JPS5410954A - Protective unit for breake - Google Patents

Protective unit for breake

Info

Publication number
JPS5410954A
JPS5410954A JP7544077A JP7544077A JPS5410954A JP S5410954 A JPS5410954 A JP S5410954A JP 7544077 A JP7544077 A JP 7544077A JP 7544077 A JP7544077 A JP 7544077A JP S5410954 A JPS5410954 A JP S5410954A
Authority
JP
Japan
Prior art keywords
breake
protective unit
breaker
informations
shortage
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
JP7544077A
Other languages
Japanese (ja)
Inventor
Masao 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.)
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 JP7544077A priority Critical patent/JPS5410954A/en
Publication of JPS5410954A publication Critical patent/JPS5410954A/en
Pending legal-status Critical Current

Links

Landscapes

  • Keying Circuit Devices (AREA)

Abstract

PURPOSE: To previously prevent the break-down of a breaker caused by shortage of the breaking capacity and the secondary spreading effect thereof when any fault may happen in the system of the breaker by utilizing the informations which level has been detected.
COPYRIGHT: (C)1979,JPO&Japio
JP7544077A 1977-06-27 1977-06-27 Protective unit for breake Pending JPS5410954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7544077A JPS5410954A (en) 1977-06-27 1977-06-27 Protective unit for breake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7544077A JPS5410954A (en) 1977-06-27 1977-06-27 Protective unit for breake

Publications (1)

Publication Number Publication Date
JPS5410954A true JPS5410954A (en) 1979-01-26

Family

ID=13576286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7544077A Pending JPS5410954A (en) 1977-06-27 1977-06-27 Protective unit for breake

Country Status (1)

Country Link
JP (1) JPS5410954A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272527A (en) * 1985-09-26 1987-04-03 Nippon Chem Ind Co Ltd:The Production of chromium oxide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6272527A (en) * 1985-09-26 1987-04-03 Nippon Chem Ind Co Ltd:The Production of chromium oxide
JPH0255381B2 (en) * 1985-09-26 1990-11-27 Nippon Chemical Ind

Similar Documents

Publication Publication Date Title
JPS5410954A (en) Protective unit for breake
JPS53111294A (en) Fault display device of device having protection circuit
FR2340745A1 (en) COMBINED CIRCUIT BREAKERS, ESPECIALLY FOR FIRE PROTECTION SYSTEMS
JPS541846A (en) Automatic current limiter
JPS56150921A (en) Device for tripping breaker
JPS53146151A (en) Protective system for dc switching circuit
JPS5416644A (en) Protective device for on-load tap changer
JPS53105993A (en) Overvoltage inhibition circuit for x-ray equipment
JPS5441440A (en) Protection system for parallel two-ciruit distribution line
JPS53117727A (en) Power converter protector
JPS51144937A (en) No phase protective device
JPS5320549A (en) Circuit breaker
JPS5292343A (en) Checking device for protective relay
JPS5372149A (en) Protective relay
JPS5350636A (en) Service processor
JPS5435343A (en) Bus protective relay
JPS5364723A (en) Protection system for rectifier
JPS548857A (en) Reclosed circuit device of breaker
JPS5310038A (en) Leak breaker operation indicating device
EP0050187A3 (en) Circuit-breaker protecting against overcurrents
JPS53117725A (en) Fault point standarizing device
JPS53144207A (en) Overvoltage or overcurrent protective device for communication equipment
JPS5393344A (en) Protective relay
JPS5441439A (en) Protective relay system
JPS544341A (en) Protective relay system