KR20170090468A - 전류 검출 장치 - Google Patents
전류 검출 장치 Download PDFInfo
- Publication number
- KR20170090468A KR20170090468A KR1020177017990A KR20177017990A KR20170090468A KR 20170090468 A KR20170090468 A KR 20170090468A KR 1020177017990 A KR1020177017990 A KR 1020177017990A KR 20177017990 A KR20177017990 A KR 20177017990A KR 20170090468 A KR20170090468 A KR 20170090468A
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- KR
- South Korea
- Prior art keywords
- current
- power supply
- oscillation circuit
- section
- circuit
- 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.)
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Classifications
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- 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
-
- 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
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
도 2는 도 1에 나타내는 발진 회로부의 상세를 나타내는 회로도이다.
도 3은 도 1에 나타내는 차전류 산출부의 상세를 나타내는 회로도이다.
도 4는 도 2에 나타내는 발진 회로부의 출력 전압과 여자 전류를 나타내는 파형도이다.
도 5는 도 3에 나타내는 전류 검출 회로에서 검출된 전원 전류를 나타내는 파형도이다.
도 6은 실시 형태 2에 따른 전류 검출 장치의 개략 구성을 나타내는 블록도이다.
3: 여자 코일 4: 발진 회로부
4a: 플러스 전원 단자 4b: 마이너스 전원 단자
6: 차전류 산출부 6a: 전류 검출 회로
6b: 차전류 산출 회로 6c: 저항
7: 전원부 10a: 전류 센서 부분
10b: 전류 검출 부분 11: OP AMP
11a: 플러스 전원 단자 11b: 마이너스 전원 단자
12~17: 저항
Claims (2)
- 통전 전류가 흐르는 복수의 도선의 주위에 폐자로(閉磁路)가 형성되도록 배치된 고리 모양의 자성체 코어와,
상기 자성체 코어에 권회(卷回)된 여자 코일과,
상기 여자 코일에 인가하는 구형파(矩形波) 전압을 생성하는 발진 회로부와,
상기 발진 회로부의 전원 단자에 급전하는 전원부와,
상기 전원부로부터 상기 발진 회로부의 전원 단자에 흐르는 전원 전류를 검출하는 전류 검출 회로 및 상기 전원 전류에 기초하여 상기 복수의 도선의 통전 전류의 차(差)전류를 산출하는 차전류 산출 회로로 이루어지는 차전류 산출부를 구비한 것을 특징으로 하는 전류 검출 장치. - 청구항 1에 있어서,
상기 차전류 산출부 및 상기 전원부는, 상기 발진 회로부와는 분리되어, 떨어진 장소에 설치되어 있는 것을 특징으로 하는 전류 검출 장치.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/061204 WO2016163022A1 (ja) | 2015-04-10 | 2015-04-10 | 電流検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170090468A true KR20170090468A (ko) | 2017-08-07 |
| KR102071616B1 KR102071616B1 (ko) | 2020-01-30 |
Family
ID=57072688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177017990A Active KR102071616B1 (ko) | 2015-04-10 | 2015-04-10 | 전류 검출 장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10338104B2 (ko) |
| EP (1) | EP3282263B1 (ko) |
| JP (1) | JP6305639B2 (ko) |
| KR (1) | KR102071616B1 (ko) |
| CN (1) | CN107430153B (ko) |
| TW (1) | TWI550279B (ko) |
| WO (1) | WO2016163022A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190028829A (ko) * | 2017-09-10 | 2019-03-20 | 조병학 | 전기울타리 피크전류 측정기 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HK1224137A (zh) * | 2016-10-06 | 2017-08-11 | 陳偉權 號 | 用電量超負荷警報的裝置 |
| CN106771477B (zh) * | 2016-11-28 | 2020-09-01 | 国网福建省电力有限公司 | 大口径高灵敏度的高压直流电缆泄漏电流检测传感器 |
| US11047946B2 (en) * | 2018-05-08 | 2021-06-29 | Qualcomm Incorporated | Differential current sensing with robust path, voltage offset removal and process, voltage, temperature (PVT) tolerance |
| DE102018132775A1 (de) * | 2018-12-19 | 2020-06-25 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Schaltungsvorrichtung für ein Fahrzeug und Verfahren zum Betreiben einer Schaltungsvorrichtung |
| CN110609171B (zh) * | 2019-10-09 | 2022-06-07 | 青岛鼎信通讯股份有限公司 | 基于磁芯工作状态切换下的复杂剩余电流检测方法 |
| CN112557956B (zh) * | 2020-12-18 | 2025-08-08 | 珠海市运泰利自动化设备有限公司 | 一种利用线路阻抗测算板级芯片漏电流的装置及方法 |
| KR102541394B1 (ko) * | 2020-12-30 | 2023-06-13 | (유)중앙강재 | 고장예지 다면평가 테이블 기반 태양광 선로 절연 상태 위험 전조 및 스트링별 누설전류 감시 기능을 구비한 태양광 발전 장치 |
| TWI760185B (zh) * | 2021-04-14 | 2022-04-01 | 愛盛科技股份有限公司 | 漏電流偵測電路與磁通門驅動器 |
| CN113759288B (zh) * | 2021-11-08 | 2022-03-11 | 深圳市德兰明海科技有限公司 | 一种漏电流检测电路、方法及漏电流检测器 |
| CN115389804B (zh) * | 2022-08-19 | 2025-09-19 | 北京控制工程研究所 | 一种空间导电环工况模拟与检测系统 |
| US12607658B2 (en) | 2023-03-21 | 2026-04-21 | Qualcomm Incorporated | Current sensor with a time-interleaved impedance compensation scheme |
Citations (4)
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| US20100309592A1 (en) * | 2009-06-03 | 2010-12-09 | Siemens Industry, Inc. | Methods and apparatus for multi-frequency ground fault circuit interrupt grounded neutral fault detection |
| JP2011174849A (ja) * | 2010-02-25 | 2011-09-08 | Kyocera Corp | 磁気センサ装置および電流センサ装置 |
| JP2012002723A (ja) | 2010-06-18 | 2012-01-05 | Fuji Electric Co Ltd | 電流検知装置 |
| US20140320112A1 (en) * | 2012-02-29 | 2014-10-30 | Fuji Electric Fa Components & Systems Co., Ltd. | Current detecting device |
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| US4280162A (en) * | 1977-08-04 | 1981-07-21 | North American Philips Corporation | Ground fault circuit interrupter |
| US5223789A (en) | 1989-06-23 | 1993-06-29 | Fuji Electric Co., Ltd. | AC/DC current detecting method |
| JP2001033494A (ja) * | 1999-07-15 | 2001-02-09 | Toshiba Kyaria Kk | 交流電流検出装置 |
| JP3753120B2 (ja) * | 2002-10-02 | 2006-03-08 | 松下電器産業株式会社 | 双方向電流検出装置およびモータ駆動装置 |
| DE102005055272B4 (de) * | 2005-11-17 | 2008-07-31 | Gmc-I Gossen-Metrawatt Gmbh | Verfahren und Vorrichtung zur Ermittlung von Leckströmen in batteriegespeisten Netzen |
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| ES2761322T3 (es) * | 2011-05-20 | 2020-05-19 | Littelfuse Inc | Transformador de corriente CA/CC |
| CN202693658U (zh) * | 2012-05-24 | 2013-01-23 | 上海横川电气科技有限公司 | 差分电流检测装置 |
| JP6362837B2 (ja) * | 2012-08-29 | 2018-07-25 | 京セラ株式会社 | 零相変流器、地絡電流検出装置、パワーコンディショナ、及び零相変流器の故障検出方法 |
| CN104374982A (zh) * | 2014-07-25 | 2015-02-25 | 中国计量科学研究院 | 一种非接触式直流电流测量电路及方法 |
-
2015
- 2015-04-10 KR KR1020177017990A patent/KR102071616B1/ko active Active
- 2015-04-10 JP JP2017511433A patent/JP6305639B2/ja active Active
- 2015-04-10 WO PCT/JP2015/061204 patent/WO2016163022A1/ja not_active Ceased
- 2015-04-10 EP EP15888514.5A patent/EP3282263B1/en active Active
- 2015-04-10 CN CN201580078712.8A patent/CN107430153B/zh active Active
- 2015-04-10 US US15/525,179 patent/US10338104B2/en active Active
- 2015-08-04 TW TW104125201A patent/TWI550279B/zh active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100309592A1 (en) * | 2009-06-03 | 2010-12-09 | Siemens Industry, Inc. | Methods and apparatus for multi-frequency ground fault circuit interrupt grounded neutral fault detection |
| JP2011174849A (ja) * | 2010-02-25 | 2011-09-08 | Kyocera Corp | 磁気センサ装置および電流センサ装置 |
| JP2012002723A (ja) | 2010-06-18 | 2012-01-05 | Fuji Electric Co Ltd | 電流検知装置 |
| US20140320112A1 (en) * | 2012-02-29 | 2014-10-30 | Fuji Electric Fa Components & Systems Co., Ltd. | Current detecting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190028829A (ko) * | 2017-09-10 | 2019-03-20 | 조병학 | 전기울타리 피크전류 측정기 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3282263A4 (en) | 2018-12-05 |
| KR102071616B1 (ko) | 2020-01-30 |
| CN107430153B (zh) | 2020-08-07 |
| EP3282263B1 (en) | 2022-02-16 |
| WO2016163022A1 (ja) | 2016-10-13 |
| TWI550279B (zh) | 2016-09-21 |
| US10338104B2 (en) | 2019-07-02 |
| JPWO2016163022A1 (ja) | 2017-06-29 |
| CN107430153A (zh) | 2017-12-01 |
| JP6305639B2 (ja) | 2018-04-04 |
| US20170328933A1 (en) | 2017-11-16 |
| EP3282263A1 (en) | 2018-02-14 |
| TW201636624A (zh) | 2016-10-16 |
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