JPS5248033A - Bus bar protection relay device - Google Patents

Bus bar protection relay device

Info

Publication number
JPS5248033A
JPS5248033A JP12342475A JP12342475A JPS5248033A JP S5248033 A JPS5248033 A JP S5248033A JP 12342475 A JP12342475 A JP 12342475A JP 12342475 A JP12342475 A JP 12342475A JP S5248033 A JPS5248033 A JP S5248033A
Authority
JP
Japan
Prior art keywords
bus bar
relay device
protection relay
bar protection
zero
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
JP12342475A
Other languages
Japanese (ja)
Inventor
Michiharu Abe
Kentaro Nishioka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12342475A priority Critical patent/JPS5248033A/en
Publication of JPS5248033A publication Critical patent/JPS5248033A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To avoid the reduction in relay sensitivity even in a power system with a high invalid current component by the provision of a phase comparison means for zero-phase current and zero-phase voltage.
COPYRIGHT: (C)1977,JPO&Japio
JP12342475A 1975-10-14 1975-10-14 Bus bar protection relay device Pending JPS5248033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12342475A JPS5248033A (en) 1975-10-14 1975-10-14 Bus bar protection relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12342475A JPS5248033A (en) 1975-10-14 1975-10-14 Bus bar protection relay device

Publications (1)

Publication Number Publication Date
JPS5248033A true JPS5248033A (en) 1977-04-16

Family

ID=14860204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12342475A Pending JPS5248033A (en) 1975-10-14 1975-10-14 Bus bar protection relay device

Country Status (1)

Country Link
JP (1) JPS5248033A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251846A (en) * 1978-05-12 1981-02-17 National Research Development Corporation Apparatus for sensing short circuit faults in alternating current supply lines
US4296451A (en) * 1979-10-11 1981-10-20 General Electric Company Ultra high speed protective relay circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037832B1 (en) * 1971-04-30 1975-12-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037832B1 (en) * 1971-04-30 1975-12-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251846A (en) * 1978-05-12 1981-02-17 National Research Development Corporation Apparatus for sensing short circuit faults in alternating current supply lines
US4296451A (en) * 1979-10-11 1981-10-20 General Electric Company Ultra high speed protective relay circuit

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