JP7450827B2 - 電流センサ及び電線診断システム - Google Patents

電流センサ及び電線診断システム Download PDF

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Publication number
JP7450827B2
JP7450827B2 JP2023556558A JP2023556558A JP7450827B2 JP 7450827 B2 JP7450827 B2 JP 7450827B2 JP 2023556558 A JP2023556558 A JP 2023556558A JP 2023556558 A JP2023556558 A JP 2023556558A JP 7450827 B2 JP7450827 B2 JP 7450827B2
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Prior art keywords
bias magnet
current sensor
magnetostrictive member
magnetic field
electric wire
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JP2023556558A
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Japanese (ja)
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JPWO2023176739A1 (https=
JPWO2023176739A5 (https=
Inventor
泰行 岡田
佳正 渡邊
甚 井上
武史 武舎
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
JP2023556558A 2022-03-16 2023-03-10 電流センサ及び電線診断システム Active JP7450827B2 (ja)

Applications Claiming Priority (3)

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JP2022041288 2022-03-16
JP2022041288 2022-03-16
PCT/JP2023/009393 WO2023176739A1 (ja) 2022-03-16 2023-03-10 電流センサ及び電線診断システム

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JPWO2023176739A1 JPWO2023176739A1 (https=) 2023-09-21
JPWO2023176739A5 JPWO2023176739A5 (https=) 2024-02-22
JP7450827B2 true JP7450827B2 (ja) 2024-03-15

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JP (1) JP7450827B2 (https=)
WO (1) WO2023176739A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6809516B1 (en) 1999-04-05 2004-10-26 Spinix Corporation Passive magnetic field sensors having magnetostrictive and piezoelectric materials
JP2012037508A (ja) 2010-07-12 2012-02-23 Sumida Corporation 電流センサ
JP2021081240A (ja) 2019-11-15 2021-05-27 株式会社ダイヘン 電気信号検出装置
CN112881781A (zh) 2021-01-20 2021-06-01 西南交通大学 一种无源雷电流传感器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6809516B1 (en) 1999-04-05 2004-10-26 Spinix Corporation Passive magnetic field sensors having magnetostrictive and piezoelectric materials
JP2012037508A (ja) 2010-07-12 2012-02-23 Sumida Corporation 電流センサ
JP2021081240A (ja) 2019-11-15 2021-05-27 株式会社ダイヘン 電気信号検出装置
CN112881781A (zh) 2021-01-20 2021-06-01 西南交通大学 一种无源雷电流传感器

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WO2023176739A1 (ja) 2023-09-21
JPWO2023176739A1 (https=) 2023-09-21

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