柔性多状态开关在智能配电网中的应用
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摘要
柔性多状态开关是一种代替传统联络开关的电力电子装备,它能够满足智能配电网分布式电源的消纳、高供电可靠性等定制电力需求。本文对实现配电网柔性互联的柔性多状态开关的数学模型和工作原理进行详细分析,提出实现双端配电网络柔性互联的控制方式,并对双端配电网络在不同电压等级、电网频率、电压、相位下的柔性互联进行仿真分析。仿真结果证明了柔性多状态开关的可行性和优越性。
Flexible multi-state switch is a kind of power electronic equipment that replaces the traditional contact switch.It can satisfy the custom power demand such as smart distributed power distribution network as well as high reliability of power supply.The mathematical model and working principle of flexible multi-state switch for flexible interconnection of distribution network are analyzed in detail,and the control method of the flexible interconnection of dual-end distribution network is put forward.The flexible interconnection of two terminal distribution network is simulated in different voltage grades,power grid frequencies and voltage phase angles.The simulation results verify the feasibility and superiority of flexible multi-state switch.
Flexible multi-state switch is a kind of power electronic equipment that replaces the traditional contact switch.It can satisfy the custom power demand such as smart distributed power distribution network as well as high reliability of power supply.The mathematical model and working principle of flexible multi-state switch for flexible interconnection of distribution network are analyzed in detail,and the control method of the flexible interconnection of dual-end distribution network is put forward.The flexible interconnection of two terminal distribution network is simulated in different voltage grades,power grid frequencies and voltage phase angles.The simulation results verify the feasibility and superiority of flexible multi-state switch.
引文
[1]李学平,卢志刚,刘照拯,等.含分布式电源的配电网多故障抢修的多代理策略研究[J].电工技术学报,2013,28(8):48-55.Li Xueping,Lu Zhigang,Liu Zhaozheng,et al Multi-agent strategy of distribution networks multifaults rush-repair with distributed generators[J].Transactions of China Electrotechnical Society,2013,28(8):48-55.
[2]王成山,李鹏.分布式发电、微网与智能配电网的发展与挑战[J].电力系统自动化,2010,34(2):10-14,23.Wang Chengshan,Li Peng.Development and challenges of distributed generation,the micro-grid and smart distribution system[J].Automation of Electric Power Systems,2010,34(2):10-14,23.
[3]D'Adamo C,Jupe S,Abbey C.Global survey on planning and operation of active distribution networks-update of CIGRE C6.11 working group activities[C]//CIRED 2009.IET 20th International Conference and Exhibition on Electricity DistributionPart 1,Prague,Czech Republic,2009:1-4.
[4]Bloemink J M,Green T C.Increasing distributed generation penetration using soft normally-open points[C]//2010 IEEE Power and Energy Society General Meeting,Detroit,Providence,RI,USA,2010:DOI:10.1109/PES.2010.5589629.
[5]王成山,孙充勃,李鹏,等.基于SNOP的配电网运行优化及分析[J].电力系统自动化,2015,39(9):82-87.Wang Chengshan,Sun Chongbo,Li Peng,et al.SNOP-based operation optimization and analysis of distribution networks[J].Automation of Electric Power Systems,2015,39(9):82-87.
[6]Bloemink J M,Green T C.Increasing photovoltaic penetration with local energy storage and soft normally-open points[C]//2011 IEEE Power and Energy Society General Meeting,Detroit,MI,USA,2011,DOI:10.1109/PES.2011.6039561.
[7]何湘宁,宗升,吴建德,等.配电网电力电子装备的互联与网络化技术[J].中国电机工程学报,2014,34(29):5162-5170.He Xiangning,Zong Sheng,Wu Jiande,et al.Technologies of power electronic equipment interconnecting and networking in distribution grids[J].Proceedings of the CSEE,2014,34(29):5162-5170.
[8]Bloemink J M,Green T C.Benefits of distributionlevel power electronics for supporting distributed generation growth[J].IEEE Transactions on Power Delivery,2013,28(2):911-919.
[9]王成山,宋关羽,李鹏,等.基于智能软开关的智能配电网柔性互联技术及展望[J].电力系统自动化,2016,40(22):168-175.Wang Chengshan,Song Guanyu,Li Peng,et al.Research and prospect for soft open point based flexible interconnection technology for smart distribution network[J].Automation of Electric Power Systems,2016,40(22):168-175.
[10]蒋桂强.背靠背电压源型变流器的控制器设计及性能分析[D].吉林:东北电力大学,2009.
[11]Peng Fangzheng,Lai Jinsheng.Generalized instantaneous reactive power theory for three-phase power systems[J].IEEE Transactions on Instrumentation and Measurement,1996,45(1):293-297.
[12]贾冠龙,李冬辉,姚乐乐.改进有限集模型预测控制策略在三相级联并网逆变器中的应用[J].电网技术,2017,41(1):245-250.Jia Guanlong,Li Donghui,Yao Lele.An improved finite control set model predictive control strategy in the three-phase cascade grid inverter[J].Power System Technology,2017,41(1):245-250.
[13]严干贵,李军徽,蒋桂强,等.背靠背电压源型变流器的非线性解耦矢量控制[J].电工技术学报,2010,25(5):129-135.Yan Gangui,Li Junhui,Jiang Guiqiang,et al.Nonlinear decoupled-vector control of back-to-back voltage source converter[J].Transactions of China Electrotechnical Society,2010,25(5):129-135.
[14]沈阳武,彭晓涛,孙元章.背靠背双PWM变流器的协调控制策略[J].电网技术,2012,36(1):146-152.Shen Yangwu,Peng Xiaotao,Sun Yuanzhang.Study on cooperative control strategies of back-to-back dual-PWM converter[J].Power System Technology,2012,36(1):146-152.
[15]Shu huili,Tinothy A H.Analysis of decoupled d-q vector control in DFIF back to back PWMconverter[C]//IEEE Securing New Sources of Energy,Florida,USA,2007:1-7.
[16]宗鸣,吴桐,王大朋.高速电机用混合式径向磁轴承前馈解耦控制[J].电工技术学报,2015,30(14):539-544.Zong Ming,Wu Tong,Wang Dapeng.Feed-forward compensation decoupling control for hybrid radial magnetic bearing used in high speed electric machine[J].Transactions of China Electrotechnical Society,2015,30(14):539-544.
[17]丁明,田龙刚,潘浩,等.交直流混合微电网运行控制策略研究[J].电力系统保护与控制,2015,43(9):1-8.Ding Ming,Tian Longgang,Pan Hao,et al.Research on control strategy of hybrid AC/DC microgrid[J].Power System Protection and Control,2015,43(9):1-8.
[18]Li Shijie,Li Yaohua.A novel fast current-control method for the back-to-back converters[C]//2004IEEE International Conference on Industrial Technology,Hammamet,Tunisia,2004,1:351-357.
[19]贾冠龙.基于三相级联并网逆变器的控制策略研究[D].天津:天津大学,2017.
[20]Guan Minyuan,Xu Zheng.Modeling and control of a modular multilevel converter-based HVDC system under unbalanced grid conditions[J].IEEE Transactions on Power Electronics,2012,27(12):4858-4867.
[2]王成山,李鹏.分布式发电、微网与智能配电网的发展与挑战[J].电力系统自动化,2010,34(2):10-14,23.Wang Chengshan,Li Peng.Development and challenges of distributed generation,the micro-grid and smart distribution system[J].Automation of Electric Power Systems,2010,34(2):10-14,23.
[3]D'Adamo C,Jupe S,Abbey C.Global survey on planning and operation of active distribution networks-update of CIGRE C6.11 working group activities[C]//CIRED 2009.IET 20th International Conference and Exhibition on Electricity DistributionPart 1,Prague,Czech Republic,2009:1-4.
[4]Bloemink J M,Green T C.Increasing distributed generation penetration using soft normally-open points[C]//2010 IEEE Power and Energy Society General Meeting,Detroit,Providence,RI,USA,2010:DOI:10.1109/PES.2010.5589629.
[5]王成山,孙充勃,李鹏,等.基于SNOP的配电网运行优化及分析[J].电力系统自动化,2015,39(9):82-87.Wang Chengshan,Sun Chongbo,Li Peng,et al.SNOP-based operation optimization and analysis of distribution networks[J].Automation of Electric Power Systems,2015,39(9):82-87.
[6]Bloemink J M,Green T C.Increasing photovoltaic penetration with local energy storage and soft normally-open points[C]//2011 IEEE Power and Energy Society General Meeting,Detroit,MI,USA,2011,DOI:10.1109/PES.2011.6039561.
[7]何湘宁,宗升,吴建德,等.配电网电力电子装备的互联与网络化技术[J].中国电机工程学报,2014,34(29):5162-5170.He Xiangning,Zong Sheng,Wu Jiande,et al.Technologies of power electronic equipment interconnecting and networking in distribution grids[J].Proceedings of the CSEE,2014,34(29):5162-5170.
[8]Bloemink J M,Green T C.Benefits of distributionlevel power electronics for supporting distributed generation growth[J].IEEE Transactions on Power Delivery,2013,28(2):911-919.
[9]王成山,宋关羽,李鹏,等.基于智能软开关的智能配电网柔性互联技术及展望[J].电力系统自动化,2016,40(22):168-175.Wang Chengshan,Song Guanyu,Li Peng,et al.Research and prospect for soft open point based flexible interconnection technology for smart distribution network[J].Automation of Electric Power Systems,2016,40(22):168-175.
[10]蒋桂强.背靠背电压源型变流器的控制器设计及性能分析[D].吉林:东北电力大学,2009.
[11]Peng Fangzheng,Lai Jinsheng.Generalized instantaneous reactive power theory for three-phase power systems[J].IEEE Transactions on Instrumentation and Measurement,1996,45(1):293-297.
[12]贾冠龙,李冬辉,姚乐乐.改进有限集模型预测控制策略在三相级联并网逆变器中的应用[J].电网技术,2017,41(1):245-250.Jia Guanlong,Li Donghui,Yao Lele.An improved finite control set model predictive control strategy in the three-phase cascade grid inverter[J].Power System Technology,2017,41(1):245-250.
[13]严干贵,李军徽,蒋桂强,等.背靠背电压源型变流器的非线性解耦矢量控制[J].电工技术学报,2010,25(5):129-135.Yan Gangui,Li Junhui,Jiang Guiqiang,et al.Nonlinear decoupled-vector control of back-to-back voltage source converter[J].Transactions of China Electrotechnical Society,2010,25(5):129-135.
[14]沈阳武,彭晓涛,孙元章.背靠背双PWM变流器的协调控制策略[J].电网技术,2012,36(1):146-152.Shen Yangwu,Peng Xiaotao,Sun Yuanzhang.Study on cooperative control strategies of back-to-back dual-PWM converter[J].Power System Technology,2012,36(1):146-152.
[15]Shu huili,Tinothy A H.Analysis of decoupled d-q vector control in DFIF back to back PWMconverter[C]//IEEE Securing New Sources of Energy,Florida,USA,2007:1-7.
[16]宗鸣,吴桐,王大朋.高速电机用混合式径向磁轴承前馈解耦控制[J].电工技术学报,2015,30(14):539-544.Zong Ming,Wu Tong,Wang Dapeng.Feed-forward compensation decoupling control for hybrid radial magnetic bearing used in high speed electric machine[J].Transactions of China Electrotechnical Society,2015,30(14):539-544.
[17]丁明,田龙刚,潘浩,等.交直流混合微电网运行控制策略研究[J].电力系统保护与控制,2015,43(9):1-8.Ding Ming,Tian Longgang,Pan Hao,et al.Research on control strategy of hybrid AC/DC microgrid[J].Power System Protection and Control,2015,43(9):1-8.
[18]Li Shijie,Li Yaohua.A novel fast current-control method for the back-to-back converters[C]//2004IEEE International Conference on Industrial Technology,Hammamet,Tunisia,2004,1:351-357.
[19]贾冠龙.基于三相级联并网逆变器的控制策略研究[D].天津:天津大学,2017.
[20]Guan Minyuan,Xu Zheng.Modeling and control of a modular multilevel converter-based HVDC system under unbalanced grid conditions[J].IEEE Transactions on Power Electronics,2012,27(12):4858-4867.