WANG Li-rong, LI Xin, HE Zhi-qiang, et al. Simulating and analysis of source selecting for 500 kV Paichang Ⅱ line no-load switching test[J]. 2014, 34(1): 12-15.
WANG Li-rong, LI Xin, HE Zhi-qiang, et al. Simulating and analysis of source selecting for 500 kV Paichang Ⅱ line no-load switching test[J]. 2014, 34(1): 12-15.DOI:
500kV牌长Ⅱ线空载投切试验方案选取仿真分析
摘要
根据500 kV牌长Ⅱ线接线方式和线路参数
计算空载长线工频过电压升高倍数
利用电磁暂态仿真软件ATP
建立500 kV牌长Ⅱ线的仿真模型
仿真不同运行方式下的工频电压升高和操作过电压倍数
结合仿真结果和试验情况
提出最佳的试验方案。
Abstract
Based on wring mode and line parameters of 500 kV Paichang Ⅱ
this papers computes power frequency over-voltage rising times of no-load long line
then builds simulation model of 500 kV Paichang Ⅱ line and simulates power frequency voltage rising and switching over-voltage times in different operation mode by electromagnetic transient simulation software ATP. Combining simulation results and test situation