JPH07135733A - ２回線スポットネットワーク受電装置 - Google Patents

２回線スポットネットワーク受電装置

Info

Publication number
JPH07135733A
JPH07135733A JP5279651A JP27965193A JPH07135733A JP H07135733 A JPH07135733 A JP H07135733A JP 5279651 A JP5279651 A JP 5279651A JP 27965193 A JP27965193 A JP 27965193A JP H07135733 A JPH07135733 A JP H07135733A
Authority
JP
Japan
Prior art keywords
protector
line
power receiving
trip
power
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
JP5279651A
Other languages
English (en)
Japanese (ja)
Inventor
Masafumi Sato
雅文 佐藤
Kazuo Kano
和夫 鹿野
Toru Tanimizu
徹 谷水
Kazuo Kurita
和夫 栗田
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5279651A priority Critical patent/JPH07135733A/ja
Priority to TW083109204A priority patent/TW270251B/zh
Priority to KR1019940026611A priority patent/KR950015936A/ko
Publication of JPH07135733A publication Critical patent/JPH07135733A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/267—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for parallel lines and wires
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/14—Indicating direction of current; Indicating polarity of voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/28—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for meshed systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
JP5279651A 1993-11-09 1993-11-09 ２回線スポットネットワーク受電装置 Pending JPH07135733A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5279651A JPH07135733A (ja) 1993-11-09 1993-11-09 ２回線スポットネットワーク受電装置
TW083109204A TW270251B (enExample) 1993-11-09 1994-10-04
KR1019940026611A KR950015936A (ko) 1993-11-09 1994-10-18 2회선 스포트네트워크 수전장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5279651A JPH07135733A (ja) 1993-11-09 1993-11-09 ２回線スポットネットワーク受電装置

Publications (1)

Publication Number Publication Date
JPH07135733A true JPH07135733A (ja) 1995-05-23

Family

ID=17613956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5279651A Pending JPH07135733A (ja) 1993-11-09 1993-11-09 ２回線スポットネットワーク受電装置

Country Status (3)

Country Link
JP (1) JPH07135733A (enExample)
KR (1) KR950015936A (enExample)
TW (1) TW270251B (enExample)

Also Published As

Publication number Publication date
KR950015936A (ko) 1995-06-17
TW270251B (enExample) 1996-02-11

Similar Documents

Publication Publication Date Title
JP3863123B2 (ja) ３相回路の負荷不平衡解消制御システム
KR960003362B1 (ko) 단선 자동 검출장치
US6452769B1 (en) Electrical power distribution installation for electrical power system
EP0496997B1 (en) Power receiving system
US3764855A (en) Zero-ground fault-cutout desensitizing device
EP1309059B1 (en) Automatic voltage source selector for circuit breakers utilizing electronics
JP2011097797A (ja) ループ系統の保護システム
US5959819A (en) Reliable fault tolerant power supply for a protective relay
JP3611476B2 (ja) 配電設備回路
JP3480671B2 (ja) スポットネットワーク受電設備の母線保護システム
JPH07135733A (ja) ２回線スポットネットワーク受電装置
US3780348A (en) Self-controlled differential sectionaliser for the protection of low voltage electric power consumers
US3423634A (en) Differential relaying network
Hao et al. Apply a wireless line sensor system to enhance distribution protection schemes
Fowler et al. Apply a Wireless Line Sensor System to Enhance Distribution Protection Schemes
JPH0833186A (ja) 再閉路方式
EP4303904A1 (en) Multiphase ground fault circuit interrupter
US3005932A (en) Protective circuits
RU2014705C1 (ru) Устройство для резервной направленной токовой защиты лэп с ответвлениями и с авр секционного выключателя
JP2000078755A (ja) 系統連系装置
JPH1014100A (ja) 地絡自己遮断型自動区分開閉装置
JPH0739070A (ja) スポットネットワーク受変電システム
JP3008427B2 (ja) 火力発電設備の所内単独運転移行装置
JPS635972B2 (enExample)
JP2024128759A (ja) マイクログリッドシステムの短絡事故検出方法、マイクログリッドシステム及び電圧源インバータ