JPWO2023281696A1 - - Google Patents
Info
- Publication number
- JPWO2023281696A1 JPWO2023281696A1 JP2021564252A JP2021564252A JPWO2023281696A1 JP WO2023281696 A1 JPWO2023281696 A1 JP WO2023281696A1 JP 2021564252 A JP2021564252 A JP 2021564252A JP 2021564252 A JP2021564252 A JP 2021564252A JP WO2023281696 A1 JPWO2023281696 A1 JP WO2023281696A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
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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
- 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
- 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
Landscapes
- 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)
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 |
|---|---|
| JP7005824B1 JP7005824B1 (ja) | 2022-01-24 |
| JPWO2023281696A1 true JPWO2023281696A1 (https=) | 2023-01-12 |
Family
ID=80624123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021564252A Active JP7005824B1 (ja) | 2021-07-08 | 2021-07-08 | 漏電センサおよび電路保護システム |
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)
| 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 |
Family Cites Families (10)
| 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 |
| JP5943768B2 (ja) * | 2011-08-25 | 2016-07-05 | 三菱電機株式会社 | 直流電流検出装置 |
| JP6188430B2 (ja) | 2013-06-03 | 2017-08-30 | 三菱電機株式会社 | 電流検出装置 |
| JP6298581B2 (ja) * | 2013-09-30 | 2018-03-20 | 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 |
| 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 |
-
2021
- 2021-07-08 KR KR1020237039894A patent/KR102794213B1/ko active Active
- 2021-07-08 WO PCT/JP2021/025779 patent/WO2023281696A1/ja not_active Ceased
- 2021-07-08 CN CN202180099489.0A patent/CN117501139A/zh active Pending
- 2021-07-08 JP JP2021564252A patent/JP7005824B1/ja active Active
- 2021-07-08 DE DE112021007937.9T patent/DE112021007937T5/de active Pending
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 |
| KR102794213B1 (ko) | 2025-04-11 |
| WO2023281696A1 (ja) | 2023-01-12 |
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