DE69412938D1 - Erdschlussschalter - Google Patents
ErdschlussschalterInfo
- Publication number
- DE69412938D1 DE69412938D1 DE69412938T DE69412938T DE69412938D1 DE 69412938 D1 DE69412938 D1 DE 69412938D1 DE 69412938 T DE69412938 T DE 69412938T DE 69412938 T DE69412938 T DE 69412938T DE 69412938 D1 DE69412938 D1 DE 69412938D1
- Authority
- DE
- Germany
- Prior art keywords
- load
- voltage
- transformers
- current
- outputs
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- H02H3/08—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 excess current
- H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
- H02H3/105—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 excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0038—Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Protection Of Transformers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9312284A GB2279189A (en) | 1993-06-15 | 1993-06-15 | Earth fault circuit breaker |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69412938D1 true DE69412938D1 (de) | 1998-10-08 |
DE69412938T2 DE69412938T2 (de) | 1999-05-12 |
Family
ID=10737164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69412938T Expired - Fee Related DE69412938T2 (de) | 1993-06-15 | 1994-06-15 | Erdschlussschalter |
Country Status (10)
Country | Link |
---|---|
US (1) | US5559657A (de) |
EP (1) | EP0634826B1 (de) |
JP (1) | JPH07143669A (de) |
KR (1) | KR950001816A (de) |
CN (1) | CN1043392C (de) |
AT (1) | ATE170676T1 (de) |
CA (1) | CA2125799A1 (de) |
DE (1) | DE69412938T2 (de) |
GB (1) | GB2279189A (de) |
TW (1) | TW223713B (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2217604A1 (en) * | 1995-04-07 | 1996-10-10 | N.P.R. Technology Limited | A.c. power cut-off device |
GB2303005A (en) * | 1995-07-01 | 1997-02-05 | Ampy Automation Digilog | Controlling electrical supply to a consumer |
GB2303980B (en) * | 1995-08-02 | 1997-09-10 | Sheir Chun Lam | Circuit breaker |
FR2778033B1 (fr) | 1998-04-28 | 2000-07-13 | Legrand Sa | Dispositif de detection de niveau de courant pour la protection d'un circuit contre les surintensites en courant alternatif |
US6388451B1 (en) | 2000-08-16 | 2002-05-14 | Ford Global Technologies, Inc. | Leakage current cancellation device |
JP2002233045A (ja) * | 2001-02-02 | 2002-08-16 | Canon Inc | 太陽光発電システムの地絡検出のための装置及び方法 |
AU2002950581A0 (en) * | 2002-08-02 | 2002-09-12 | Wayne Callen | Electrical safety circuit |
KR100445339B1 (ko) * | 2002-11-01 | 2004-08-18 | 한국수력원자력 주식회사 | 직류신호선용 차전류 접지검출 장치 및 그 방법 |
CN100444489C (zh) * | 2003-02-03 | 2008-12-17 | 立维腾制造有限公司 | 使用单掷、双模按钮用于测试-复位功能的断路装置 |
CN100433481C (zh) * | 2005-07-18 | 2008-11-12 | 吴少华 | 接地故障断路器 |
US7920037B2 (en) * | 2008-05-08 | 2011-04-05 | Cooper Technologies Company | Fault interrupter and load break switch |
CN102610441B (zh) * | 2012-03-22 | 2014-07-09 | 通达科技国际有限公司 | 遥控互动电力开关 |
GB2505016A (en) * | 2012-08-16 | 2014-02-19 | Technology Logic Internat Ltd | Remote-control interactive power switch |
US20160276120A1 (en) * | 2014-03-21 | 2016-09-22 | General Electric Company | Systems and methods for energy saving contactor |
KR101631633B1 (ko) * | 2014-07-15 | 2016-06-17 | 엘에스산전 주식회사 | 고속 사고전류 검출 회로 |
US9806641B2 (en) | 2014-11-06 | 2017-10-31 | Rockwell Automation Technologies, Inc. | Detection of electric motor short circuits |
US10074497B2 (en) | 2014-11-06 | 2018-09-11 | Rockwell Automation Technologies, Inc. | Operator coil parameter based electromagnetic switching |
US9806642B2 (en) | 2014-11-06 | 2017-10-31 | Rockwell Automation Technologies, Inc. | Modular multiple single-pole electromagnetic switching system and method |
US10361051B2 (en) | 2014-11-06 | 2019-07-23 | Rockwell Automation Technologies, Inc. | Single pole, single current path switching system and method |
US9746521B2 (en) | 2014-11-06 | 2017-08-29 | Rockwell Automation Technologies, Inc. | 6-pole based wye-delta motor starting system and method |
US9722513B2 (en) | 2014-11-06 | 2017-08-01 | Rockwell Automation Technologies, Inc. | Torque-based stepwise motor starting |
US10141143B2 (en) | 2014-11-06 | 2018-11-27 | Rockwell Automation Technologies, Inc. | Wear-balanced electromagnetic motor control switching |
US9748873B2 (en) | 2014-11-06 | 2017-08-29 | Rockwell Automation Technologies, Inc. | 5-pole based wye-delta motor starting system and method |
WO2017157288A1 (en) * | 2016-03-14 | 2017-09-21 | The Hong Kong Polytechnic University | Control circuit and high frequency circuit breaker |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH529462A (de) * | 1970-08-29 | 1972-10-15 | Siemens Ag | Fehlerstromschutzschalteinrichtung |
CA970849A (en) * | 1972-09-18 | 1975-07-08 | Malcolm P. Macmartin | Low leakage isolating transformer for electromedical apparatus |
US3864581A (en) * | 1973-01-22 | 1975-02-04 | Varahur Srinivas Satyanarayana | Shock prevention device |
CH583466A5 (de) * | 1975-03-19 | 1976-12-31 | Bbc Brown Boveri & Cie | |
DE2611674A1 (de) * | 1976-03-19 | 1977-09-22 | Guenter Reichensperger | Schutzschalter |
GB1587222A (en) * | 1977-03-24 | 1981-04-01 | Matthews G F | Ground fault interruptor |
US4247879A (en) * | 1978-04-19 | 1981-01-27 | Westinghouse Electric Corp. | People protecting ground fault circuit breaker utilizing waveform characteristics |
US4580186A (en) * | 1983-07-15 | 1986-04-01 | Parker Douglas F | Grounding and ground fault detection circuits |
US5177657A (en) * | 1991-05-16 | 1993-01-05 | Felchar Manufacturing Corporation | Ground fault interruptor circuit with electronic latch |
US5173831A (en) * | 1991-08-19 | 1992-12-22 | Sammartano Arthur J | Neutral line circuit interrupter |
-
1993
- 1993-06-15 GB GB9312284A patent/GB2279189A/en not_active Withdrawn
- 1993-06-29 TW TW082105181A patent/TW223713B/zh active
-
1994
- 1994-06-14 CA CA002125799A patent/CA2125799A1/en not_active Abandoned
- 1994-06-15 DE DE69412938T patent/DE69412938T2/de not_active Expired - Fee Related
- 1994-06-15 CN CN94107603A patent/CN1043392C/zh not_active Expired - Fee Related
- 1994-06-15 JP JP6133187A patent/JPH07143669A/ja active Pending
- 1994-06-15 KR KR1019940013537A patent/KR950001816A/ko not_active Application Discontinuation
- 1994-06-15 EP EP94304341A patent/EP0634826B1/de not_active Expired - Lifetime
- 1994-06-15 AT AT94304341T patent/ATE170676T1/de not_active IP Right Cessation
- 1994-06-15 US US08/261,894 patent/US5559657A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69412938T2 (de) | 1999-05-12 |
JPH07143669A (ja) | 1995-06-02 |
CN1106568A (zh) | 1995-08-09 |
TW223713B (en) | 1994-05-11 |
KR950001816A (ko) | 1995-01-04 |
EP0634826A1 (de) | 1995-01-18 |
CN1043392C (zh) | 1999-05-12 |
GB9312284D0 (en) | 1993-07-28 |
ATE170676T1 (de) | 1998-09-15 |
EP0634826B1 (de) | 1998-09-02 |
US5559657A (en) | 1996-09-24 |
GB2279189A (en) | 1994-12-21 |
CA2125799A1 (en) | 1994-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: LANDT LICENSING COMPANY LTD., KOWLOON, HONGKONG, H |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |