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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP7349177ApriorityCriticalpatent/JPS547511A/en
Publication of JPS547511ApublicationCriticalpatent/JPS547511A/en
Maintenance And Inspection Apparatuses For Elevators
(AREA)
Motor And Converter Starters
(AREA)
Abstract
PURPOSE: To report a fault by means of the operation of this circuit by detecting the that an electromagnetic contactor cannot be opened during the operation of ▵ in Y and ▵ induction motors and setting up a fault detection circuit to generate operation control signals.
COPYRIGHT: (C)1979,JPO&Japio
JP7349177A1977-06-211977-06-21Induction motor starter
PendingJPS547511A
(en)