摘要
目前,科技不断创新,社会持续发展。为紧跟时代步伐,电网企业非常注重电网的运营,但是其中仍然存在一些问题。因此,通过探讨220 kV典型保护死区问题,在断路器两端各自安装一组CT,并将低电压闭锁功能增加于两侧,以缩小故障产生后事故的影响范围。
At present,science and technology continue to innovate,social sustainable development,in order to keep pace with the times,power grid enterprises attach great importance to the operation of the grid,but there are still some problems.Therefore,by discussing the 220 kV typical protection dead zone problem,a set of CT was installed at both ends of the circuit breaker,and the low-voltage locking function was added to the protection on both sides,thus reducing the scope of the accident after the failure.
作者
黄诗荔
HUANG Shi-li(Substation Management Office of Zhanjiang Power Supply Bureau of Guangdong Power Grid Co.,Ltd,Zhanjiang 524000,China)
出处
《通信电源技术》
2018年第12期233-234,共2页
Telecom Power Technology
关键词
断路器
保护死区
CT
circuit breaker
protecting dead zones
CT
