张勇军;张豪;杨雄平;

• 1:华南理工大学电力学院
• 2:广东省电力调度中心

摘要(Abstract)：

针对220 kV变电站单组补偿容量配置偏大、感性与动态无功补偿缺乏引起的电压调控困难问题,提出了220 kV变电站离散与连续相结合的综合无功补偿方案,由一组直接式静止同步补偿器(static synchronous compensator,STATCOM)和采用开关柔性控制技术的并联电容器组组成补偿系统。首先构建了变电站无功补偿调压估算模型和指标——无功超调率,该指标揭示了当前变电站无功补偿配置组数有限和单组容量不宜过大之间的矛盾,使得220 kV变电站采用所提的新型补偿方案成为了解决受端系统的稳态电压控制的精度和暂态电压稳定的超调问题的根本出路。算例表明紧急状态下所提方案能给电网提供有效的动态电压支撑。

关键词(KeyWords)： 变电站;电压调控;动态无功补偿;静止同步补偿器;无功配置

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51147006);; 广东省部产学研项目(2010B090400137)~~

作者(Author): 张勇军;张豪;杨雄平;

Email:

DOI: 10.13335/j.1000-3673.pst.2012.09.009

参考文献(References)：

• [1]Zhang Yongjun,Chen Chao,Li Yong,et al.Dynamic voltage supportplanning for receiving end power systems based on evaluation of stateseparating and transferring risks[J].Electric Power SystemsResearch,2010,80(12):1520-1527.
• [2]艾琳,姜彤,杨以涵.基于节点导纳矩阵形式的在线电压稳定分析[J].中国电机工程学报,2010,30(22):51-56.Ai Lin,Jiang Tong,Yang Yihan.On-line voltage stability analysisbased on bus admittance matrix form[J].Proceedings of the CSEE,2010,30(22):51-56(in Chinese).
• [3]朱永强,崔文进,胡东辰,等.±50Mvar静止补偿器接入系统运行策略仿真研究[J].电力系统自动化,2004,28(21):77-80.Zhu Yongqiang,Cui Wenjin,Hu Dongchen,et al.Simulation studyon the running strategy of the±50 Mvar STATCOM[J].Automation ofElectric Power Systems,2004,28(21):77-80(in Chinese).
• [4]杨银国,李扬絮,李力,等.广东电网春节期间无功电压调控存在的问题与对策[J].电网技术,2007,31(S2):135-138.Yang Yinguo,Li Yangxu,Li Li,et al.Analysis and countermeasuresfor voltage/var control in Guangdong power grid during the period ofSpring Festival[J].Power System Technology,2007,31(S2):135-138(in Chinese).
• [5]黄镔,许婧,程旻,等.220kV及以下电网感性无功补偿容量初探[J].电网技术,2009,33(19):148-151.Huang Bin,Xu Jing,Cheng Min,et al.Preliminary study on theinductive reactive compensation capacity for power grids in 220 kVand lower voltage grades[J].Power System Technology,2009,33(19):148-151(in Chinese).
• [6]陈刚,马爱军,张继红,等.AVC分散控制模式下的变电站电压无功控制研究[J].电网技术,2010,34(12):187-192.Chen Gang,Ma Aijun,Zhang Jihong,et al.Voltage and reactivepower control in substation under decentralized control mode of AVC[J].Power System Technology,2010,34(12):187-192(in Chinese).
• [7]Viawan F A,Daniel Karlsson.Combined local and remote voltage andreactive power control in the presence of induction machinedistributed generation[J].IEEE Transactions on Power System,2007,22(4):2003-2012.
• [8]唐寅生,丁晓群.智能AVC系统的特征和建设研究[J].电网技术,2010,34(10):10-14.Tang Yinsheng,Ding Xiaoqun.Research on features of smart AVCand its construction[J].Power System Technology,2010,34(10):10-14(in Chinese).
• [9]赵伟,罗安,唐杰,等.静止无功发生器与晶闸管投切电容器协同运行混合无功补偿系统[J].中国电机工程学报,2009,29(19):92-98.Zhao Wei,Luo An,Tang Jie,et al.Hybrid var compensator based onthe coordinated operation of STATCOM and TSC[J].Proceedings ofthe CSEE,2009,29(19):92-98(in Chinese).
• [10]胡国文,於锋,王威.STATCOM与固定电容组合的高压异步电动机动态无功补偿节能技术[J].电力自动化设备,2011,31(3):75-78.Hu Guowen,Yu Feng,Wang Wei.Energy-saving technology ofdynamic reactive power compensation based on STATCOM and fixedcapacitor for HV induction motor[J].Electric Power AutomationEquipment,2011,31(3):75-78(in Chinese).
• [11]胡晓艳.动态无功补偿装置在220kV变电所的应用[J].浙江电力,2009(4):60-62.Hu Xiaoyan.Application of STATCOM in 220 kV substation[J].Zhejiang Electric Power,2009(4):60-62((in Chinese)).
• [12]唐寅生,段振国,李先怀,等.对电压合格率定义的商榷[J].供用电,2010,27(3):64-65.Tang Yinsheng,Duan Zhenguo,Li Xianhuai,et al.Discussion aboutthe definition of voltage qualification rate[J].Distribution&Utilization,2010,27(3):64-65(in Chinese).
• [13]李娜.城市电力系统主网无功规划研究[D].天津:天津大学,2007.
• [14]Liu Fugui,Guo Hongyong,Yang Qingxin,et al.An improvedapproach to calculate the dynamic characteristics of permanentmagnetic actuator of vacuum circuit breaker[J].IEEE Transactions onApplied Superconductivity,2004,14(2):1918-1921.