电力系统静态电压稳定极限的分区求解算法A New Calculation Method for Static Voltage Stability Limit of Large-Scale Power System
李传栋;鄂志君;杨金刚;
摘要(Abstract):
提出一种适用于大规模电力系统电压稳定分析的分区并行连续潮流算法,求取静态电压的稳定极限。首先将电力网络划分成由联络线联系起来的若干个子网,子网内部母线的关联性强而与外部网络仅通过少数联络线相连;以子网为收缩节点、联络线为支路构造浓缩网络。进行计算时,通过前向简化形成预估环节的接口方程,同时以浓缩网络的电压为控制电压向量求出控制步长;校正环节通过双向迭代方法交替实现对浓缩网络和收缩节点的牛顿法线性增量方程的求解。对新英格兰系统和我国东北电网的仿真测试结果验证了该方法的可行性。
关键词(KeyWords): 电力系统;连续潮流;双向迭代;浓缩网络;并行计算
基金项目(Foundation):
作者(Author): 李传栋;鄂志君;杨金刚;
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DOI:
参考文献(References):
- [1]周双喜,冯治鸿,杨宁.大型电力系统PV曲线的求取[J].电网技术,1996,20(8):4-8.Zhou Shuangxi,Feng Zhihong,Yang Ning.Seeking PV curves in bulk power system[J].Power System Technology,1996,20(8):4-8(in Chinese).
- [2]Ajjarapu V,Christy C.The continuation power flow:a tool for steady state voltage stability analysis[J].IEEE Trans on Power Systems,1992,7(1):416-423.
- [3]郭瑞鹏,韩祯祥.电压稳定分析的改进连续潮流法[J].电力系统自动化,1997,23(14):13-16.Guo Ruipeng,Han Zhenxiang.An improved continuation power flow method for voltage stability analysis[J].Automation of Electric Power Systems,1997,23(14):13-16(in Chinese).
- [4]杜晓明,赵冬梅.改进连续潮流法追踪PV曲线[J].电网技术,2006,30(增刊):278-281.Du Xiaoming,Zhao Dongmei.An improved continuation power flow tracing PV curve[J].Power System Technology,2006,30(S1):278-281(in Chinese).
- [5]张尧,张建设,袁世强.求取静态电压稳定极限的改进连续潮流法[J].电力系统及其自动化学报,2005,17(2):21-25.Zhang Yao,Zhang Jianshe,Yuan Shiqiang.Improved continuation power flow algorithm for obtaining the limit of static voltage stability[J].Proceedings of the CSU-EPSA,2005,17(2):21-25(in Chinese).
- [6]张芳,宋文南.大型电力系统静态电压稳定极限的求解[J].中国电力,2000,33(4):29-31.Zhang Fang,Song Wennan.Study of static voltage stability limit on large power system[J].Electric Power,2000,33(4):29-31(in Chinese).
- [7]Mori H,Kojima T.Hybrid continuation power flow with linear-nonlinear predictor[C].Power System Technology International Conference,Singapore,2004:969-974.
- [8]张伯明.高等电力网络[M].北京:清华大学出版社,1996:144-165.
- [9]王锡凡,方万良,杜正春.现代电力系统分析[M].北京:科学出版社,2003:432-437.
- [10]姚玉斌,刘莉,陈学允.基于快速分解法的连续潮流法[J].哈尔滨工业大学学报,2000,32(2):128-131.Yao Yubin,Liu Li,Chen Xueyun.Continuation power-flow based on fast decoupled method[J].Journal of Harbin Institute of Technology,2000,32(2):128-131(in Chinese).
- [11]祝达康,程浩忠.求取电力系统PV曲线的改进连续潮流法[J].电网技术,1999,23(4):37-40,48.Zhu Dakang,Cheng Haozhong.An improved continuation method in tracing PV curves of power systems[J].Power System Technology,1999,23(4):37-40,48(in Chinese).
- [12]王庆红,周双喜,胡国根.基于扩展潮流模型的电力系统电压稳定分析[J].电网技术,2002,26(10):25-29.Wang Qinghong,Zhou Shuangxi,Hu Guogen.Power system voltage stability analysis using expanded power flow models[J].Power System Technology,2002,26(10):25-29(in Chinese).
- [13]胡彩娥.应用基于连续潮流算法的遗传算法进行静态电压稳定分析[J].电网技术,2004,28(15):57-61.Hu Caie.Application of continuous power flow based genetic algorithm to analysis of static voltage stability[J].Power System Technology,2004,28(15):57-61(in Chinese).
- [14]苏新民,毛承雄,陆继明.对角块加边模型的并行潮流计算[J].电网技术,2002,26(1):22-25.Su Xinmin,Mao Chengxiong,Lu Jiming.Parallel load flow calculation of block bordered model[J].Power System Technology,2002,26(1):22-25(in Chinese).
- [15]黄彦全,肖建,刘兰,等.基于支路切割方法的电力系统潮流并行协调算法[J].电网技术,2006,30(4):21-25.Huang Yanquan,Xiao Jian,Liu Lan,et al.A coordinational parallel algorithm for power flow calculation based on branch cutting[J].Power System Technology,2006,30(4):21-25(in Chinese).
- [16]陈玉荣,蔡大用.用重叠分块牛顿法计算潮流问题[J].电力系统自动化,2001,25(23):1-3.Chen Yurong,Cai Dayong.Solving load flow equations with overlapped block Newton methods[J].Automation of Electric Power Systems,2001,25(23):1-3(in Chinese).
- [17]哈普.分块法及其在电力系统中的应用[M].丘易涛,译.北京:科学出版社,1987:70-103.
- [18]李传栋,房大中,杨金刚,等.大规模电网并行潮流新算法研究[J].电网技术,2008,32(7):34-39.Li Chuandong,Fang Dazhong,Yang Jingang,et al.New research on parallel power-flow calculation for large-scale power system[J].Power System Technology,2008,32(7):34-39(in Chinese).
- [19]毛承雄,吴增华.电力系统并行仿真计算的一种新算法[J].电网技术,2000,24(3):13-15,65.Mao Chengxiong,Wu Zenghua.A new algorithm of parallel computation of power system simulation[J].Power System Technology,2000,24(3):13-15,65(in Chinese).
- [20]万黎,陈允平,徐箭.基于节点迁移的电力系统并行计算优化分割策略[J].电网技术,2007,31(11):42-48.Wan Li,Chen Yunping,Xu Jian.Node migration based optimized network partitioning strategy for power system parallel computation[J].Power System Technology,2007,31(11):42-48(in Chinese).
- [21]黄彦全,肖建,刘兰,等.基于支路切割方法的电力系统潮流并行协调算法[J].电网技术,2006,30(4):21-25.Huang Yanquan,Xiao Jian,Liu Lan,et al.A coordinational parallel algorithm for power flow calculation based on branch cutting[J].Power System Technology,2006,30(4):21-25(in Chinese).