Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP6007276ApriorityCriticalpatent/JPS52143468A/en
Publication of JPS52143468ApublicationCriticalpatent/JPS52143468A/en
PURPOSE: To protect trip coil by over current due to condenser short-circuit, by inserting disconnecting device of circuit with condenser in series, and breaking abnormal current due to condenser short-circuit disconnecting device.
COPYRIGHT: (C)1977,JPO&Japio
JP6007276A1976-05-261976-05-26Control circuit of switchgear device
PendingJPS52143468A
(en)