JP7580658B2 - 機器診断装置及び機器診断システム - Google Patents

機器診断装置及び機器診断システム Download PDF

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Publication number
JP7580658B2
JP7580658B2 JP2024507500A JP2024507500A JP7580658B2 JP 7580658 B2 JP7580658 B2 JP 7580658B2 JP 2024507500 A JP2024507500 A JP 2024507500A JP 2024507500 A JP2024507500 A JP 2024507500A JP 7580658 B2 JP7580658 B2 JP 7580658B2
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Prior art keywords
sensor
operation mode
leakage
equipment
current
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JP2024507500A
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Japanese (ja)
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JPWO2023176039A5 (https=
JPWO2023176039A1 (https=
Inventor
佳正 渡邊
泰行 岡田
甚 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
    • G01R31/50—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
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio
    • 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
    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
JP2024507500A 2022-03-17 2022-11-11 機器診断装置及び機器診断システム Active JP7580658B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022042713 2022-03-17
JP2022042713 2022-03-17
PCT/JP2022/042020 WO2023176039A1 (ja) 2022-03-17 2022-11-11 機器診断装置及び機器診断システム

Publications (3)

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JPWO2023176039A1 JPWO2023176039A1 (https=) 2023-09-21
JPWO2023176039A5 JPWO2023176039A5 (https=) 2024-05-27
JP7580658B2 true JP7580658B2 (ja) 2024-11-11

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JP2024507500A Active JP7580658B2 (ja) 2022-03-17 2022-11-11 機器診断装置及び機器診断システム

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US (1) US20250251464A1 (https=)
JP (1) JP7580658B2 (https=)
CN (1) CN118829895A (https=)
DE (1) DE112022006856T5 (https=)
WO (1) WO2023176039A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN121164881A (zh) * 2025-09-05 2025-12-19 华北电力大学 一种基于多源信息融合的柱上开关受潮缺陷诊断方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010213400A (ja) 2009-03-09 2010-09-24 Tsuru Gakuen 需要家構内の電力系統における地絡事故原因判定装置
JP2012200052A (ja) 2011-03-18 2012-10-18 Panasonic Corp 漏電判定装置
WO2018158910A1 (ja) 2017-03-02 2018-09-07 株式会社日立製作所 診断装置および診断方法
JP2019109192A (ja) 2017-12-20 2019-07-04 株式会社日立産機システム 絶縁監視装置および絶縁監視システム
WO2019193743A1 (ja) 2018-04-06 2019-10-10 三菱電機株式会社 漏電検出装置および漏電遮断器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61138178A (ja) * 1984-12-11 1986-06-25 Tokyo Gas Co Ltd 地絡検出装置
JPH11311653A (ja) * 1998-04-28 1999-11-09 Micron Kk 漏電電流検出器
EP2423693B1 (en) 2010-08-24 2020-02-26 LEM International SA Toroidal current transducer
JP5985099B1 (ja) 2016-03-31 2016-09-06 株式会社高田工業所 回転機械系の異常検知方法、その異常検知方法を用いた回転機械系の異常監視方法、及びその異常監視方法を用いた回転機械系の異常監視装置
JP6570767B2 (ja) 2016-11-11 2019-09-04 三菱電機株式会社 劣化検出装置、劣化検出システム、劣化検出方法、及び、プログラム
JP7003703B2 (ja) 2018-02-05 2022-01-21 日新電機株式会社 マルチセンサを用いた部分放電検出装置
JP7056465B2 (ja) 2018-08-23 2022-04-19 株式会社明電舎 異常予兆検出システム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010213400A (ja) 2009-03-09 2010-09-24 Tsuru Gakuen 需要家構内の電力系統における地絡事故原因判定装置
JP2012200052A (ja) 2011-03-18 2012-10-18 Panasonic Corp 漏電判定装置
WO2018158910A1 (ja) 2017-03-02 2018-09-07 株式会社日立製作所 診断装置および診断方法
JP2019109192A (ja) 2017-12-20 2019-07-04 株式会社日立産機システム 絶縁監視装置および絶縁監視システム
WO2019193743A1 (ja) 2018-04-06 2019-10-10 三菱電機株式会社 漏電検出装置および漏電遮断器

Also Published As

Publication number Publication date
WO2023176039A1 (ja) 2023-09-21
US20250251464A1 (en) 2025-08-07
JPWO2023176039A1 (https=) 2023-09-21
DE112022006856T5 (de) 2025-02-27
CN118829895A (zh) 2024-10-22

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