JPS5360019A - Commutation failure protecting device - Google Patents

Commutation failure protecting device

Info

Publication number
JPS5360019A
JPS5360019A JP13410676A JP13410676A JPS5360019A JP S5360019 A JPS5360019 A JP S5360019A JP 13410676 A JP13410676 A JP 13410676A JP 13410676 A JP13410676 A JP 13410676A JP S5360019 A JPS5360019 A JP S5360019A
Authority
JP
Japan
Prior art keywords
protecting device
commutation failure
failure protecting
chopper circuit
circuit
Prior art date
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.)
Pending
Application number
JP13410676A
Other languages
Japanese (ja)
Inventor
Hideaki Rokutan
Masaki Kawai
Seiki Kikuchi
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 Ltd filed Critical Hitachi Ltd
Priority to JP13410676A priority Critical patent/JPS5360019A/en
Publication of JPS5360019A publication Critical patent/JPS5360019A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: To permit a drive unit to again become capable of running by releasing a locking circuit by returning an FR acceleration switch to neutral if a chopper circuit erroneously operates an FR contactor to cause the chopper circuit to become nonconductive.
COPYRIGHT: (C)1978,JPO&Japio
JP13410676A 1976-11-10 1976-11-10 Commutation failure protecting device Pending JPS5360019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13410676A JPS5360019A (en) 1976-11-10 1976-11-10 Commutation failure protecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13410676A JPS5360019A (en) 1976-11-10 1976-11-10 Commutation failure protecting device

Publications (1)

Publication Number Publication Date
JPS5360019A true JPS5360019A (en) 1978-05-30

Family

ID=15120581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13410676A Pending JPS5360019A (en) 1976-11-10 1976-11-10 Commutation failure protecting device

Country Status (1)

Country Link
JP (1) JPS5360019A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133801A (en) * 1986-11-25 1988-06-06 Hitachi Ltd Electric rolling stock controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63133801A (en) * 1986-11-25 1988-06-06 Hitachi Ltd Electric rolling stock controller

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