郑超;

• 1:中国电力科学研究院

摘要(Abstract)：

随着风电并网容量的快速增长,风机脱网已成为电网安全运行的重要威胁,故障清除后恢复过程中出现的高电压则是引发风机脱网的重要因素之一。针对风电场广泛应用的静止无功补偿器(static var compensator,SVC),详细解析了其电压无功暂态响应轨迹的特征,揭示了SVC所具有的"错位补偿"效应及其引发风机高电压脱网的原理,并分析了电压扰动速率、SVC控制参数和触发延迟时间对"错位补偿"效应的影响。在此基础上,提出了SVC变参数控制策略和紧急闭锁控制策略。实际风电场的仿真结果验证了控制策略缓解风机高电压脱网的有效性。

关键词(KeyWords)： 风电场;高电压脱网;静止无功补偿器;无功电压轨迹;错位补偿效应;控制策略

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郑超;

Email:

DOI: 10.13335/j.1000-3673.pst.2016.09.024

参考文献(References)：

• [1]刘振亚.全球能源互联网[M].北京:中国电力出版社,2015:72-78.
• [2]刘振亚.中国电力与能源[M].北京:中国电力出版社,2012:65-70.
• [3]张丽英,叶廷路,辛耀中,等.大规模风电接入电网的相关问题及措施[J].中国电机工程学报,2010,30(25):1-9.Zhang Liying,Ye Tinglu,Xin Yaozhong,et al.Problems and measures of power grid accommodating large scale wind power[J].Proceedings of the CSEE,2010,30(25):1-9(in Chinese).
• [4]孙华东,张振宇,林伟芳,等.2011年西北电网风机脱网事故分析及启示[J].电网技术,2012,36(10):76-80.Sun Huadong,Zhang Zhenyu,Lin Weifang,et al.Analysis on serious wind turbine generators tripping accident in Northwest China Power Grid in 2011 and its lessons[J].Power System Technology,2012,36(10):76-80(in Chinese).
• [5]李丹,贾琳,许晓菲,等.风电机组脱网原因及对策分析[J].电力系统自动化,2011,35(22):41-44.Li Dan,Jia Lin,Xu Xiaofei,et al.Cause and countermeasure analysis on wind turbines’trip-off from grid[J].Automation of Electric Power Systems,2011,35(22):41-44(in Chinese).
• [6]崔杨,严干贵,孟磊,等.双馈感应风电机组异常脱网及其无功需求分析[J].电网技术,2011,35(1):158-163.Cui Yang,Yan Gangui,Meng Lei,et al.Analysis on abnormal disconnection of doubly fed induction generator wind turbines from power grid and its demand on reactive power[J].Power System Technology,2011,35(1):158-163(in Chinese).
• [7]穆钢,王健,严干贵,等.双馈型风电机群近满载工况下连锁脱网事件分析[J].电力系统自动化,2011,35(22):35-40.Mu Gang,Wang Jian,Yan Gangui,et al.Cascading trip-off of doubly-fed induction generators from grid at near full-load condition in a wind farm[J].Automation of Electric Power Systems,2011,35(22):35-40(in Chinese).
• [8]徐峰达,郭庆来,孙宏斌,等.多风电场连锁脱网过程分析与仿真研究[J].电网技术,2014,38(6):1425-1431.Xu Fengda,Guo Qinglai,Sun Hongbin,et al.Analysis and simulation research on cascading trips of multiple wind farms[J].Power System Technology,2014,38(6):1425-1431(in Chinese).
• [9]李辉,付博,杨超,等.双馈风电机组低电压穿越的无功电流分配及控制策略改进[J].中国电机工程学报,2012,32(22):24-31.Li Hui,Fu Bo,Yang Chao,et al.Reactive current allocation and control strategies improvement of low voltage ride though for doubly feed induction wind turbine generation system[J].Proceedings of the CSEE,2012,32(22):24-21(in Chinese).
• [10]王健,严干贵,郑超,等.双馈风电机组低电压穿越参考功率优化整定[J].电网技术,2015,39(10):2772-2779.Wang Jian,Yan Gangui,Zheng Chao,et al.Analysis and simulation research on cascading trips of multiple wind farms[J].Power System Technology,2015,39(10):2772-2779(in Chinese).
• [11]谭伦农,王肖,陈武晖,等.双馈风电机组不对称故障穿越性能优化[J].电网技术,2014,38(12):3502-3508.Tan Lunnong,Wang Xiao,Chen Wuhui,et al.Optimation for capability of asymmetrical fault ride through of DFIG[J].Power System Technology,2014,38(12):3502-3508(in Chinese).
• [12]徐海亮,章玮,陈建生,等.考虑动态无功支持的双馈风电机组高电压穿越控制策略[J].中国电机工程学报,2013,33(36):112-119,16.Xu Hailiang,Zhang Wei,Chen Jiansheng,et al.A high-voltage ride-through control strategy for DFIG based wind turbines considering dynamic reactive power support[J].Proceedings of the CSEE,2013,33(36):112-119,16(in Chinese).
• [13]王伟,徐殿国,王琦,等.大规模并网风电场的无功电压紧急控制策略[J].电力系统自动化,2013,37(22):8-14.Wang Wei,Xu Dianguo,Wang Qi,et al.Reactive voltage emergency control strategy for large-scale wind farm integration[J].Automation of Electric Power Systems,2013,37(22):8-14(in Chinese).
• [14]谢欢,吴涛,赵亚清,等.计及动态无功控制影响的风电汇集地区高电压脱网原因分析[J].电力系统自动化,2015,39(4):19-25.Xie Huan,Wu Tao,Zhao Yaqing,et al.Analysis on high-voltage trip-off causation of dense wind power areas considering impact of dynamic reactive power control[J].Automation of Electric Power Systems,2015,39(4):19-25(in Chinese).
• [15]吕清洁,徐政,李晖,等.动态无功补偿对风电场暂态电压的影响及控制策略[J].电力建设,2015,36(8):122-129.LüQingjie,Xu Zheng,Li Hui,et al.Effects of dynamic reactive power compensation on wind farm transient voltage and its control strategy research[J].Electric Power Construction,2015,36(8):122-129(in Chinese).
• [16]杨勇,秦睿,拜润卿,等.动态无功补偿装置在酒泉地区风电场的优化应用[J].电网与清洁能源,2012,28(4):81-85.Yang Yong,Qin Rui,Bai Ruiqing,et al.Optimizing application of dynamic reactive power compensation devices in Jiuquan wind farms[J].Power System and Clean Energy,2012,28(4):81-85(in Chinese).