JPS52140843A - System for supervising current differential bus bar protection relay suppressing circuit - Google Patents

System for supervising current differential bus bar protection relay suppressing circuit

Info

Publication number
JPS52140843A
JPS52140843A JP5662176A JP5662176A JPS52140843A JP S52140843 A JPS52140843 A JP S52140843A JP 5662176 A JP5662176 A JP 5662176A JP 5662176 A JP5662176 A JP 5662176A JP S52140843 A JPS52140843 A JP S52140843A
Authority
JP
Japan
Prior art keywords
bus bar
suppressing circuit
protection relay
current differential
differential bus
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
JP5662176A
Other languages
Japanese (ja)
Inventor
Teruhisa Ono
Takao Kubo
Toshio Ono
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 JP5662176A priority Critical patent/JPS52140843A/en
Publication of JPS52140843A publication Critical patent/JPS52140843A/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To permit detection of defectivenss of a suppressing circuit with high sensitivity and also prevent malfunction due to erroneous voltage.
COPYRIGHT: (C)1977,JPO&Japio
JP5662176A 1976-05-19 1976-05-19 System for supervising current differential bus bar protection relay suppressing circuit Pending JPS52140843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5662176A JPS52140843A (en) 1976-05-19 1976-05-19 System for supervising current differential bus bar protection relay suppressing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5662176A JPS52140843A (en) 1976-05-19 1976-05-19 System for supervising current differential bus bar protection relay suppressing circuit

Publications (1)

Publication Number Publication Date
JPS52140843A true JPS52140843A (en) 1977-11-24

Family

ID=13032343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5662176A Pending JPS52140843A (en) 1976-05-19 1976-05-19 System for supervising current differential bus bar protection relay suppressing circuit

Country Status (1)

Country Link
JP (1) JPS52140843A (en)

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