KR102794213B1 - 누전 센서 및 전로 보호 시스템 - Google Patents

누전 센서 및 전로 보호 시스템 Download PDF

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Publication number
KR102794213B1
KR102794213B1 KR1020237039894A KR20237039894A KR102794213B1 KR 102794213 B1 KR102794213 B1 KR 102794213B1 KR 1020237039894 A KR1020237039894 A KR 1020237039894A KR 20237039894 A KR20237039894 A KR 20237039894A KR 102794213 B1 KR102794213 B1 KR 102794213B1
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South Korea
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circuit
excitation
current
output
female
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Korean (ko)
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KR20230174255A (ko
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도시히코 미야우치
야스유키 오카다
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미쓰비시덴키 가부시키가이샤
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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
    • 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
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • 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
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G01R31/3275—Fault detection or status indication
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • G01R33/14—Measuring or plotting hysteresis curves
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
KR1020237039894A 2021-07-08 2021-07-08 누전 센서 및 전로 보호 시스템 Active KR102794213B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/025779 WO2023281696A1 (ja) 2021-07-08 2021-07-08 漏電センサおよび電路保護システム

Publications (2)

Publication Number Publication Date
KR20230174255A KR20230174255A (ko) 2023-12-27
KR102794213B1 true KR102794213B1 (ko) 2025-04-11

Family

ID=80624123

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Application Number Title Priority Date Filing Date
KR1020237039894A Active KR102794213B1 (ko) 2021-07-08 2021-07-08 누전 센서 및 전로 보호 시스템

Country Status (5)

Country Link
JP (1) JP7005824B1 (https=)
KR (1) KR102794213B1 (https=)
CN (1) CN117501139A (https=)
DE (1) DE112021007937T5 (https=)
WO (1) WO2023281696A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117970177B (zh) * 2024-01-04 2025-04-18 四川英杰新能源有限公司 一种基于半饱和磁感应强度的漏电检测装置及方法
JP7622894B1 (ja) 2024-07-04 2025-01-28 富士電機株式会社 電流検出装置、漏電遮断器及び漏電リレー

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013061322A (ja) 2011-08-25 2013-04-04 Mitsubishi Electric Corp 直流電流検出装置
JP2014235086A (ja) 2013-06-03 2014-12-15 三菱電機株式会社 電流検出装置
JP2015068725A (ja) 2013-09-30 2015-04-13 東日本旅客鉄道株式会社 電流検出装置及びこれを備えた変電設備
JP2018091626A (ja) 2015-04-16 2018-06-14 パナソニックＩｐマネジメント株式会社 漏電検出装置
JP2019012004A (ja) 2017-06-30 2019-01-24 日置電機株式会社 電流検出装置および測定装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992532U (ja) 1982-12-10 1984-06-23 東北金属工業株式会社 漏電検出器
JPH06201731A (ja) * 1992-12-25 1994-07-22 Nippondenso Co Ltd 磁気平衡型電流測定装置
EP1542025A4 (en) * 2002-06-18 2005-09-14 Loyal Port Company Ltd MAGNETIC BRIDGE TYPE CURRENT DETECTOR, MAGNETIC BRIDGE TYPE CURRENT DETECTION METHOD, AND MAGNETIC BRIDGE FOR USE WITH THIS SENSOR AND DETECTION METHOD
EP2423693B1 (en) * 2010-08-24 2020-02-26 LEM International SA Toroidal current transducer
CN119742151A (zh) * 2024-12-23 2025-04-01 广东电网有限责任公司广州供电局 基于磁平衡的双分裂并联电缆电流不平衡度调节系统和方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013061322A (ja) 2011-08-25 2013-04-04 Mitsubishi Electric Corp 直流電流検出装置
JP2014235086A (ja) 2013-06-03 2014-12-15 三菱電機株式会社 電流検出装置
JP2015068725A (ja) 2013-09-30 2015-04-13 東日本旅客鉄道株式会社 電流検出装置及びこれを備えた変電設備
JP2018091626A (ja) 2015-04-16 2018-06-14 パナソニックＩｐマネジメント株式会社 漏電検出装置
JP2019012004A (ja) 2017-06-30 2019-01-24 日置電機株式会社 電流検出装置および測定装置

Also Published As

Publication number Publication date
DE112021007937T5 (de) 2024-04-25
CN117501139A (zh) 2024-02-02
JP7005824B1 (ja) 2022-01-24
KR20230174255A (ko) 2023-12-27
JPWO2023281696A1 (https=) 2023-01-12
WO2023281696A1 (ja) 2023-01-12

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