摘要
作为我国高压输电的首要选择,同塔多回线路不仅能够极大节约输电走廊通道,降低电力系统的建设成本,还能够有效提高土地的利用效率和输电容量,其线路的稳定性、安全性是保证国家、社会经济发展的重要基石。然而因其回线之间的距离较小,导线数量较多且运行方式多样,存在着更为复杂的电磁互感影响,这给解耦步骤提出了更高的要求。分析探讨了220 kV同塔多回线路中的耦合效应,便于后续的故障分析与判断等工作的顺利开展。
As the primary choice of high-voltage transmission in China,the multi-loop line of the same tower can not only greatly save the transmission corridor channel,lower the construction cost of power system,but also effectively improve the land use efficiency and transmission capacity,and the stability and safety of the line are an important cornerstone to ensure the national and social and economic development.However,due to the small distance between the loops,the number of wires is large and the diverse operation modes,there are more complex electromagnetic mutual inductance,which puts higher demands on the decoupling step.This paper mainly analyzes and discusses the coupling effect in the 220 kV multi-loop line with the tower,to carry out the smooth development of subsequent fault analysis and judgment.
作者
赵灿
ZHAO Can(Sichuan Yunneng Electric Power&Hydro Power Engineering Consulting Co.,Ltd.,Chengdu 610000,China)
出处
《通信电源技术》
2023年第6期60-62,共3页
Telecom Power Technology
