JP7682407B1 - 地絡事故位置推定装置および地絡事故位置推定方法 - Google Patents

地絡事故位置推定装置および地絡事故位置推定方法 Download PDF

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Publication number
JP7682407B1
JP7682407B1 JP2024565988A JP2024565988A JP7682407B1 JP 7682407 B1 JP7682407 B1 JP 7682407B1 JP 2024565988 A JP2024565988 A JP 2024565988A JP 2024565988 A JP2024565988 A JP 2024565988A JP 7682407 B1 JP7682407 B1 JP 7682407B1
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current
ground fault
occurrence
zero
power supply
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Japanese (ja)
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JPWO2025225014A5 (ja
JPWO2025225014A1 (https=
Inventor
浩毅 石原
禎之 井上
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • 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
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Locating Faults (AREA)
JP2024565988A 2024-04-26 2024-04-26 地絡事故位置推定装置および地絡事故位置推定方法 Active JP7682407B1 (ja)

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PCT/JP2024/016554 WO2025225014A1 (ja) 2024-04-26 2024-04-26 地絡位置推定装置および地絡位置推定方法

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JP7682407B1 true JP7682407B1 (ja) 2025-05-23
JPWO2025225014A1 JPWO2025225014A1 (https=) 2025-10-30
JPWO2025225014A5 JPWO2025225014A5 (ja) 2026-04-01

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WO (1) WO2025225014A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09101340A (ja) * 1995-07-28 1997-04-15 Kansai Electric Power Co Inc:The 配電系統の間欠地絡位置標定方法と絶縁劣化監視方法
JP4550464B2 (ja) * 2004-04-07 2010-09-22 株式会社日立製作所 地絡点標定方法および装置
CN102288872A (zh) * 2011-06-30 2011-12-21 山东省电力学校 基于信号注入法的小电流接地系统单相接地故障测距方法
EP2680017A1 (en) * 2012-06-28 2014-01-01 ABB Technology AG A method of early detection of feeder lines with a high-ohm ground fault in compensated power networks
JP2021156645A (ja) * 2020-03-25 2021-10-07 東京電力ホールディングス株式会社 情報処理装置および情報処理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5485645B2 (ja) * 2009-10-09 2014-05-07 美和電気株式会社 地絡事故回線判別方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09101340A (ja) * 1995-07-28 1997-04-15 Kansai Electric Power Co Inc:The 配電系統の間欠地絡位置標定方法と絶縁劣化監視方法
JP4550464B2 (ja) * 2004-04-07 2010-09-22 株式会社日立製作所 地絡点標定方法および装置
CN102288872A (zh) * 2011-06-30 2011-12-21 山东省电力学校 基于信号注入法的小电流接地系统单相接地故障测距方法
EP2680017A1 (en) * 2012-06-28 2014-01-01 ABB Technology AG A method of early detection of feeder lines with a high-ohm ground fault in compensated power networks
JP2021156645A (ja) * 2020-03-25 2021-10-07 東京電力ホールディングス株式会社 情報処理装置および情報処理方法

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WO2025225014A1 (ja) 2025-10-30
JPWO2025225014A1 (https=) 2025-10-30

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