GB8430852D0 - Fault detection circuitry - Google Patents
Fault detection circuitryInfo
- Publication number
- GB8430852D0 GB8430852D0 GB848430852A GB8430852A GB8430852D0 GB 8430852 D0 GB8430852 D0 GB 8430852D0 GB 848430852 A GB848430852 A GB 848430852A GB 8430852 A GB8430852 A GB 8430852A GB 8430852 D0 GB8430852 D0 GB 8430852D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- fault detection
- detection circuitry
- circuitry
- fault
- detection
- 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
Links
Classifications
-
- 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
- H02H3/338—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 also responsive to wiring error, e.g. loss of neutral, break
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB838332815A GB8332815D0 (en) | 1983-12-08 | 1983-12-08 | Electrical accessories |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8430852D0 true GB8430852D0 (en) | 1985-01-16 |
GB2150374A GB2150374A (en) | 1985-06-26 |
GB2150374B GB2150374B (en) | 1987-08-05 |
Family
ID=10553030
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB838332815A Pending GB8332815D0 (en) | 1983-12-08 | 1983-12-08 | Electrical accessories |
GB08430852A Expired GB2150374B (en) | 1983-12-08 | 1984-12-06 | Fault detection circuitry |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB838332815A Pending GB8332815D0 (en) | 1983-12-08 | 1983-12-08 | Electrical accessories |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8332815D0 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2162708B (en) * | 1984-07-27 | 1988-12-14 | Technology Res Corp | Ground fault current interrupter circuit with open neutral, and ground lead protection |
US4598331A (en) * | 1984-07-30 | 1986-07-01 | Technology Research Corporation | Ground fault current interrupter circuit with open neutral and ground lead protection |
AT385155B (en) * | 1984-08-10 | 1988-02-25 | Schrack Elektronik Ag | CIRCUIT ARRANGEMENT FOR CONTROLLING A MAINS SWITCHING DEVICE |
GB2244398B (en) * | 1990-05-25 | 1994-03-16 | Mk Electric Ltd | Electrical protection devices |
ZA94924B (en) * | 1993-07-09 | 1994-08-24 | Circuit Breaker Ind | An earth leakage unit |
JP2992449B2 (en) * | 1994-11-15 | 1999-12-20 | 松下電工株式会社 | Circuit breaker |
CN101682184A (en) * | 2006-11-24 | 2010-03-24 | 杰米那资产管理(6)有限公司 | Power supply monitoring system |
CN103187703B (en) * | 2011-12-28 | 2016-06-22 | 苏州益而益电器制造有限公司 | Electrical connection protection device |
CN103178492A (en) * | 2013-03-28 | 2013-06-26 | 余姚市嘉荣电子电器有限公司 | Leakage protector with electrified earth line protection function |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB830018A (en) * | 1957-03-13 | 1960-03-09 | Michael Cornelius Gerrard | Protective device for electrical circuits and apparatus |
AT216609B (en) * | 1960-07-07 | 1961-08-10 | Eduard Dr Schrack | Residual current circuit breaker |
GB1107879A (en) * | 1964-04-17 | 1968-03-27 | J A Crabtree Proprietary Ltd | Improvements in or relating to earth leakage protection devices |
US4180841A (en) * | 1977-11-21 | 1979-12-25 | Westinghouse Electric Corp. | Ground fault circuit interrupter with grounded neutral protection |
US4268885A (en) * | 1979-08-02 | 1981-05-19 | Slater Electric Inc. | GFI Sensor circuit |
GB2077531B (en) * | 1980-06-04 | 1983-06-08 | Evans Jacob Donald | Fault detection in n-phase system |
GB2108339B (en) * | 1981-07-07 | 1985-08-07 | Secr Defence | Electric protective circuits |
GB2128047B (en) * | 1982-10-05 | 1986-10-08 | Northern Eng Ind | Earth leakage monitor & earth proving apparatus |
-
1983
- 1983-12-08 GB GB838332815A patent/GB8332815D0/en active Pending
-
1984
- 1984-12-06 GB GB08430852A patent/GB2150374B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8332815D0 (en) | 1984-01-18 |
GB2150374A (en) | 1985-06-26 |
GB2150374B (en) | 1987-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921206 |