500 kV变电站串内电流分布特征研究

Current distribution features within 500 kV substations

在分析变电站主接线各支路接线特点的基础上,构建了变电站串内电流分布计算模型,并对秦山联合开关站的电流分布实测数据进行了模型考核。利用该模型,分析了变电站正常方式、N-1方式、特殊运行方式下的串内电流分布特征,以及系统方式和变电站主接线结构对串内电流分布的影响。

Based on the analysis of every branch connection of the substation main wiring, the model for current distribution calculation within substations was constructed, and was checked by using the measured data on current distribution within Qianshan Switching Station. The model was adopted to analyze the current distribution features within substations under the normal, N-1, and special operation conditions respectively, as well as the influence of system manners and substation main wiring structure on the current distribution within substations.