固态限流器对电力系统暂态稳定性的影响
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摘要
为了限制电网中的短路电流,目前常采用限流器装置,但相关文献多关注限流器本身的可靠性及其性能,为此,以单机无穷大系统为理论分析模型,从系统暂态稳定的角度,详细分析了限流器的投入对电力系统产生的影响,并且探讨了故障发生在不同位置及投入不同限流电抗时系统稳定性的改变趋势。分别以单机无穷大系统和新英格兰10机39节点系统为例进行仿真,验证了在合适位置投入限流器可以对电力系统的暂态稳定产生积极的作用。
For restraining short-circuit current in power grid,it is commonly using current limiter at present,but those related documents are concentrating on reliability and performance of the current limiter.Therefore,this paper takes single-machine infinite bus system as theoretical analysis model to analyze impact on power system by the limiter from the angle of transient stability of the system.In addition,it discuses changing trend of stability of the system when the fault is occurring at different places or when inputting different current-limiting reactance.It takes single-machine infinite bus system and New England 10-machine and 39-node system for simulation in order to verify active role of current limiter at proper place for transient stability of the system.
For restraining short-circuit current in power grid,it is commonly using current limiter at present,but those related documents are concentrating on reliability and performance of the current limiter.Therefore,this paper takes single-machine infinite bus system as theoretical analysis model to analyze impact on power system by the limiter from the angle of transient stability of the system.In addition,it discuses changing trend of stability of the system when the fault is occurring at different places or when inputting different current-limiting reactance.It takes single-machine infinite bus system and New England 10-machine and 39-node system for simulation in order to verify active role of current limiter at proper place for transient stability of the system.
引文
[1]孙奇珍,蔡泽祥,李爱民,等.500 kV电网短路电流超标机理及限制措施适应性[J].电力系统自动化,2009,33(21):92-96.SUN Qizhen,CAI Zexiang,LI Aimin,et al.Short-circuit Current Over-limited Mechanism of 500 kV Power System and the Adaptability of Limiting Measures[J].Automation of Electric Power Systems,2009,33(21):92-96.
[2]刘凯,陈红坤,林军,等.故障限流器在电力系统中应用研究现状[J].电力系统保护与控制,2010,38(7):147-151.LIU Kai,CHEN Hongkun,LIN Jun,et al.Study Situation of Applications of Fault Current Limiter in Power System[J].Power System Protection and Control,2010,38(7):147-151.
[3]陈旭.关于建设坚强广东电网的若干建议[J].电网技术,2004,28(24):61-64.CHEN Xu.Some Suggestions on Constructing Strong Guangdong Power Network[J].Power System Technology,2004,28(24):61-64.
[4]叶幼君,鲍爱霞,程云志.浙江500 kV电网短路电流的控制[J].华东电力,2006,34(3):10-15.YE Youjun,BAO Aixia,CHENG Yunzhi.Control of Shortcircuit Current for Zhejiang500 kV Power Grids[J].East China Electric Power.2006,34(3):10-15.
[5]江道灼,毛航银,敖志香,等.串联谐振式限流器的仿真研究[J].电力系统保护与控制,2010,38(23):153-158.JIANG Daozhuo,MAO Hangyin,AO Zhixiang,et al.Simulation Study of Series Resonance Type Fault Current Limiter[J].Power System Protection and Control,2010,38(23):153-158.
[6]陈刚,江道灼,吴兆麟.固态短路限流器的研究与发展[J].电力系统自动化,2003,27(10):89-94.CHEN Gang,JIANG Daozhuo,WU Zhaolin.Research and Development of Solid State Fault Current Limiter[J].Automation of Electric Power Systems,2003,27(10):89-94.
[7]吴峰,郑建勇,梅军,等.用于故障限流与电能补偿的多换流器式统一电能质量调节器[J].电力系统保护与控制,2011,39(7):32-37.WU Feng,ZHENG Jianyong,MEI Jun,et al.Multiconverterunified Power Quality Conditioner for Fault Current Limitation and Power Compensation[J].Power System Protection and Control,2011,39(7):32-37.
[8]TSUDA M,WLITANI Y,TSUJI K,et al.Application of Resistor Based Superconducting Fault Current Limiter to Enhancement of Power System Transient Stability[J].IEEE Trans.on Applied Superconductivity,2011,11(1):2122-2125.
[9]SHIRAI Y,FURUSHIBA K,SHOUNO Y,et al.Improvement of Power System Stability by Use of Superconducting Fault Current Limiter with ZnO Device and Resistor in Parallel[J].IEEE Trans.on Applied Superconductivity,2008,18(2):680-683.
[10]YUCHENG Z,DOUGAL R A.Determining Critical Activation Time of Inductive Fault Current Limiters in Electric Power Systems[C]∥Proceedings of Power Systems Conference and Exposition(PSCE),USA:IEEE Press,2011:1-6.
[2]刘凯,陈红坤,林军,等.故障限流器在电力系统中应用研究现状[J].电力系统保护与控制,2010,38(7):147-151.LIU Kai,CHEN Hongkun,LIN Jun,et al.Study Situation of Applications of Fault Current Limiter in Power System[J].Power System Protection and Control,2010,38(7):147-151.
[3]陈旭.关于建设坚强广东电网的若干建议[J].电网技术,2004,28(24):61-64.CHEN Xu.Some Suggestions on Constructing Strong Guangdong Power Network[J].Power System Technology,2004,28(24):61-64.
[4]叶幼君,鲍爱霞,程云志.浙江500 kV电网短路电流的控制[J].华东电力,2006,34(3):10-15.YE Youjun,BAO Aixia,CHENG Yunzhi.Control of Shortcircuit Current for Zhejiang500 kV Power Grids[J].East China Electric Power.2006,34(3):10-15.
[5]江道灼,毛航银,敖志香,等.串联谐振式限流器的仿真研究[J].电力系统保护与控制,2010,38(23):153-158.JIANG Daozhuo,MAO Hangyin,AO Zhixiang,et al.Simulation Study of Series Resonance Type Fault Current Limiter[J].Power System Protection and Control,2010,38(23):153-158.
[6]陈刚,江道灼,吴兆麟.固态短路限流器的研究与发展[J].电力系统自动化,2003,27(10):89-94.CHEN Gang,JIANG Daozhuo,WU Zhaolin.Research and Development of Solid State Fault Current Limiter[J].Automation of Electric Power Systems,2003,27(10):89-94.
[7]吴峰,郑建勇,梅军,等.用于故障限流与电能补偿的多换流器式统一电能质量调节器[J].电力系统保护与控制,2011,39(7):32-37.WU Feng,ZHENG Jianyong,MEI Jun,et al.Multiconverterunified Power Quality Conditioner for Fault Current Limitation and Power Compensation[J].Power System Protection and Control,2011,39(7):32-37.
[8]TSUDA M,WLITANI Y,TSUJI K,et al.Application of Resistor Based Superconducting Fault Current Limiter to Enhancement of Power System Transient Stability[J].IEEE Trans.on Applied Superconductivity,2011,11(1):2122-2125.
[9]SHIRAI Y,FURUSHIBA K,SHOUNO Y,et al.Improvement of Power System Stability by Use of Superconducting Fault Current Limiter with ZnO Device and Resistor in Parallel[J].IEEE Trans.on Applied Superconductivity,2008,18(2):680-683.
[10]YUCHENG Z,DOUGAL R A.Determining Critical Activation Time of Inductive Fault Current Limiters in Electric Power Systems[C]∥Proceedings of Power Systems Conference and Exposition(PSCE),USA:IEEE Press,2011:1-6.