JP6818955B1 - 漏電センサおよび電路保護システム - Google Patents

漏電センサおよび電路保護システム Download PDF

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Publication number
JP6818955B1
JP6818955B1 JP2020544874A JP2020544874A JP6818955B1 JP 6818955 B1 JP6818955 B1 JP 6818955B1 JP 2020544874 A JP2020544874 A JP 2020544874A JP 2020544874 A JP2020544874 A JP 2020544874A JP 6818955 B1 JP6818955 B1 JP 6818955B1
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Prior art keywords
sensor
overcurrent
leakage current
earth leakage
current detection
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JP2020544874A
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English (en)
Japanese (ja)
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JPWO2021186602A1 (ko
Inventor
勇治 大野
勇治 大野
泰行 岡田
泰行 岡田
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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
    • G01R31/50—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • 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
    • G01R19/10—Measuring sum, difference or ratio
    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • 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
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • 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
    • H02H3/10—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 additionally responsive to some other abnormal electrical conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0029—Treating the measured signals, e.g. removing offset or noise
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/028—Electrodynamic magnetometers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP2020544874A 2020-03-18 2020-03-18 漏電センサおよび電路保護システム Active JP6818955B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/011898 WO2021186602A1 (ja) 2020-03-18 2020-03-18 漏電センサおよび電路保護システム

Publications (2)

Publication Number Publication Date
JP6818955B1 true JP6818955B1 (ja) 2021-01-27
JPWO2021186602A1 JPWO2021186602A1 (ko) 2021-09-23

Family

ID=74200193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020544874A Active JP6818955B1 (ja) 2020-03-18 2020-03-18 漏電センサおよび電路保護システム

Country Status (5)

Country Link
JP (1) JP6818955B1 (ko)
KR (1) KR102700672B1 (ko)
CN (1) CN115244411A (ko)
DE (1) DE112020006910T5 (ko)
WO (1) WO2021186602A1 (ko)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001143598A (ja) * 1999-11-11 2001-05-25 Mitsubishi Electric Corp 回路遮断器
JP2001281270A (ja) * 2000-03-31 2001-10-10 Sumitomo Special Metals Co Ltd 分割型電流検出器
JP2003332158A (ja) * 2002-05-08 2003-11-21 Fuji Electric Co Ltd 零相変流器
JP2004228176A (ja) * 2003-01-21 2004-08-12 Fuji Electric Holdings Co Ltd 零相変流器
JP2005304148A (ja) * 2004-04-09 2005-10-27 Hitachi Industrial Equipment Systems Co Ltd 絶縁監視システム
JP2010230455A (ja) * 2009-03-26 2010-10-14 Panasonic Electric Works Co Ltd 漏電検出装置
US20150377930A1 (en) * 2014-06-30 2015-12-31 Lsis Co., Ltd. Neutral pole current transformer module for circuit breaker and neutral pole current detecting apparatus for circuit breaker
JP2017200255A (ja) * 2016-04-25 2017-11-02 三菱電機株式会社 漏電継電器、漏電遮断器及びそれらの制御方法
KR20190067564A (ko) * 2017-12-07 2019-06-17 주식회사 아이티이 배전계통 전원선로 고장시 실시간 탐지/복구시스템 및 그 공사방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10232259A (ja) 1997-02-21 1998-09-02 Matsushita Electric Works Ltd 漏電センサー
KR101228914B1 (ko) * 2011-11-29 2013-02-01 송상헌 누전감지기 일체형 과전류 계전기
KR101966749B1 (ko) * 2015-12-11 2019-04-08 주식회사 아모그린텍 자기차폐형 변류기
US10109994B2 (en) 2016-03-24 2018-10-23 Littelfuse, Inc. Multiple current sensor system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001143598A (ja) * 1999-11-11 2001-05-25 Mitsubishi Electric Corp 回路遮断器
JP2001281270A (ja) * 2000-03-31 2001-10-10 Sumitomo Special Metals Co Ltd 分割型電流検出器
JP2003332158A (ja) * 2002-05-08 2003-11-21 Fuji Electric Co Ltd 零相変流器
JP2004228176A (ja) * 2003-01-21 2004-08-12 Fuji Electric Holdings Co Ltd 零相変流器
JP2005304148A (ja) * 2004-04-09 2005-10-27 Hitachi Industrial Equipment Systems Co Ltd 絶縁監視システム
JP2010230455A (ja) * 2009-03-26 2010-10-14 Panasonic Electric Works Co Ltd 漏電検出装置
US20150377930A1 (en) * 2014-06-30 2015-12-31 Lsis Co., Ltd. Neutral pole current transformer module for circuit breaker and neutral pole current detecting apparatus for circuit breaker
JP2017200255A (ja) * 2016-04-25 2017-11-02 三菱電機株式会社 漏電継電器、漏電遮断器及びそれらの制御方法
KR20190067564A (ko) * 2017-12-07 2019-06-17 주식회사 아이티이 배전계통 전원선로 고장시 실시간 탐지/복구시스템 및 그 공사방법

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
工藤高裕 外３名: "フラックスゲート形直流漏電センサ", JOURNAL OF THE MAGNETICS SOCIETY OF JAPAN, vol. Vol.34,No.6,2010, JPN7020003872, 26 August 2010 (2010-08-26), pages 588 - 592, ISSN: 0004401172 *

Also Published As

Publication number Publication date
WO2021186602A1 (ja) 2021-09-23
KR102700672B1 (ko) 2024-08-30
JPWO2021186602A1 (ko) 2021-09-23
DE112020006910T5 (de) 2022-12-29
CN115244411A (zh) 2022-10-25
KR20220137948A (ko) 2022-10-12

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