国家风光储示范电站黑启动中风机启动失败原因及对策分析
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摘要
对风光储电站黑启动的试验过程中风机并网过程进行了分析。首先,重点分析了风机启动造成储能变流器跳闸的原因,并对风机参与黑启动的过程进行了仿真验证,指出由于风机缺少恰当的软启动过程,导致启动过电流,使得黑启动失败;然后,提出了风机参与黑启动过程中直流电压软启动的控制策略;最后,通过仿真对所提控制策略进行了验证,表明所提方法能够很好地避免风机变流器的启动过电流问题。
The grid-connection process of wind turbine during the black-start of a wind / photovoltaic / energystorage station is analyzed. The cause of energy-storage converter trip due to the wind turbine startup is emphatically analyzed and the black-start process with wind turbine is simulated,which verifies that,the wind turbine startup overcurrent due to the lack of proper soft-startup process results in the black-start failure. The control strategy for the soft-startup of DC voltage is proposed for the black-start with wind turbine,which is verified by simulation,showing that the startup overcurrent of wind turbine converter is effectively avoided.
The grid-connection process of wind turbine during the black-start of a wind / photovoltaic / energystorage station is analyzed. The cause of energy-storage converter trip due to the wind turbine startup is emphatically analyzed and the black-start process with wind turbine is simulated,which verifies that,the wind turbine startup overcurrent due to the lack of proper soft-startup process results in the black-start failure. The control strategy for the soft-startup of DC voltage is proposed for the black-start with wind turbine,which is verified by simulation,showing that the startup overcurrent of wind turbine converter is effectively avoided.
引文
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[16]李辉,胡姚刚,李洋,等.大功率并网风电机组状态监测与故障诊断研究综述[J].电力自动化设备,2016,36(1):6-16.LI Hui,HU Yaogang,LI Yang,et al.Overview of condition monitoring and fault diagnosis for grid-connected high-power wind turbine unit[J].Electric Power Automation Equipment,2016,36(1):6-16.
[17]李升,卫志农,孙国强,等.大规模光伏发电并网系统电压稳定分岔研究[J].电力自动化设备,2016,36(1):17-23.LI Sheng,WEI Zhinong,SUN Guoqiang,et al.Voltage stability bifurcation of large-scale grid-connected PV system[J].Electric Power Automation Equipment,2016,36(1):17-23.
[2]毛安家,张戈立,吕跃春,等.2011年9月8日美墨大停电事故的分析及其对我国电力调度运行管理的启示[J].电网技术,2012,36(4):74-78.MAO Anjia,ZHANG Geli,L譈Yuechun,et al.Analysis on largescale blackout occurred in South America and North Mexico interconnected power grid on Sept.8,2011 and lessons for electric power dispatching in China[J].Power System Technology,2012,36(4):74-78.
[3]孙磊,张璨,林振智,等.计及电动汽车充电站作为黑启动电源的网架重构优化策略[J].电力系统自动化,2015,39(14):75-81.SUN Lei,ZHANG Can,LIN Zhenzhi,et al.An optimization strategy for network reconfiguration with charging stations of electric vehicles as black-start power sources[J].Automation of Electric Power Systems,2015,39(14):75-81.
[4]梁海平,顾雪平.基于谱聚类的黑启动子系统划分[J].电网技术,2013,37(2):372-377.LIANG Haiping,GU Xueping.Black-start network partitioning based on spectral clustering[J].Power System Technology,2013,37(2):372-377.
[5]朱冬雪,顾雪平,钟慧荣.电力系统大停电后机组恢复的多目标优化方法[J].电网技术,2013,37(3):814-820.ZHU Dongxue,GU Xueping,ZHONG Huirong.A multi-objective optimization method for post-blackout unit restoration[J].Power System Technology,2013,37(3):814-820.
[6]刘映尚,吴文传,冯永青,等.黑启动过程中的负荷恢复[J].电网技术,2007,31(13):17-22.LIU Yingshang,WU Wenchuan,FENG Yongqing,et al.Load recovery during power system blackstart[J].Power System Technology,2007,31(13):17-22.
[7]林济铿,么莉,孟宪朋,等.天津电网黑启动试验研究[J].电网技术,2008,32(5):55-58.LIN Jikeng,YAO Li,MENG Xianpeng,et al.Test research of black start of Tianjin Power Grid[J].Power System Technology,2008,32(5):55-58.
[8]逯怀东,郭志红,王辉,等.基于500 k V网架的电网黑启动试验分析[J].电网技术,2013,37(7):1895-1901.LU Huaidong,GUO Zhihong,WANG Hui,et al.Power system black-start analysis based on 500 k V power grid[J].Power System Technology,2013,37(7):1895-1901.
[9]周世平.湖北电网黑启动试验的实施与思考[J].高电压技术,2007,33(12):115-117.ZHOU Shiping.Practice and discuss of black start test for Hubei Electric Power Network[J].High Voltage Engineering,2007,33(12):115-117.
[10]阮前途,王伟,黄玉,等.基于燃机机组的上海电网黑启动系列试验[J].电网技术,2006,30(2):19-22.RUAN Qiantu,WANG Wei,HUANG Yu,et al.A series of blackstart tests based on gas turbine generators in Shanghai Power Grid[J].Power System Technology,2006,30(2):19-22.
[11]王大江,顾雪平,贾京华.一种扩展黑启动方案恢复效果的评估方法[J].电网技术,2014,38(12):3360-3365.WANG Dajiang,GU Xueping,JIA Jinghua.A method to access restoration effect of extended black-start scheme[J].Power System Technology,2014,38(12):3360-3365.
[12]赵达维,刘天琪,李兴源.基于保险理论的黑启动辅助服务定价方法[J].电力系统自动化,2014,38(13):85-91.ZHAO Dawei,LIU Tianqi,LI Xingyuan.Insurance theory based pricing method for black-start ancillary service[J].Automation of Electric Power Systems,2014,38(13):85-91.
[13]赵达维,刘天琪,李兴源.电力系统恢复控制在线决策方法[J].电网技术,2013,37(10):2761-2770.ZHAO Dawei,LIU Tianqi,LI Xingyuan.An on-line decisionmaking method applicable to power system restoration control[J].Power System Technology,2013,37(10):2761-2770.
[14]林济铿,李童飞,赵子明,等.基于熵权模糊综合评价模型的电力系统黑启动方案评估[J].电网技术,2012,36(2):115-120.LIN Jikeng,LI Tongfei,ZHAO Ziming,et al.Assessment on power system black-start schemes based on entropy-weighted fuzzy comprehensive evaluation model[J].Power System Technology,2012,36(2):115-120.
[15]赵冬梅,张楠,刘燕华,等.基于储能的微网并网和孤岛运行模式平滑切换综合控制策略[J].电网技术,2013,37(2):301-306.ZHAO Dongmei,ZHANG Nan,LIU Yanhua,et al.Synthetical control strategy for smooth switching between grid-connected and islanded operation modes of microgrid based on energy storage system[J].Power System Technology,2013,37(2):301-306.
[16]李辉,胡姚刚,李洋,等.大功率并网风电机组状态监测与故障诊断研究综述[J].电力自动化设备,2016,36(1):6-16.LI Hui,HU Yaogang,LI Yang,et al.Overview of condition monitoring and fault diagnosis for grid-connected high-power wind turbine unit[J].Electric Power Automation Equipment,2016,36(1):6-16.
[17]李升,卫志农,孙国强,等.大规模光伏发电并网系统电压稳定分岔研究[J].电力自动化设备,2016,36(1):17-23.LI Sheng,WEI Zhinong,SUN Guoqiang,et al.Voltage stability bifurcation of large-scale grid-connected PV system[J].Electric Power Automation Equipment,2016,36(1):17-23.