JP2005251410A - 漏電遮断器 - Google Patents
漏電遮断器 Download PDFInfo
- Publication number
- JP2005251410A JP2005251410A JP2004056044A JP2004056044A JP2005251410A JP 2005251410 A JP2005251410 A JP 2005251410A JP 2004056044 A JP2004056044 A JP 2004056044A JP 2004056044 A JP2004056044 A JP 2004056044A JP 2005251410 A JP2005251410 A JP 2005251410A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- leakage
- test
- earth leakage
- voltage
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
-
- 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
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
-
- 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
- H02H3/16—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 fault current to earth, frame or mass
- H02H3/162—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 fault current to earth, frame or mass for ac systems
- H02H3/165—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 fault current to earth, frame or mass for ac systems for three-phase systems
-
- 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
- H02H3/34—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 of a three-phase system
- H02H3/347—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 of a three-phase system using summation current transformers
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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
-
- 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
Abstract
【解決手段】漏電遮断器における漏電検出回路に給電する電源回路を主回路の全相の交流電圧から所定の直流電圧に形成する直流電源回路により構成し、直流電圧の印加により交流の漏電模擬信号を発生し零相変流器のテスト巻線または漏電検出巻線に模擬漏電電流として供給する模擬信号発生回路と、漏電テスト時にオンして模擬信号発生回路に前記直流電源回路の出力にを加える第1のテストスイッチとを設ける。
【選択図】図1
Description
2 :主回路
3A:電源側接続端子
3B:負荷側接続端子
4 :直流電源回路
5 :零相変流器
51:検出巻線
52:テスト巻線
6 :漏電検出回路
7 :引はずし装置
8 :開閉部
10:テスト回路
11a:第1のテストスイッチ
11b:第2のテストスイッチ
12:模擬信号発生回路
Claims (3)
- 多相の主回路を開閉する開閉部と、主回路の漏電電流を検出する零相変流器と、この零相変流器の漏電検出巻線の出力電流から漏電の発生の有無を判定する漏電検出回路と、この漏電検出回路の漏電の発生を示す出力信号により前記開閉部を引外して主回路を遮断する引外し装置と、前記漏電検出回路へ電力を供給する電源回路とを備えた漏電遮断器において、前記電源回路を前記主回路の全相の交流電圧から所定の直流電圧に形成する直流電源回路により構成し、直流電圧の印加により交流の漏電模擬信号を発生し前記零相変流器のテスト巻線または漏電検出巻線に模擬漏電電流として供給する模擬信号発生回路と、漏電テスト時にオンして模擬信号発生回路を前記直流電源回路の出力に接続する第1のテストスイッチとを設けたことを特徴とする漏電遮断器。
- 請求項1記載の漏電遮断器において、さらに前記漏電検出回路の入力側に前記第1のテストスイッチに連動して相補的に動作する第2のテストスイッチを設け、この第2のテストスイッチを介して感度設定回路を接続したことを特徴とする漏電遮断器。
- 請求項2記載の漏電遮断器において、前記第1および第2のテストスイッチを同一構造のスイッチとし共通の操作バーを介して操作することを特徴とする漏電遮断器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004056044A JP4400255B2 (ja) | 2004-03-01 | 2004-03-01 | 漏電遮断器 |
KR1020050004039A KR100974782B1 (ko) | 2004-03-01 | 2005-01-17 | 누전 차단기 |
FR0501335A FR2866992A1 (fr) | 2004-03-01 | 2005-02-10 | Disjoncteur de fuite a la terre |
DE102005008431A DE102005008431A1 (de) | 2004-03-01 | 2005-02-24 | Fehlerstrom-Schutzschalter |
CNB2005100086893A CN100521432C (zh) | 2004-03-01 | 2005-03-01 | 接地漏电断路器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004056044A JP4400255B2 (ja) | 2004-03-01 | 2004-03-01 | 漏電遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005251410A true JP2005251410A (ja) | 2005-09-15 |
JP4400255B2 JP4400255B2 (ja) | 2010-01-20 |
Family
ID=34836470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004056044A Expired - Fee Related JP4400255B2 (ja) | 2004-03-01 | 2004-03-01 | 漏電遮断器 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4400255B2 (ja) |
KR (1) | KR100974782B1 (ja) |
CN (1) | CN100521432C (ja) |
DE (1) | DE102005008431A1 (ja) |
FR (1) | FR2866992A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007149603A (ja) * | 2005-11-30 | 2007-06-14 | Mitsubishi Electric Corp | 漏電遮断器 |
JP2009089574A (ja) * | 2007-10-03 | 2009-04-23 | Mitsubishi Electric Corp | 漏電遮断器 |
KR100923622B1 (ko) * | 2006-10-17 | 2009-10-23 | 후지 덴키 기기세이교 가부시끼가이샤 | 누전차단기 |
CN101888082A (zh) * | 2010-07-09 | 2010-11-17 | 上海诺雅克电气有限公司 | 剩余电流保护器 |
CN104897952A (zh) * | 2015-06-29 | 2015-09-09 | 天津市百利电气有限公司 | 电子式交流电流过载报警装置 |
CN111123095A (zh) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的电热电器制造有限公司 | 检测电路、电机检测方法、电机和家用电器 |
EP2548273B1 (en) * | 2010-03-15 | 2021-04-28 | Siemens Industry, Inc. | Method and apparatus for supervisory circuit for ground fault circuit interrupt device |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4742232B2 (ja) * | 2005-04-19 | 2011-08-10 | 富士電機株式会社 | 漏電遮断器 |
KR100924726B1 (ko) * | 2007-11-15 | 2009-11-04 | 주식회사 대륙 | 테스트 회로를 이용한 누전차단기의 전원역접속회로 |
JP4845910B2 (ja) * | 2008-03-17 | 2011-12-28 | 三菱電機株式会社 | 漏電遮断器 |
JP5163473B2 (ja) * | 2008-12-17 | 2013-03-13 | 三菱電機株式会社 | 漏電遮断器 |
KR101068700B1 (ko) * | 2008-12-31 | 2011-09-28 | 엘에스산전 주식회사 | 과전류 보호장치가 없는 누전차단기 및 그의 감도전류 설정방법 |
JP5140012B2 (ja) * | 2009-01-23 | 2013-02-06 | 三菱電機株式会社 | 漏電テスト装置及びこれを備えた漏電遮断器、回路遮断器、漏電監視装置 |
AT509839A3 (de) | 2010-04-14 | 2018-12-15 | Eaton Gmbh | Fehlerstromschutzschalter |
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 |
KR102337583B1 (ko) * | 2015-04-13 | 2021-12-09 | 엘에스일렉트릭(주) | 선택적 누전 차단 기능을 갖는 누전 차단 장치 |
DE102016213875A1 (de) * | 2016-07-28 | 2018-02-01 | Siemens Aktiengesellschaft | Fehlerstromschutzschalter |
KR102167390B1 (ko) * | 2019-04-17 | 2020-10-20 | 주식회사 코본테크 | 전자스위치를 이용한 누전 테스트회로 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4851950A (en) * | 1987-06-09 | 1989-07-25 | Bassani Ticino, S.P.A. | Electrical apparatus for magnetothermal and differential protection |
EP0370139B1 (en) * | 1988-11-22 | 1993-09-15 | Mitsubishi Denki Kabushiki Kaisha | Circuit breaker with overcurrent protection |
JP3230639B2 (ja) * | 1994-11-16 | 2001-11-19 | 三菱電機株式会社 | 地絡検出装置 |
JP2002078187A (ja) | 2000-08-28 | 2002-03-15 | Matsushita Electric Works Ltd | 漏電遮断器 |
IT1319714B1 (it) * | 2000-12-28 | 2003-11-03 | Abb Ricerca Spa | Interruttore differenziale elettronico di bassa tensione aventefunzionalita' migliorate |
JP2004015961A (ja) * | 2002-06-10 | 2004-01-15 | Kawamura Electric Inc | 三相欠相保護付漏電遮断器 |
JP3962340B2 (ja) | 2003-01-22 | 2007-08-22 | 寺崎電気産業株式会社 | 漏電遮断器 |
-
2004
- 2004-03-01 JP JP2004056044A patent/JP4400255B2/ja not_active Expired - Fee Related
-
2005
- 2005-01-17 KR KR1020050004039A patent/KR100974782B1/ko not_active IP Right Cessation
- 2005-02-10 FR FR0501335A patent/FR2866992A1/fr active Pending
- 2005-02-24 DE DE102005008431A patent/DE102005008431A1/de not_active Withdrawn
- 2005-03-01 CN CNB2005100086893A patent/CN100521432C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007149603A (ja) * | 2005-11-30 | 2007-06-14 | Mitsubishi Electric Corp | 漏電遮断器 |
KR100923622B1 (ko) * | 2006-10-17 | 2009-10-23 | 후지 덴키 기기세이교 가부시끼가이샤 | 누전차단기 |
JP2009089574A (ja) * | 2007-10-03 | 2009-04-23 | Mitsubishi Electric Corp | 漏電遮断器 |
EP2548273B1 (en) * | 2010-03-15 | 2021-04-28 | Siemens Industry, Inc. | Method and apparatus for supervisory circuit for ground fault circuit interrupt device |
CN101888082A (zh) * | 2010-07-09 | 2010-11-17 | 上海诺雅克电气有限公司 | 剩余电流保护器 |
CN104897952A (zh) * | 2015-06-29 | 2015-09-09 | 天津市百利电气有限公司 | 电子式交流电流过载报警装置 |
CN111123095A (zh) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的电热电器制造有限公司 | 检测电路、电机检测方法、电机和家用电器 |
CN111123095B (zh) * | 2018-10-31 | 2022-09-27 | 佛山市顺德区美的电热电器制造有限公司 | 检测电路、电机检测方法、电机和家用电器 |
Also Published As
Publication number | Publication date |
---|---|
CN100521432C (zh) | 2009-07-29 |
CN1665092A (zh) | 2005-09-07 |
KR100974782B1 (ko) | 2010-08-06 |
JP4400255B2 (ja) | 2010-01-20 |
FR2866992A1 (fr) | 2005-09-02 |
DE102005008431A1 (de) | 2005-10-20 |
KR20050088929A (ko) | 2005-09-07 |
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