KR20060110749A - 누전차단기 - Google Patents
누전차단기 Download PDFInfo
- Publication number
- KR20060110749A KR20060110749A KR1020060021870A KR20060021870A KR20060110749A KR 20060110749 A KR20060110749 A KR 20060110749A KR 1020060021870 A KR1020060021870 A KR 1020060021870A KR 20060021870 A KR20060021870 A KR 20060021870A KR 20060110749 A KR20060110749 A KR 20060110749A
- Authority
- KR
- South Korea
- Prior art keywords
- circuit
- current
- test
- leakage
- earth leakage
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
- H02H3/334—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
- H02H3/335—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
Claims (3)
- 다상교류전로(multiphase alternating current electrical paths)를 개폐하는 개폐부와, 상기 다상교류전로의 누전전류를 검출하는 영상변류기(zero-phase current transformer)와, 상기 영상변류기의 누전전류 검출코일의 출력전류로부터 누전 발생의 유무를 판정하는 누전판별회로와, 상기 누전판별회로의 누전 발생을 나타내는 출력신호에 의해 상기 개폐부를 트립하여 차단하는 트립 장치(tripping device)와, 상기 다상교류전로로부터 상기 누전판별회로로 전력을 공급하는 전원회로와, 상기 영상변류기의 테스트코일에 누전모의전류를 공급하도록 한 테스트회로를 구비한 누전차단기로서,상기 전원회로는, 다상교류전로의 모든 상의 전로로부터 급전되며, 상기 테스트회로는, 상기 전원회로를 전원으로 하여 누전모의전류를 발생시키는 발진회로와, 상기 발진회로로부터 상기 영상변류기로 누전모의전류를 공급하는 회로의 개폐를 조작하는 테스트스위치로 구성되어 있는 것을 특징으로 하는 누전차단기.
- 제 1항에 있어서, 테스트회로의 발진회로는, 상용주파수(50 또는 60Hz) 이외의 발진주파수로 설정되어 있는 것을 특징으로 하는 누전차단기.
- 제 1항 또는 제 2항에 있어서, 상기 영상변류기의 테스트코일의 권선수를 2회전(turn) 이상으로 한 것을 특징으로 하는 누전차단기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00121052 | 2005-04-19 | ||
JP2005121052A JP4742232B2 (ja) | 2005-04-19 | 2005-04-19 | 漏電遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060110749A true KR20060110749A (ko) | 2006-10-25 |
KR100972274B1 KR100972274B1 (ko) | 2010-07-23 |
Family
ID=37057433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060021870A KR100972274B1 (ko) | 2005-04-19 | 2006-03-08 | 누전차단기 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4742232B2 (ko) |
KR (1) | KR100972274B1 (ko) |
CN (1) | CN1855341B (ko) |
FR (1) | FR2884644B1 (ko) |
TW (1) | TWI368371B (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100803379B1 (ko) * | 2007-05-23 | 2008-02-15 | 주식회사 대일프로텍 | 가로등 분전함용 감시제어장치 |
KR100924726B1 (ko) * | 2007-11-15 | 2009-11-04 | 주식회사 대륙 | 테스트 회로를 이용한 누전차단기의 전원역접속회로 |
KR20190092142A (ko) * | 2018-01-30 | 2019-08-07 | 엘에스산전 주식회사 | 누전차단기 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4369417B2 (ja) * | 2005-11-30 | 2009-11-18 | 三菱電機株式会社 | 漏電遮断器 |
KR100902683B1 (ko) | 2007-06-08 | 2009-06-15 | 주식회사 대륙 | 누전차단기 |
CN101888082B (zh) * | 2010-07-09 | 2013-05-01 | 上海诺雅克电气有限公司 | 剩余电流保护器 |
EP2600484B1 (en) * | 2010-07-30 | 2019-02-27 | Panasonic Intellectual Property Management Co., Ltd. | Battery charger for an electrically-driven vehicle and method of confirming earth leakage applicable thereto |
KR101326418B1 (ko) | 2012-06-05 | 2013-11-11 | 엘에스산전 주식회사 | 결상시 동작가능한 누전차단기의 테스트회로 |
CN103399236B (zh) * | 2013-08-01 | 2015-12-02 | 德力西电气有限公司 | 一种剩余电流保护的试验电路 |
JP6137982B2 (ja) * | 2013-08-01 | 2017-05-31 | 三菱電機株式会社 | 漏電遮断器 |
KR101889535B1 (ko) | 2016-09-21 | 2018-08-22 | 주식회사 이진스 | 누전차단기 |
CN107332201A (zh) * | 2017-08-23 | 2017-11-07 | 浙江夏兴电子科技股份有限公司 | 一种适用于三相电路模拟泄漏电流产生电路 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR920008243Y1 (ko) * | 1989-03-10 | 1992-11-14 | 시끼 모리야 | 누전경보기능부가 배선용 차단기 |
KR100277921B1 (ko) | 1998-07-07 | 2001-01-15 | 이종수 | 누전차단 점검장치 및 방법 |
IT1319714B1 (it) * | 2000-12-28 | 2003-11-03 | Abb Ricerca Spa | Interruttore differenziale elettronico di bassa tensione aventefunzionalita' migliorate |
JP4534373B2 (ja) * | 2001-03-26 | 2010-09-01 | 三菱電機株式会社 | 漏洩電流表示ユニット付回路遮断器 |
JP2004015961A (ja) * | 2002-06-10 | 2004-01-15 | Kawamura Electric Inc | 三相欠相保護付漏電遮断器 |
GB0226111D0 (en) * | 2002-11-08 | 2002-12-18 | Delta Electrical Ltd | Residual current devices |
JP4253700B2 (ja) * | 2002-12-16 | 2009-04-15 | 富士電機機器制御株式会社 | 漏電遮断器 |
JP4264817B2 (ja) * | 2003-11-27 | 2009-05-20 | 富士電機機器制御株式会社 | 漏電遮断器 |
JP4400255B2 (ja) * | 2004-03-01 | 2010-01-20 | 富士電機機器制御株式会社 | 漏電遮断器 |
-
2005
- 2005-04-19 JP JP2005121052A patent/JP4742232B2/ja active Active
-
2006
- 2006-03-08 KR KR1020060021870A patent/KR100972274B1/ko active IP Right Grant
- 2006-04-07 FR FR0603089A patent/FR2884644B1/fr not_active Expired - Fee Related
- 2006-04-18 CN CN2006100739964A patent/CN1855341B/zh active Active
- 2006-04-19 TW TW095113986A patent/TWI368371B/zh active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100803379B1 (ko) * | 2007-05-23 | 2008-02-15 | 주식회사 대일프로텍 | 가로등 분전함용 감시제어장치 |
KR100924726B1 (ko) * | 2007-11-15 | 2009-11-04 | 주식회사 대륙 | 테스트 회로를 이용한 누전차단기의 전원역접속회로 |
KR20190092142A (ko) * | 2018-01-30 | 2019-08-07 | 엘에스산전 주식회사 | 누전차단기 |
Also Published As
Publication number | Publication date |
---|---|
TW200707875A (en) | 2007-02-16 |
FR2884644A1 (fr) | 2006-10-20 |
CN1855341B (zh) | 2010-10-06 |
FR2884644B1 (fr) | 2019-06-28 |
JP2006302601A (ja) | 2006-11-02 |
JP4742232B2 (ja) | 2011-08-10 |
TWI368371B (en) | 2012-07-11 |
KR100972274B1 (ko) | 2010-07-23 |
CN1855341A (zh) | 2006-11-01 |
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