JPS52147747A - Bus protection system - Google Patents

Bus protection system

Info

Publication number
JPS52147747A
JPS52147747A JP6578176A JP6578176A JPS52147747A JP S52147747 A JPS52147747 A JP S52147747A JP 6578176 A JP6578176 A JP 6578176A JP 6578176 A JP6578176 A JP 6578176A JP S52147747 A JPS52147747 A JP S52147747A
Authority
JP
Japan
Prior art keywords
protection system
bus protection
discriminate
breaker
voltage
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.)
Granted
Application number
JP6578176A
Other languages
Japanese (ja)
Other versions
JPS5812814B2 (en
Inventor
Yoshiji Nii
Mitsuyasu Furuse
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.)
Meidensha Electric Manufacturing Co Ltd
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Meidensha Electric Manufacturing 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 Tokyo Electric Power Co Inc, Meidensha Electric Manufacturing Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP6578176A priority Critical patent/JPS5812814B2/en
Publication of JPS52147747A publication Critical patent/JPS52147747A/en
Publication of JPS5812814B2 publication Critical patent/JPS5812814B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To discriminate that a fault occurs in any of double buses without using the open and close condition of a breaker by digitally processing the information of voltage and current which are obtained from electric power system.
COPYRIGHT: (C)1977,JPO&Japio
JP6578176A 1976-06-04 1976-06-04 Bus bar protection method Expired JPS5812814B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6578176A JPS5812814B2 (en) 1976-06-04 1976-06-04 Bus bar protection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6578176A JPS5812814B2 (en) 1976-06-04 1976-06-04 Bus bar protection method

Publications (2)

Publication Number Publication Date
JPS52147747A true JPS52147747A (en) 1977-12-08
JPS5812814B2 JPS5812814B2 (en) 1983-03-10

Family

ID=13296913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6578176A Expired JPS5812814B2 (en) 1976-06-04 1976-06-04 Bus bar protection method

Country Status (1)

Country Link
JP (1) JPS5812814B2 (en)

Also Published As

Publication number Publication date
JPS5812814B2 (en) 1983-03-10

Similar Documents

Publication Publication Date Title
ES516082A0 (en) "MULTIPOLAR ELECTRIC CIRCUIT BREAKER, IN PARTICULAR WITH CAST BOX".
AU504974B2 (en) Circuit breaker improved trip actuator and undervoltage
DE3672810D1 (en) Fault current and line circuit breakers.
AT314021B (en) Electrical circuit breaker for fault current, overcurrent and short circuit protection
JPS52147747A (en) Bus protection system
ZA777499B (en) Circuit breaker utilizing improved current conductor system
JPS5251549A (en) Over voltage and over current suppression equipment for inverter
JPS5457707A (en) Feeder system of alternating current electric rolling stock
JPS51118044A (en) Fault localization device
JPS5425445A (en) Apparatus protective device
JPS5383049A (en) Digital protective relay
JPS53101613A (en) Drive circuit for dc electric motor vehicle
SU752549A1 (en) Device for protecting three-phase bus-bars from interphase arc shortings
JPS52115353A (en) Protecting device of semiconductor breaker
JPS52124148A (en) Condition detector for electric parts
JPS52139934A (en) Phase comparison system carry protection relay
JPS5380538A (en) Earth protection relay
JPS5290023A (en) Electric train control device
JPS53111448A (en) Protective equipment for cyclo-converter
JPS52120353A (en) Protective device for dc power transmission system
JPS531845A (en) Digital protective relay
JPS53104832A (en) Protective equipment for dc motor
JPS5297144A (en) Overcurrent protection means
JPS5279240A (en) Differential protection relay system
JPS52126741A (en) Protective relay