220kV母线不停电方式下母线保护整屏更换技术分析

Technical Analysis of Replacing the Entire Busbar Protection Screen Under the 220 kV Busbar Uninterrupted Power Supply Mode

500kV变电站220kV母线保护更换的形式分为带电更换与全停更换,分析各自的优缺点,就工程实际中的危险点及防范措施进行探讨,为现场工程实际应用提供了参考。

The replacement methods of 220 kV busbar protection in 500 kV substations are divided into two types:uninterrupted replacement and interrupted replacement.This paper analyzes the advantages and disadvantages of each form busbar protection replacement,and provides specific analysis of dangerous points and preventive measures in engineering practice,providing reference for on-site engineering practice.