KR20260023038A - 전력 계통 보호 시스템 - Google Patents

전력 계통 보호 시스템

Info

Publication number
KR20260023038A
KR20260023038A KR1020267001096A KR20267001096A KR20260023038A KR 20260023038 A KR20260023038 A KR 20260023038A KR 1020267001096 A KR1020267001096 A KR 1020267001096A KR 20267001096 A KR20267001096 A KR 20267001096A KR 20260023038 A KR20260023038 A KR 20260023038A
Authority
KR
South Korea
Prior art keywords
current
power system
circuit breaker
protection system
line
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
KR1020267001096A
Other languages
English (en)
Korean (ko)
Inventor
유타 사가라
다츠히로 아베
신이치 야마구치
Original Assignee
미쓰비시덴키 가부시키가이샤
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 미쓰비시덴키 가부시키가이샤 filed Critical 미쓰비시덴키 가부시키가이샤
Publication of KR20260023038A publication Critical patent/KR20260023038A/ko
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)
KR1020267001096A 2023-07-25 2023-07-25 전력 계통 보호 시스템 Pending KR20260023038A (ko)

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
KR20260023038A true KR20260023038A (ko) 2026-02-20

Family

ID=94374238

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020267001096A Pending KR20260023038A (ko) 2023-07-25 2023-07-25 전력 계통 보호 시스템

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
CN121548927A (zh) 2026-02-17
JPWO2025022562A1 (https=) 2025-01-30
TW202505835A (zh) 2025-02-01

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