circuit breaker in flexible HVDC transmission, a new type of high-voltage DC circuit breaker topology based on hybrid switching devices is proposed. The full-control switching device is used to realize the breaking current quickly. The half-controlled switching devices are connected in series to withstand the DC voltage and reduce the engineering cost and technical difficulty. According to the topology mechanism proposed in this paper, the working principle and fault current transfer process are analyzed. Through the improvement of the topology, the rapid opening and closing of the thyristor branch is realized, and the main circuit parameter design is given. The reliability and fastness of the proposed topology transfer process are verified by constructing the experimental platform.
In order to further improve the feasibility of high-voltage DC circuit breaker in flexible HVDC transmission, a new type of high-voltage DC circuit breaker topology based on hybrid switching devices is proposed. The full-control switching device is used to realize the breaking current quickly. The half-controlled switching devices are connected in series to withstand the DC voltage and reduce the engineering cost and technical difficulty. According to the topology mechanism proposed in this paper, the working principle and fault current transfer process are analyzed. Through the improvement of the topology, the rapid opening and closing of the thyristor branch is realized, and the main circuit parameter design is given. The reliability and fastness of the proposed topology transfer process are verified by constructing the experimental platform.
引文
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[21]药韬,温家良,李金元,等.基于IGBT串联技术的混合式高压直流断路器方案[J].电网技术,2015,39(9):2484-2489.YAO Tao, WEN Jialiang, LI Jinyuan, et al. A hybrid high voltage DC circuitbreakerdesignplanwithseries-connectedIGBTs[J].Power System Technology, 2015, 39(9):2484-2489.
[22]周万迪,魏晓光,高冲,等.基于晶闸管的混合型无弧高压直流断路器[J].中国电机工程学报,2014,34(18):2990-2996.ZHOUWandi,WEIXiaoguang,GAOChong,etal.Thyristorbased hybrid arc-less high voltage direct current circuit breaker[J]. Proceedings of the CSEE, 2014, 34(18):2990-2996.
[23]杜翼,江道灼,郑欢,等.基于电力电子复合开关的限流式混合直流断路器参数设计[J].电力系统自动化,2015,39(11):88-95.DU Yi, JIANG Daozhuo, ZHENG Huan, et al. Parameter designing of currentlimitingDChybridcircuitbreakerbasedoncombinatiorial electronicswitch[J].AutomationofElectricPowerSystems,2015,39(11):88-95.
[24]朱晋,刘丹华,尹靖元,等.基于模块级联技术的混合型高压直流断路器研究[J].中国电机工程学报,2017,37(5):1560-1567.ZHUJin,LIUDanhua,YINJingyuan,etal.Researchonhybrid HVDCcircuitbreakerbasedonmodulecascadetechnology[J].Proceedings of the CSEE, 2017, 37(5):1560-1567.
[2]徐政,刘高任,张哲任.柔性直流输电网的故障保护原理研究[J].高电压技术,2017,43(1):1-8.XUZheng,LIUGaoren,ZHANGZheren.Researchonfaultprotection principle of DC grids[J]. High Voltage Engineering, 2017, 43(1):1-8.
[3]KIRBYNM,XUL,LUCKETTM,etal.HVDCtransmissionfor large offshore wind farms[J]. Power Engineering Journal, 2002, 16(3):135-141.
[4]汤广福,罗湘,魏晓光.多端直流输电与直流电网技术[J].中国电机工程学报,2013,33(10):8-17.TANG Guangfu, LUO Xiang, WEI Xiaoguang. Multi-terminal HVDC andDC-gridtechnology[J].ProceedingsoftheCSEE,2013,33(10):8-17.
[5]裘鹏,黄晓明,王一,等.高压直流断路器在舟山柔直工程中的应用[J].高电压技术,2018,44(2):403-408.QIU Peng, HUANG Xiaoming, WANG Yi, et al. Application of high voltageDCcircuitbreakerinZhoushanVSC-HVDCtransmission project[J]. High Voltage Engineering, 2018, 44(2):403-408.
[6]MEYER C, HOEING M, PETERSON A, et al. Control and design of DCgridsforoffshorewindfarms[J].IEEETransactionsonIndustry Applications, 2007, 43(6):1475-1482.
[7]吴方劼,马玉龙,梅念,等.舟山多端柔性直流输电工程主接线方案设计[J].电网技术,2014,38(10):2651-2657.WU Fangjie, MA Yulong, MEI Nian, et al. Design of main connection scheme for Zhoushan flexible multi-terminal HVDC transmission project[J]. Power System Technology, 2014, 38(10):2651-2657.
[8]周浩,沈扬,李敏,等.舟山多端柔性直流输电工程换流站绝缘配合[J].电网技术,2013,37(4):879-890.ZHOU Hao, SHEN Yang, LI Min, et al. Research on insulation coordinationforconverterstationsofZhoushanmulti-terminal VSC-HVDC transmission project[J]. Power System Technology, 2013,37(4):879-890.
[9]JOVCIC D,HERTEMD, LINDENK,etal. Feasibility ofDC transmissionnetworks[C]∥InnovativeSmartGridTechnologies Conference. Manchester, UK:IEEE, 2011:1-8.
[10]HENRY S, DENIS A M, PANCIATICI P. Feasibility study of off-shore HVDCgrids[C]∥PowerandEnergySocietyGeneralMeeting.Minneapolis, MN, USA:IEEE, 2010:1-5.
[11]徐政,肖晃庆,徐雨哲.直流断路器的基本原理和实现方法研究[J].高电压技术,2017,44(2):347-357.XU Zheng, XIAO Huanqing, XU Yuzhe. Study on basic principle and its realization methods for DC circuit breakers[J]. High Voltage Engineering, 2017, 44(2):347-357.
[12]CHARLESWB,ROGERAD.Reviewoftechnologiesforcurrent-limitinglow-voltagecircuitbreakers[J].IEEETransactionson Industry Applications, 1996, 32(5):1005-1010.
[13]CHRISTOPHM,SCHR?DERS,RIKW,etal.Solid-statecircuit breakers and current limiters for medium-voltage systems:having distributedpowersystems[J].IEEETransactionsonPowerElectronics,2004, 19(5):1333-1340.
[14]周猛,左文平,林卫星,等.电容换流型直流断路器及其在直流电网的应用[J].中国电机工程学报,2017,37(4):1045-1052.ZHOU Meng, ZUO Wenping, LIN Weixing, et al. Capacitive converterDCcircuitbreakeranditsapplicationinDCpowergrid[J].Proceedings of the CSEE, 2017, 37(4):1045-1052.
[15]CHRISTOPH M, RIK W, DE DONCKER. Solid-state circuit breaker basedonactivethyristortopologies[J].IEEETransactionsonPower Electronics, 2006, 21(2):450-458.
[16]SANO K, TAKASAKI M. A surgeless solid-state DC circuit breake for voltage-source-converter-based HVDC systems[J]. IEEE Transactions on Industry Applications, 2014, 50(4):2690-2699.
[17]SHUKLAA,DEMETRIADESGD.Asurveyonhybridcircuit-breakertopologies[J].IEEETransactionsonPowerDelivery,2015, 30(2):627-641.
[18]HASSANPOOR A, HAFNER J, JACOBSON B. Technical assessment of load commutation switch in hybrid HVDC breaker[J]. IEEE Transactions on Power Electronics, 2015, 30(10):5393-5400.
[19]魏晓光,高冲,罗湘,等.柔性直流输电网用新型高压直流断路器设计方案[J].电力系统自动化,2013,37(15):95-102.WEIXiaoguang,GAOChong,LUOXiang,etal.Anoveldesignof high-voltage DC circuit breaker in HVDC flexible transmission grid[J].Automation of Electric Power Systems, 2013, 37(15):95-102.
[20]江道灼,张弛,郑欢,等.一种限流式混合直流断路器方案[J].电力系统自动化,2014,38(4):65-71.JIANGDaozhuo,ZHANGChi,ZHENGHuan,etal.Aschemefor current-limitinghybridDCcircuitbreaker[J].AutomationofElectric Power Systems, 2014, 38(4):65-71.
[21]药韬,温家良,李金元,等.基于IGBT串联技术的混合式高压直流断路器方案[J].电网技术,2015,39(9):2484-2489.YAO Tao, WEN Jialiang, LI Jinyuan, et al. A hybrid high voltage DC circuitbreakerdesignplanwithseries-connectedIGBTs[J].Power System Technology, 2015, 39(9):2484-2489.
[22]周万迪,魏晓光,高冲,等.基于晶闸管的混合型无弧高压直流断路器[J].中国电机工程学报,2014,34(18):2990-2996.ZHOUWandi,WEIXiaoguang,GAOChong,etal.Thyristorbased hybrid arc-less high voltage direct current circuit breaker[J]. Proceedings of the CSEE, 2014, 34(18):2990-2996.
[23]杜翼,江道灼,郑欢,等.基于电力电子复合开关的限流式混合直流断路器参数设计[J].电力系统自动化,2015,39(11):88-95.DU Yi, JIANG Daozhuo, ZHENG Huan, et al. Parameter designing of currentlimitingDChybridcircuitbreakerbasedoncombinatiorial electronicswitch[J].AutomationofElectricPowerSystems,2015,39(11):88-95.
[24]朱晋,刘丹华,尹靖元,等.基于模块级联技术的混合型高压直流断路器研究[J].中国电机工程学报,2017,37(5):1560-1567.ZHUJin,LIUDanhua,YINJingyuan,etal.Researchonhybrid HVDCcircuitbreakerbasedonmodulecascadetechnology[J].Proceedings of the CSEE, 2017, 37(5):1560-1567.