500 kV五寨输变电系统启动调试的研究

Study on the Startup and Commissioning of 500 kV Power Transmission and Transformation System

研究了山西电网500 kV五寨输变电系统的启动调试过程。通过理论计算、仿真分析和系统启动实测,分析了五寨输变电系统第一阶段启动调试中的电流向量、工频过电压和操作过电压。结果表明:五寨输变电系统第一阶段启动过程可以顺利完成电流向量检测,工频过电压和操作过电压满足规程要求。该研究过程为500 kV输变电系统的启动调试提供了指导方向和依据。

The startup and commissioning process of 500 kV Wuzhai transmission and transformation system of Shanxi Power Grid was studied.Based on theoretical calculation,simulation analysis and startup test,the current vector,power frequency overvoltage and switching overvoltage in the startup process were analyzed.The researches show that current vector can be measured during the startup process successfully,and power frequency overvoltage and switching overvoltage could meet the demands of regulation.This study provides important direction for the startup and commissioning of 500 kV power transmission and transformation system.