JPWO2022044169A1 - - Google Patents

Info

Publication number
JPWO2022044169A1
JPWO2022044169A1 JP2022544972A JP2022544972A JPWO2022044169A1 JP WO2022044169 A1 JPWO2022044169 A1 JP WO2022044169A1 JP 2022544972 A JP2022544972 A JP 2022544972A JP 2022544972 A JP2022544972 A JP 2022544972A JP WO2022044169 A1 JPWO2022044169 A1 JP WO2022044169A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022544972A
Other versions
JP7435800B2 (ja
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 filed Critical
Publication of JPWO2022044169A1 publication Critical patent/JPWO2022044169A1/ja
Application granted granted Critical
Publication of JP7435800B2 publication Critical patent/JP7435800B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • 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
    • 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
    • H02H3/42—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 product of voltage and current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
JP2022544972A 2020-08-26 2020-08-26 直流配電システム、制御装置、異常検知方法、及びプログラム Active JP7435800B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/032212 WO2022044169A1 (ja) 2020-08-26 2020-08-26 直流配電システム、制御装置、異常検知方法、及びプログラム

Publications (2)

Publication Number Publication Date
JPWO2022044169A1 true JPWO2022044169A1 (ja) 2022-03-03
JP7435800B2 JP7435800B2 (ja) 2024-02-21

Family

ID=80352891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022544972A Active JP7435800B2 (ja) 2020-08-26 2020-08-26 直流配電システム、制御装置、異常検知方法、及びプログラム

Country Status (3)

Country Link
US (1) US20230327424A1 (ja)
JP (1) JP7435800B2 (ja)
WO (1) WO2022044169A1 (ja)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3396496B2 (ja) * 1992-01-23 2003-04-14 株式会社東芝 直流送電線の保護継電装置
JP4406143B2 (ja) * 2000-03-03 2010-01-27 関西電力株式会社 直流送電系統の保護継電装置
JP4339810B2 (ja) * 2005-04-01 2009-10-07 株式会社日立製作所 直流送電システムの保護装置
JP5268717B2 (ja) 2009-03-10 2013-08-21 日本発條株式会社 大気接合用ろう材及び接合体
JP6856513B2 (ja) * 2017-03-22 2021-04-07 矢崎総業株式会社 電力供給システム

Also Published As

Publication number Publication date
JP7435800B2 (ja) 2024-02-21
US20230327424A1 (en) 2023-10-12
WO2022044169A1 (ja) 2022-03-03

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