JPS5355757A - Power line protection - Google Patents

Power line protection

Info

Publication number
JPS5355757A
JPS5355757A JP13146576A JP13146576A JPS5355757A JP S5355757 A JPS5355757 A JP S5355757A JP 13146576 A JP13146576 A JP 13146576A JP 13146576 A JP13146576 A JP 13146576A JP S5355757 A JPS5355757 A JP S5355757A
Authority
JP
Japan
Prior art keywords
power line
line protection
voltage generated
phase
ground
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
JP13146576A
Other languages
Japanese (ja)
Inventor
Michio Masui
Ryoichi Tsukui
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 JP13146576A priority Critical patent/JPS5355757A/en
Publication of JPS5355757A publication Critical patent/JPS5355757A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To protect the ground protection relay from its unnecessary response by phase discrimination with phase relation of the voltage generated in a case of ground trouble at both terminal power sites and the voltage generated by the primary circuit circulating current of zero phase under the influence of induction.
COPYRIGHT: (C)1978,JPO&Japio
JP13146576A 1976-11-01 1976-11-01 Power line protection Pending JPS5355757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13146576A JPS5355757A (en) 1976-11-01 1976-11-01 Power line protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13146576A JPS5355757A (en) 1976-11-01 1976-11-01 Power line protection

Publications (1)

Publication Number Publication Date
JPS5355757A true JPS5355757A (en) 1978-05-20

Family

ID=15058588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13146576A Pending JPS5355757A (en) 1976-11-01 1976-11-01 Power line protection

Country Status (1)

Country Link
JP (1) JPS5355757A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48102242A (en) * 1972-04-10 1973-12-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48102242A (en) * 1972-04-10 1973-12-22

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