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中文摘要：
针对两端带并联电抗器补偿的长距离输电线路的功率损耗问题，以长距离输电线路等效电路与并联电抗器无功补偿容量分析为基础，分析了空载时线路电流电压分布。获得了两端安装并联电抗器条件下，传输功率变化时，不同长度的超高压500 kV线路功率损耗变化的数值模拟曲线。分析结果表明：随着传输功率的增大，线路的功率损耗相对值随之增大；两并联电抗器的线路间隔长度增大，线路功率损耗相对值也将有所增加。
英文摘要：
In order to study power losses in long distance transmission line with shunt reactor com-pensation at two ends of the line,the voltage and current distribution at no-load over the line with shunt reactors compensation are analyzed carefully based on long linesπ-type equivalent circuit and the capacity analysis of reactive power compensation.And the numerical results of power loss via the different lines of 500 kV transmission lines arranged at both ends of controllable shunt re-actor are obtained finally when transferring power is changed.The results of simulation show that relative power losses in long distance transmission line increases with the increase in transferring power and the distance between shunt reactors.
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