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发明名称
ELECTRIC ROLLING STOCK PROTECTING DEVICE
摘要
<p>PURPOSE:To prevent a main motor, etc. from damage caused by flash over, etc. by detecting conductivity malfunction of a chopper, and then by driving an auxiliary trip coil by this output.</p>
申请公布号
JPS52145911(A)
申请公布日期
1977.12.05
申请号
JP19760062346
申请日期
1976.05.31
申请人
HITACHI LTD
发明人
KIMURA KIICHI
分类号
H02P3/08;B60L3/04;B60L15/28;H02P7/28
主分类号
H02P3/08
代理机构
代理人
主权项
地址
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