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发明名称
RELAY INSPECTION
摘要
PURPOSE:To detect abnormalities such as disconnection, shortcircuit in auxiliary transformers, current transformers, etc. by applying inspection siganals at normal state and inspecting internal circuits in a transmission line protective relay.
申请公布号
JPS543246(A)
申请公布日期
1979.01.11
申请号
JP19770067946
申请日期
1977.06.10
申请人
HITACHI LTD
发明人
ONO TOSHIO
分类号
G01R31/02;H01H47/00;H02H3/02;H02H3/05
主分类号
G01R31/02
代理机构
代理人
主权项
地址
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