JP4742232B2 - 漏電遮断器 - Google Patents
漏電遮断器 Download PDFInfo
- Publication number
- JP4742232B2 JP4742232B2 JP2005121052A JP2005121052A JP4742232B2 JP 4742232 B2 JP4742232 B2 JP 4742232B2 JP 2005121052 A JP2005121052 A JP 2005121052A JP 2005121052 A JP2005121052 A JP 2005121052A JP 4742232 B2 JP4742232 B2 JP 4742232B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- leakage
- test
- current
- phase
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims description 25
- 230000010355 oscillation Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 19
- 238000004088 simulation Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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)
Description
発振回路7cから零相変流器3のテスト巻線3tに供給されるテスト電流Itの大きさは、電源回路5の出力電圧V1と抵抗7aによって決定されるので、抵抗7aの大きさを調整することによって所定値に設定できる。
1 :交流電路
1A:電源側接続端子
1B:負荷側接続端子
2 :開閉部
3 :零相変流器
3a:漏電電流検出巻線
3t:テスト巻線
4 :引外し装置
5 :電源回路
51:3相全波整流回路
52:定電圧回路
6 :漏電判別回路
7 :テスト回路
7a:調整抵抗
7b:テストスイッチ
7c:発振回路
Claims (3)
- 多相交流電路を開閉する開閉部と、前記多相交流電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電流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判別回路と、この漏電判別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遮断する引外し装置と、前記多相交流電路から前記漏電判別回路へ電力を供給する電源回路と、前記零相変流器のテスト巻線に漏電模擬電流を供給するようにしたテスト回路とを備えた漏電遮断器において、前記電源回路は、多相交流電路の全相の電路から給電される多相交流電圧の全相の電圧を整流して直流電圧に変換する多相整流回路を備え、前記テスト回路は、前記電源回路から供給される直流電圧により発振して所定の周波数で振動する漏電模擬電流を発生する発振回路とこの発振回路から前記零相変流器に漏電模擬電流を供給する回路の開閉を操作するテストスイッチとから構成されている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、テスト回路の発振回路は、商用周波数(50または
60Hz)以外の発振周波数に設定されていることを特徴とする漏電遮断器。 - 請求項1または2に記載の漏電遮断器において、前記零相変流器のテスト巻線を2ターン
以上の巻数としたことを特徴とする漏電遮断器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005121052A JP4742232B2 (ja) | 2005-04-19 | 2005-04-19 | 漏電遮断器 |
KR1020060021870A KR100972274B1 (ko) | 2005-04-19 | 2006-03-08 | 누전차단기 |
FR0603089A FR2884644B1 (fr) | 2005-04-19 | 2006-04-07 | Disjoncteur de fuite a la terre |
CN2006100739964A CN1855341B (zh) | 2005-04-19 | 2006-04-18 | 漏电电路断流器 |
TW095113986A TWI368371B (en) | 2005-04-19 | 2006-04-19 | Ground fault circuit interrupter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005121052A JP4742232B2 (ja) | 2005-04-19 | 2005-04-19 | 漏電遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006302601A JP2006302601A (ja) | 2006-11-02 |
JP4742232B2 true JP4742232B2 (ja) | 2011-08-10 |
Family
ID=37057433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005121052A Active JP4742232B2 (ja) | 2005-04-19 | 2005-04-19 | 漏電遮断器 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4742232B2 (ja) |
KR (1) | KR100972274B1 (ja) |
CN (1) | CN1855341B (ja) |
FR (1) | FR2884644B1 (ja) |
TW (1) | TWI368371B (ja) |
Families Citing this family (12)
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 |
KR100803379B1 (ko) * | 2007-05-23 | 2008-02-15 | 주식회사 대일프로텍 | 가로등 분전함용 감시제어장치 |
KR100902683B1 (ko) | 2007-06-08 | 2009-06-15 | 주식회사 대륙 | 누전차단기 |
KR100924726B1 (ko) * | 2007-11-15 | 2009-11-04 | 주식회사 대륙 | 테스트 회로를 이용한 누전차단기의 전원역접속회로 |
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 |
WO2012014364A1 (ja) * | 2010-07-30 | 2012-02-02 | パナソニック株式会社 | 電気推進車両用充電器及びそれに適用される漏電確認方法 |
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 |
KR102485205B1 (ko) * | 2018-01-30 | 2023-01-05 | 엘에스일렉트릭(주) | 누전차단기 |
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
Also Published As
Publication number | Publication date |
---|---|
FR2884644A1 (fr) | 2006-10-20 |
KR100972274B1 (ko) | 2010-07-23 |
FR2884644B1 (fr) | 2019-06-28 |
TW200707875A (en) | 2007-02-16 |
KR20060110749A (ko) | 2006-10-25 |
JP2006302601A (ja) | 2006-11-02 |
CN1855341A (zh) | 2006-11-01 |
CN1855341B (zh) | 2010-10-06 |
TWI368371B (en) | 2012-07-11 |
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