CN115244411A - 漏电传感器以及电路保护系统 - Google Patents

漏电传感器以及电路保护系统 Download PDF

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Publication number
CN115244411A
CN115244411A CN202080096584.0A CN202080096584A CN115244411A CN 115244411 A CN115244411 A CN 115244411A CN 202080096584 A CN202080096584 A CN 202080096584A CN 115244411 A CN115244411 A CN 115244411A
Authority
CN
China
Prior art keywords
sensor
leakage
overcurrent
leakage current
current detection
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
CN202080096584.0A
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English (en)
Chinese (zh)
Inventor
大野勇治
冈田泰行
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
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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 CN115244411A publication Critical patent/CN115244411A/zh
Pending legal-status Critical Current

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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)
CN202080096584.0A 2020-03-18 2020-03-18 漏电传感器以及电路保护系统 Pending CN115244411A (zh)

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 (1)

Publication Number Publication Date
CN115244411A true CN115244411A (zh) 2022-10-25

Family

ID=74200193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080096584.0A Pending CN115244411A (zh) 2020-03-18 2020-03-18 漏电传感器以及电路保护系统

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
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
JP2010230455A (ja) * 2009-03-26 2010-10-14 Panasonic Electric Works Co Ltd 漏電検出装置
KR101228914B1 (ko) * 2011-11-29 2013-02-01 송상헌 누전감지기 일체형 과전류 계전기
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
CN108369857A (zh) * 2015-12-11 2018-08-03 阿莫绿色技术有限公司 磁屏蔽型电流互感器
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
JP2001281270A (ja) * 2000-03-31 2001-10-10 Sumitomo Special Metals Co Ltd 分割型電流検出器
JP2005304148A (ja) * 2004-04-09 2005-10-27 Hitachi Industrial Equipment Systems Co Ltd 絶縁監視システム
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
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
JP2010230455A (ja) * 2009-03-26 2010-10-14 Panasonic Electric Works Co Ltd 漏電検出装置
KR101228914B1 (ko) * 2011-11-29 2013-02-01 송상헌 누전감지기 일체형 과전류 계전기
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
CN108369857A (zh) * 2015-12-11 2018-08-03 阿莫绿色技术有限公司 磁屏蔽型电流互感器
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

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
JP6818955B1 (ja) 2021-01-27
KR20220137948A (ko) 2022-10-12

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