JPS5438538A - Protective device for synchronous machine - Google Patents

Protective device for synchronous machine

Info

Publication number
JPS5438538A
JPS5438538A JP10487277A JP10487277A JPS5438538A JP S5438538 A JPS5438538 A JP S5438538A JP 10487277 A JP10487277 A JP 10487277A JP 10487277 A JP10487277 A JP 10487277A JP S5438538 A JPS5438538 A JP S5438538A
Authority
JP
Japan
Prior art keywords
synchronous machine
protective device
tripping
lessen
damage
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
JP10487277A
Other languages
Japanese (ja)
Inventor
Yasushi Momochi
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 JP10487277A priority Critical patent/JPS5438538A/en
Publication of JPS5438538A publication Critical patent/JPS5438538A/en
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)

Abstract

PURPOSE: To lessen a damage in the synchronous machine, when an internal fault is caused in the synchronous machine, by such means that with a thyristor converter made in an operation of power inverter as well as with a main breaker made tripping, the field switch be made tripping after a prescribed length of time.
COPYRIGHT: (C)1979,JPO&Japio
JP10487277A 1977-09-02 1977-09-02 Protective device for synchronous machine Pending JPS5438538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10487277A JPS5438538A (en) 1977-09-02 1977-09-02 Protective device for synchronous machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10487277A JPS5438538A (en) 1977-09-02 1977-09-02 Protective device for synchronous machine

Publications (1)

Publication Number Publication Date
JPS5438538A true JPS5438538A (en) 1979-03-23

Family

ID=14392303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10487277A Pending JPS5438538A (en) 1977-09-02 1977-09-02 Protective device for synchronous machine

Country Status (1)

Country Link
JP (1) JPS5438538A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0303171A2 (en) * 1987-08-14 1989-02-15 Hitachi, Ltd. A variable speed generator-motor apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0303171A2 (en) * 1987-08-14 1989-02-15 Hitachi, Ltd. A variable speed generator-motor apparatus

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