中压多端口电力电子变压器技术研究
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摘要
随着智能电网、能源互联网等电网技术的快速发展,多端口电力电子变压器成为交直流混合微电网的核心设备。相关理论和技术的研究得到了越来越广泛的关注。但是,从总体而言,多端口电力电子变压器的技术并不成熟,还有很多需要深入研究的地方。文中主要总结了电力电子变压器不同的拓扑和控制算法,提出在不同的应用场合下如何选取合适的拓扑和控制算法。通过分析多端口电力电子变压器发展历史,对多端口电力电子变压器的电路拓扑、成本、效率、可用率以及控制算法等进行了分析和对比。总结在不同应用场合下如何选取合适的系统拓扑和控制算法。最后对多端口电力电子变压器的发展趋势进行了总结和展望。
With the rapid development of grid technologies such as smart grid and energy internet,multi-port power electronic transformers have become the core equipment of AC/DC hybrid microgrid.Research on related theories and technologies has received more and more attention.However,in general,the technology of multi-port power electronic transformers is not mature,and there are still many places that need to be studied in depth.This paper mainly summarizes the different topology and control algorithm of power electronic transformer,and proposes how to select the appropriate topology and control algorithm in different application situations.By analyzing the development history of multi-port power electronic transformer,the circuit topology,cost,efficiency,availability and control algorithm of multi-port power electronic transformer are analyzed and compared.This paper summarizes how to select the appropriate system topology and control algorithm in different applications.Finally,the development trend of multi-port power electronic transformer is summarized and prospected.
With the rapid development of grid technologies such as smart grid and energy internet,multi-port power electronic transformers have become the core equipment of AC/DC hybrid microgrid.Research on related theories and technologies has received more and more attention.However,in general,the technology of multi-port power electronic transformers is not mature,and there are still many places that need to be studied in depth.This paper mainly summarizes the different topology and control algorithm of power electronic transformer,and proposes how to select the appropriate topology and control algorithm in different application situations.By analyzing the development history of multi-port power electronic transformer,the circuit topology,cost,efficiency,availability and control algorithm of multi-port power electronic transformer are analyzed and compared.This paper summarizes how to select the appropriate system topology and control algorithm in different applications.Finally,the development trend of multi-port power electronic transformer is summarized and prospected.
引文
[1]李子欣,高范强,赵聪,等,电力电子变压器技术研究综述[J].中国电机工程学报,2018,38(5):1274-1289.LI Zixin,GAO Fanqiang,ZHAO Cong,et al.Research re view of power electronic transformer technologies[J].Proceedings of the CSEE,2018,38(5):1274-1289.
[2]李子欣,王平,楚遵方,等.面向中高压智能配电网的电力电子变压器研究[J].电网技术,2013,37(9):2592-2601.LI Zixin,WANG Ping,CHU Zunfang,et al.Research on medium-and high-voltage smart distribution grid oriented power electronic transformer[J].Power System Technology,2013,37(9):2592-2601.
[3]赵争鸣,冯高辉,袁立强,等.电能路由器的发展及其关键技术[J].中国电机工程学报,2017,37(13):3823-3834.ZHAO Zhengming,FENG Gaohui,YUAN Liqiang,et al.The development and key technologies of electric energy router[J].Proceedings of the CSEE,2017,37(13):3823-3834.
[4]刘欣和,吴金龙,辛德锋,等.10 kV MW级电力电子变压器设计方案[J].华北电力大学学报(自然科学版),2017,44(3):59-66.LIU Xinhe,WU Jinlong,XIN Defeng,et al.Design scheme for 10 kV MW level power electronic transformer[J].Journal of North China Electric Power University(Natural science edition),2017,44(3):59-66.
[5]殷伟,吕洋,马大俊,等.一种全桥MMC型电力电子变压器的优化均压控制策略[J].可再生能源,2018,36(11):1684-1691.YIN Wei,LYU Yang,MA Dajun,et al.An optimized voltage sharing control strategy for full-bridge MMC power electronic transformer[J].Renewable Energy,2018,36(11):1684-1691.
[6]杨德勇,杨天矾,朱柄全,等.电力电子牵引变压器电磁兼容分析[J].大功率变流技术,2017(4):64-68.YANG Deyong,YANG Tianfan,ZHU Bingquan,et al.Electromagnetic compatibility analysis of power electronic traction transformer[J].High Power Converter Technology,2017(4):64-68.
[7]张明锐,林显琦,孙华.孤岛微网中固态变压器间环流抑制研究[J].中国电机工程学报,2014,34(31):5563-5570.ZHANG Mingrui,LIN Xianqi,SUN Hua.Researches on restraining circulating currents of solid state transformers in islanding mode microgrids[J].Proceedings of the CSEE,2014,34(31):5563-5570.
[8]张爱萍,陆振纲,宋洁莹,等.应用于交直流配电网的电力电子变压器[J].电力建设,2017,38(6):66-72.ZHANG Aiping,LU Zhengang,SONG Jieying,et al.Power electronic transformer used in AC/DC hybrid distribution network[J].Electric Power Construction,2017,38(6):66-72.
[9]ZHANG Aiping,LU Zhengang,SONG Jieying,et al.Power electronic transformer used in AC/DC hybrid distribution network[J].Electric Power Construction,2017,38(6):66-72.
[10]刘海军,蔡林海,葛菁,等.基于独立相电流控制的PET单级统一控制系统研究[J].智慧电力,2017,45(12):12-21.LIU Haijun,CAI Linhai,GE Jing,et al.Independent phasecurrent control based single-stage unified control system for power electronices transformer[J].Grid Analysis and Study,2017,45(12):12-21.
[11]耿琪,胡炎,何建宗,等.含电力电子变压器的交直流混合电网最优潮流[J].电网技术,2019,43(3):373-386.GENG Qi,HU Yan,HE Jianzong,et al.Optimal power flow for AC and DC grids based on power electronic transformer[J].Power System Technology,2019,43(3):373-386.
[12]孙秋,范春菊,徐峰,等.电力电子变压器中压直流端口单极接地故障特性研究[J].电网技术,2018,42(11):3616-3622.SUN Qiu,FAN Chunju,XU Feng,et al.Research on characteristics of pole-to-ground fault in MV power electronic transformer DC port[J].Power System Technology,2018,42(11):3616-3622.
[13]冯宇鹏,吴金龙,王先为,等.电网不平衡故障下电力电子变压器控制策略[J].电力建设,2016,37(7):84-90.FENG Yupeng,WU Jinlong,WANG Xianwei,et al.Control strategy of power electronic transformer under unbalanced grid fault[J].Electric Power Construction,2016,37(7):84-90.
[14]范明天.中压配电电压等级优化的总体思路[J].南方电网技术,2013,7(1):15-20.FAN Mingtian.The general ideas of the voltage-level optimization for medium voltage distribution network[J].Southern Power System Technology,2013,7(1):15-20.
[15]柳依然.直流配电网电压等级序列研究[D].武汉:华中科技大学,2015.LIU Yiran.Study on voltage rank sequence of DCdistribution network[D].Wuhan:Huazhong University of Science and Technology,2015.
[16]李景禄,王鹏.关于配电网中性点接地方式的探讨与分析[J].华北电力技术,2003(12):10-12.LI Jinglu,WANG Peng.Study of neutral grounding manners in distribution network[J].North China Electric Power,2003(12):10-12.
[17]李景禄,周羽生.关于配电网中性点接地方式的探讨[J].电力自动化设备,2004,24(8):85-86.LI Jinglu,ZHOU Yusheng.Study on neutral grounding modes of distribution system[J].Electric Power Automation Equipment,2004,24(8):85-86.
[18]曹阳,袁立强,朱少敏,等.面向能源互联网的配网能量路由器关键参数设计[J].电网技术,2015,39(11):3094-3101.CAO Yang,YUAN Liqiang,ZHU Shaomin,et al.Parameter design of energy router orienting energy Internet[J].Power System Technology,2015,39(11):3094-3101.
[19]林卫星,文劲宇,刘伟增.架空柔性直流输电系统全桥模块比例设计与无闭锁控制[J].南方电网技术,2018,12(2):3-11.LIN Weixing,WEN Jinyu,LIU Weizeng.Full bridge submodule proportional design and non-blocking control of overhead MMC-H VDC transmission system[J].Southern Power Grid technology,2018,12(2):3-11.
[2]李子欣,王平,楚遵方,等.面向中高压智能配电网的电力电子变压器研究[J].电网技术,2013,37(9):2592-2601.LI Zixin,WANG Ping,CHU Zunfang,et al.Research on medium-and high-voltage smart distribution grid oriented power electronic transformer[J].Power System Technology,2013,37(9):2592-2601.
[3]赵争鸣,冯高辉,袁立强,等.电能路由器的发展及其关键技术[J].中国电机工程学报,2017,37(13):3823-3834.ZHAO Zhengming,FENG Gaohui,YUAN Liqiang,et al.The development and key technologies of electric energy router[J].Proceedings of the CSEE,2017,37(13):3823-3834.
[4]刘欣和,吴金龙,辛德锋,等.10 kV MW级电力电子变压器设计方案[J].华北电力大学学报(自然科学版),2017,44(3):59-66.LIU Xinhe,WU Jinlong,XIN Defeng,et al.Design scheme for 10 kV MW level power electronic transformer[J].Journal of North China Electric Power University(Natural science edition),2017,44(3):59-66.
[5]殷伟,吕洋,马大俊,等.一种全桥MMC型电力电子变压器的优化均压控制策略[J].可再生能源,2018,36(11):1684-1691.YIN Wei,LYU Yang,MA Dajun,et al.An optimized voltage sharing control strategy for full-bridge MMC power electronic transformer[J].Renewable Energy,2018,36(11):1684-1691.
[6]杨德勇,杨天矾,朱柄全,等.电力电子牵引变压器电磁兼容分析[J].大功率变流技术,2017(4):64-68.YANG Deyong,YANG Tianfan,ZHU Bingquan,et al.Electromagnetic compatibility analysis of power electronic traction transformer[J].High Power Converter Technology,2017(4):64-68.
[7]张明锐,林显琦,孙华.孤岛微网中固态变压器间环流抑制研究[J].中国电机工程学报,2014,34(31):5563-5570.ZHANG Mingrui,LIN Xianqi,SUN Hua.Researches on restraining circulating currents of solid state transformers in islanding mode microgrids[J].Proceedings of the CSEE,2014,34(31):5563-5570.
[8]张爱萍,陆振纲,宋洁莹,等.应用于交直流配电网的电力电子变压器[J].电力建设,2017,38(6):66-72.ZHANG Aiping,LU Zhengang,SONG Jieying,et al.Power electronic transformer used in AC/DC hybrid distribution network[J].Electric Power Construction,2017,38(6):66-72.
[9]ZHANG Aiping,LU Zhengang,SONG Jieying,et al.Power electronic transformer used in AC/DC hybrid distribution network[J].Electric Power Construction,2017,38(6):66-72.
[10]刘海军,蔡林海,葛菁,等.基于独立相电流控制的PET单级统一控制系统研究[J].智慧电力,2017,45(12):12-21.LIU Haijun,CAI Linhai,GE Jing,et al.Independent phasecurrent control based single-stage unified control system for power electronices transformer[J].Grid Analysis and Study,2017,45(12):12-21.
[11]耿琪,胡炎,何建宗,等.含电力电子变压器的交直流混合电网最优潮流[J].电网技术,2019,43(3):373-386.GENG Qi,HU Yan,HE Jianzong,et al.Optimal power flow for AC and DC grids based on power electronic transformer[J].Power System Technology,2019,43(3):373-386.
[12]孙秋,范春菊,徐峰,等.电力电子变压器中压直流端口单极接地故障特性研究[J].电网技术,2018,42(11):3616-3622.SUN Qiu,FAN Chunju,XU Feng,et al.Research on characteristics of pole-to-ground fault in MV power electronic transformer DC port[J].Power System Technology,2018,42(11):3616-3622.
[13]冯宇鹏,吴金龙,王先为,等.电网不平衡故障下电力电子变压器控制策略[J].电力建设,2016,37(7):84-90.FENG Yupeng,WU Jinlong,WANG Xianwei,et al.Control strategy of power electronic transformer under unbalanced grid fault[J].Electric Power Construction,2016,37(7):84-90.
[14]范明天.中压配电电压等级优化的总体思路[J].南方电网技术,2013,7(1):15-20.FAN Mingtian.The general ideas of the voltage-level optimization for medium voltage distribution network[J].Southern Power System Technology,2013,7(1):15-20.
[15]柳依然.直流配电网电压等级序列研究[D].武汉:华中科技大学,2015.LIU Yiran.Study on voltage rank sequence of DCdistribution network[D].Wuhan:Huazhong University of Science and Technology,2015.
[16]李景禄,王鹏.关于配电网中性点接地方式的探讨与分析[J].华北电力技术,2003(12):10-12.LI Jinglu,WANG Peng.Study of neutral grounding manners in distribution network[J].North China Electric Power,2003(12):10-12.
[17]李景禄,周羽生.关于配电网中性点接地方式的探讨[J].电力自动化设备,2004,24(8):85-86.LI Jinglu,ZHOU Yusheng.Study on neutral grounding modes of distribution system[J].Electric Power Automation Equipment,2004,24(8):85-86.
[18]曹阳,袁立强,朱少敏,等.面向能源互联网的配网能量路由器关键参数设计[J].电网技术,2015,39(11):3094-3101.CAO Yang,YUAN Liqiang,ZHU Shaomin,et al.Parameter design of energy router orienting energy Internet[J].Power System Technology,2015,39(11):3094-3101.
[19]林卫星,文劲宇,刘伟增.架空柔性直流输电系统全桥模块比例设计与无闭锁控制[J].南方电网技术,2018,12(2):3-11.LIN Weixing,WEN Jinyu,LIU Weizeng.Full bridge submodule proportional design and non-blocking control of overhead MMC-H VDC transmission system[J].Southern Power Grid technology,2018,12(2):3-11.
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