A method for power system reactive power compensation based on power flow tracing

被引：0
|
作者：
机构：
[1] School of Electrical Engineering, Zhejiang University
[2] Hangzhou Electric Power Bureau
来源：
Wu, H. (vuhao@zju.edu.cn) | 1600年 / Automation of Electric Power Systems Press卷 / 36期
关键词：
Power flow tracing; Power loss allocation coefficient; Reactive power compensation; Reactive power distribution;
D O I：
10.3969/j.issn.1000-1026.2012.08.008
中图分类号：
学科分类号：
摘要：
A method for locating and sizing reactive power compensation to improve reactive power transmission and reduce power system losses is proposed. Through reactive power flow tracing, the method identifies the transmission paths of the reactive power load. Using the relationship between reactive power flow and branch active power losses, the method defines the power loss allocation coefficient and selects reactive power compensation points. The expression of the power loss allocation coefficient for the reactive power load is derived, and the formulae for optimal capacities of reactive power compensation are obtained from an approximate model of power loss optimization. The result of 39-bus test system verifies the validity of the method. With the coefficient's clear physical meaning, easy computation process and good performance are obtained in both optimizing reactive power distribution and reducing power losses. © 2012 State Grid Electric Power Research Institute Press.
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页码：45 / 51
页数：6
相关论文
共 17 条
  • [1] Li L., Wang J., Chen L., Et al., Optimal reactive power planning of electrical power system, Proceedings of the CSEE, 19, 2, pp. 66-69, (1999)
  • [2] Liu M., Yang Y., Optimal reactive power planning incorporating steady state voltage stability constraints, Automation of Electric Power Systems, 29, 5, pp. 21-25, (2005)
  • [3] Yao X., Sun Y., Wang Z., Studies on the optimal allocation of reactive power sources, Automation of Electric Power Systems, 23, 3, pp. 12-15, (1999)
  • [4] Etemadi A.H., Fotuhi-Firuzabad M., Distribution system reliability enhancement using optimal capacitor placement, IET Generation, Transmission & Distribution, 2, 5, pp. 621-631, (2008)
  • [5] Bialek J., Tracing the flow of electricity, IEE Proceedings: Generation, Transmission and Distribution, 143, 4, pp. 313-320, (1996)
  • [6] Ma L., Xie K., Zhou J., Et al., A survey of power flow tracing algorithm, Journal of Chongqing University: Natural Science Edition, 27, 7, pp. 45-49, (2004)
  • [7] Liu R., Tang T., Li W., Et al., Research on power flow tracing method considering the direction of bilateral contract power flows, Proceedings of the CSEE, 24, 7, pp. 53-58, (2004)
  • [8] Wang C., Liu Y., Jiang C., Network losses allocation method based on the market equilibrium principle, Automation of Electric Power Systems, 29, 6, pp. 35-38, (2005)
  • [9] Zhao J., Zhao J., Jia H., Et al., Interface power control method based on power flow tracing and generator re-dispatch, Automation of Electric Power Systems, 33, 6, pp. 16-20, (2009)
  • [10] Wei W., Zhang Z., Jia H., Et al., A voltage stability control method based on power flow tracing, Proceedings of the CSEE, 28, 1, pp. 1-5, (2008)
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