变压器限时速断保护的加装和整定分析  

Installation and setting analysis of time-limited quick-break protection for transformer

作　　者：王义平[1] 向辉[1] 张明昭[1] 

机构地区：[1]湖北省电力公司荆门供电公司,湖北荆门448000

出　　处：《电力系统保护与控制》2009年第9期126-128,134,共4页Power System Protection and Control

摘　　要：阐述了110 kV变压器中低压侧加装限时速断保护的必要性,并以实例进行保护定值整定分析,提出了加装限时速断保护后出线保护定值整定优化原则,对地区电网变压器保护的配置和整定有很强的参考价值。This paper elaborates the necessity to install time-limited quick-break protection in low-pressure side of the 110 kV transformer, illustrates the setting analysis of protection setting value, and provides the optimal principle.It is a reference for the configuration and setting of transformer protection in local electric network.

关 键 词：变压器 限时速断 加装 整定分析 

分 类 号：TM772[电气工程—电力系统及自动化]