CN121548927A - 电力网保护系统 - Google Patents

电力网保护系统

Info

Publication number
CN121548927A
CN121548927A CN202380100428.0A CN202380100428A CN121548927A CN 121548927 A CN121548927 A CN 121548927A CN 202380100428 A CN202380100428 A CN 202380100428A CN 121548927 A CN121548927 A CN 121548927A
Authority
CN
China
Prior art keywords
power grid
protection system
fault
grid protection
circuit breaker
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
CN202380100428.0A
Other languages
English (en)
Chinese (zh)
Inventor
相良雄大
阿部达广
山口信一
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN121548927A publication Critical patent/CN121548927A/zh
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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
CN202380100428.0A 2023-07-25 2023-07-25 电力网保护系统 Pending CN121548927A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/027162 WO2025022562A1 (ja) 2023-07-25 2023-07-25 電力系統保護システム

Publications (1)

Publication Number Publication Date
CN121548927A true CN121548927A (zh) 2026-02-17

Family

ID=94374238

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380100428.0A Pending CN121548927A (zh) 2023-07-25 2023-07-25 电力网保护系统

Country Status (5)

Country Link
JP (1) JPWO2025022562A1 (https=)
KR (1) KR20260023038A (https=)
CN (1) CN121548927A (https=)
TW (1) TWI905733B (https=)
WO (1) WO2025022562A1 (https=)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06276672A (ja) * 1993-03-17 1994-09-30 Fuji Electric Co Ltd 系統地絡検出・分離方法
DE4309794A1 (de) 1993-03-25 1994-09-29 Siemens Ag Anordnung zur Freischaltung von Abzweigen eines Niederspannungs-Leitungsnetzes im Kurzschlußfall
JP2001095151A (ja) * 1998-04-10 2001-04-06 Kyushu Electric Power Co Inc 事故電流を抑制可能な直接接地システム
EP3301771B1 (en) * 2016-09-30 2021-11-10 ABB Schweiz AG Fault current handling in an electrical plant
JP7347952B2 (ja) * 2019-03-28 2023-09-20 東京電力ホールディングス株式会社 保護装置
EP4138245A4 (en) * 2020-04-16 2023-06-07 Mitsubishi Electric Corporation POWER SUPPLY SYSTEM FOR MOVING BODY
CN113949044B (zh) * 2021-02-02 2024-02-13 保定钰鑫电气科技有限公司 一种三相非有效接地供电系统

Also Published As

Publication number Publication date
TWI905733B (zh) 2025-11-21
WO2025022562A1 (ja) 2025-01-30
KR20260023038A (ko) 2026-02-20
JPWO2025022562A1 (https=) 2025-01-30
TW202505835A (zh) 2025-02-01

Similar Documents

Publication Publication Date Title
US6687573B2 (en) Recloser and fuse coordination scheme
CN109997208B (zh) 低压断路器装置
CN100498995C (zh) 故障电流限制系统和包括该系统的配电盘
JP7117744B2 (ja) 電流遮断装置及び電流遮断方法
CN111433875B (zh) 低压保护开关设备
US2920241A (en) Circuit interrupters with back-up current-limiting fuses
US2823338A (en) Coordinated combinations of currentlimiting fuses and circuit interrupters
US20170271112A1 (en) Slot Motor Configuration for High Amperage Multi-Finger Circuit Breaker
CN1826675A (zh) 带有熔断器的开关保护装置
US20250202218A1 (en) Method for protecting against fault arcs
JP4172916B2 (ja) 短絡防護装置
CN121548927A (zh) 电力网保护系统
EP1919053B1 (en) State monitoring device for circuit breaker
US7626286B2 (en) Method for mains-synchronous switching of circuit breakers, and an apparatus for carrying out this method
JP7819410B2 (ja) 電力系統保護システム、電力系統保護装置及び電力系統保護方法
US20250007269A1 (en) Electrical protection device
JPH087720A (ja) 過電流保護回路とその装置
US12444928B2 (en) Power system protection device with current limiting and controlled switching functions for AC and DC applications
KR100419261B1 (ko) 스폿 네트워크 시스템의 저압 모선 지락고장보호장치
RU2352012C1 (ru) Многофазный предохранитель-выключатель-разъединитель (пвр), обеспечивающий защиту от перегрузок и короткого замыкания (кз)
Ajit et al. Design and Development of Automatic Mains Failure Panel for Diesel Generator
CN119943599A (zh) 电子开关式低压保护开关装置
TWM675364U (zh) 具短路、欠相、過電流保護的交流馬達驅動控制器
SU1100674A1 (ru) Способ автоматического пофазного отключени высоковольтной линии электропередачи
Mennell Protection of LV networks

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination