JPH0552124B2 - - Google Patents

Info

Publication number
JPH0552124B2
JPH0552124B2 JP9018684A JP9018684A JPH0552124B2 JP H0552124 B2 JPH0552124 B2 JP H0552124B2 JP 9018684 A JP9018684 A JP 9018684A JP 9018684 A JP9018684 A JP 9018684A JP H0552124 B2 JPH0552124 B2 JP H0552124B2
Authority
JP
Japan
Prior art keywords
phase
relay
polarity
voltage
digital
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.)
Expired - Lifetime
Application number
JP9018684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60237817A (ja
Inventor
Takayuki Yokoyama
Yasuhiro Kurosawa
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP9018684A priority Critical patent/JPS60237817A/ja
Publication of JPS60237817A publication Critical patent/JPS60237817A/ja
Publication of JPH0552124B2 publication Critical patent/JPH0552124B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP9018684A 1984-05-08 1984-05-08 デイジタル地絡距離継電器 Granted JPS60237817A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9018684A JPS60237817A (ja) 1984-05-08 1984-05-08 デイジタル地絡距離継電器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9018684A JPS60237817A (ja) 1984-05-08 1984-05-08 デイジタル地絡距離継電器

Publications (2)

Publication Number Publication Date
JPS60237817A JPS60237817A (ja) 1985-11-26
JPH0552124B2 true JPH0552124B2 (en, 2012) 1993-08-04

Family

ID=13991453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9018684A Granted JPS60237817A (ja) 1984-05-08 1984-05-08 デイジタル地絡距離継電器

Country Status (1)

Country Link
JP (1) JPS60237817A (en, 2012)

Also Published As

Publication number Publication date
JPS60237817A (ja) 1985-11-26

Similar Documents

Publication Publication Date Title
Aggarwal et al. New concept in fault location for overhead distribution systems using superimposed components
JPS6360610B2 (en, 2012)
US4261038A (en) Protection of electrical power supply systems
US4333151A (en) Method for protecting an electric power system and digital protective system
JPH06105266B2 (ja) デジタル保護継電器
JP3628143B2 (ja) 地絡距離継電器
JPH10132890A (ja) 故障点標定方法および装置
JPH0552124B2 (en, 2012)
Kirkham et al. Overview of IEEE standard 1459 revision
US3293497A (en) Ground fault detector
Hart Characterising the power system at a load busbar by measurement
CA1085449A (en) Filter excitation circuitry
JPH09304468A (ja) 平行２回線系統の故障点標定方法
JPH0428065Y2 (en, 2012)
JP2633637B2 (ja) 対称分保護リレー
JPH0712878A (ja) 送電線故障点標定方式
SU888255A1 (ru) Устройство дл определени поврежденного фидера при однофазном замыкании
JPS6259526B2 (en, 2012)
JP2590258B2 (ja) 変圧器のスター側相電圧の演算方法
JP3543380B2 (ja) ディジタル形電圧平衡継電器
CN118679395A (zh) 相选择方法
JPH04240574A (ja) ひずみ波電源の基本波電力と高調波電力の測定法
JPS598130B2 (ja) 非接地直流回路の地絡監視用回路装置
SU868650A1 (ru) Способ обнаружени фазы с повышенным током утечки в трехфазных сет х с изолированной нейтралью напр жением до 1000в
JPH08126187A (ja) ディジタル形保護継電器の保護方法

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term