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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 JP6658876ApriorityCriticalpatent/JPS52150515A/en
Publication of JPS52150515ApublicationCriticalpatent/JPS52150515A/en
PURPOSE: To automatically stop a three-phase induction motor, by such that with output current of each phase in the inverter device detected by every current transformer, and with a voltage combined when going down below a prescribed value, the fault detecting relay be operated.
COPYRIGHT: (C)1977,JPO&Japio
JP6658876A1976-06-091976-06-09Fault detector for inverter
PendingJPS52150515A
(en)