基于PSCAD的同杆线路零序互感对接地测量阻抗影响仿真分析  

Simulation Analysis of the Influence of Zero Sequence Mutual Inductance on Grounding Measurement Impedance of Lines on the Same Tower Based on PSCAD

作　　者：田创新 王锋 Tian Chuang-xin;Wang Feng

机构地区：[1]中石油玉门油田公司水电厂,甘肃酒泉735000

出　　处：《电力系统装备》2021年第8期186-188,共3页Electric Power System Equipment

摘　　要：文章对同杆共端双回线路在同时运行方式下零序互感对距离保护接地测量阻抗的影响进行了分析。在PSCAD上建立同杆共端双回线路的模型,对同杆共端双回线路在同时运行方式下的短路接地故障进行了仿真。This paper analyzes the influence of zero sequence mutual inductance on the grounding measurement impedance of distance protection for double circuit transmission lines on the same tower under the mode of simultaneous operation.Based on PSCAD,the model of double circuit transmission line with common terminal on the same tower is established,and the short-circuit grounding fault of double circuit transmission line with common terminal on the same tower is simulated.

关 键 词：同杆双回线路 零序互感 接地测量阻抗仿真 

分 类 号：TM721.3[电气工程—电力系统及自动化] TM712