摘要
通过试验分析验证串级直流开关保护动作是否满足选择性要求,防止因开关选型有误造成越级跳闸事故的发生,同时可诊断直流开关的健康运行状况,保障直流系统安全稳定运行。
Testify trip action of DC breakers in series is satisfied or not, with the requirement of optional protection, find out problems in operating DC breaker, ensuring the DC system operating in safety.
出处
《山东电力技术》
2013年第5期56-59,共4页
Shandong Electric Power
关键词
直流空气开关
级差配合
安秒特性
越级跳闸
DC air breaker
stage difference coordination: ampere-second characteristic
leapfrog tripping