摘　要：在结构保持的多机电力系统拓扑暂态能量函数的基础上,分析故障后暂态能量在网络中的分布变化特点,提出仅依赖电力系统网络局部测量信息的永久性故障重合闸时间的整定方法.该方法可以改善电力系统暂态稳定性,抑制系统振荡.多机实际系统的算例验证了该方法的有效性.
关键词：暂态稳定;最佳重合闸时间;网络暂态能量;输电瓶颈
分类号：TM71 　文献标识码：A
文章编号：1004-9649(2007)08-0026-06

Setting method on the optimal reclosing time for a permanent fault based on network dynamic variables

CAI Guo-wei　 BAI Xian-qing　 XIN Peng　 ZHANG Tao　

作者简介：蔡国伟(1968-),男,吉林人,教授,从事电力系统稳定分析与控制方面的教学和科研工作.E-mail: caigw@mail.nedu.edu.cn
作者单位：蔡国伟（东北电力大学,电气工程学院,吉林,132012）　
　　　　　 白宪庆（东北电力大学,电气工程学院,吉林,132012）　
　　　　　 辛鹏（东北电力大学,电气工程学院,吉林,132012）　
　　　　　 张涛（东北电力大学,电气工程学院,吉林,132012）　

参考文献：

[1]张保会,康小宁,薄志谦.发电厂送出线重合闸时机的优选与捕捉[J].中国电机工程学报,1995,15(3):173-192.ZHANG Bao-hui,KANG xiao-ning,BO Zhi-qian.Optimal auto-closure and its application technique[J].Proceeding of the CSEE,1995,15(3):173-192.
[2]张保会,袁越.最佳重合闸时间及其整定计算[J].中国电力,1995,28(2):12-16.ZHANG Bao-hui,YUAN Yue.Optimal reclosing time and its setting calculation[J].Electric Power,1995,28 (2):12-16.
[3]ABOYTES F,RAMIREZ R.Transient stability assessment in longitudinal power systems using artificial neural networks[J].IEEE Trans.on Power Systems,1996,11 (4):2003-2011.
[4]YU I K,SONG Y H.Wavelet transform and neural network approach to developing adaptive single-pole auto-reclosing schemes for EHV transmission systems[J].IEEE Power Engineering Review,1998,18(12):67-69.
[5]袁宇春,张保会.基于EEAC的重合闸最佳时刻的计算[J].电力系统自动化,1999,23(17):10-12.YUAN Yu-chun,ZHANG Bao-hui.Calculation of the optimal reclosing time based on EEAC[J].Automation of Electric Power Systems,1999,23(17):10-12.
[6]袁宇春,张保会,钱国明.多机电力系统中重合闸最佳时刻的研究(第1部分):瞬时性故障最佳重合时刻的研究[J].电力系统自动化,1998,22(4):16-18.YUAN Yu-chun,ZHANG Bao-hui,QIAN Guo-ming.Study on the optimal reclosing time in multi-machine power system.Part one:study on the optimal reclosing time at instantaneous fault[J].Automation of Electric Power Systems,1998,22 (4):16-18.
[7]袁宇春,张保会,阎海山.多机电力系统中重合闸最佳时刻的研究(第2部分):永久性故障最佳重合时刻的研究[J].电力系统自动化,1998,22(6):46-48.YUAN Yu-chun,ZHANG Bao-hui,YAN Hai-shan.Study on the optimal reclosing time in multi-machine power system.Part two:study on the optimal reclosing time at permanent fault[J].Automation of Electric Power Systems,1998,22 (6):46-48.
[8]CAI Guo-wei,MU GANG,LIU Zhuo,et al.The trajectory based network transient energy evaluation and its application to enhancement of transient stability[C]//Powercon'98,1998,Beijing:1369-1370.
[9]蔡国伟,柳焯,穆钢,等.瞬时性故障最佳重合闸时间的自适应整定方法[J].中国电力,2000,33(1):49-52.CAI Guo-wei,LIU Zhou,MU Gang,et al.Adaptive setting of optimal reclosing time for instantaneous fault[J].Electric Power,2000,33(1):49-52.