GB2311177B - Residual current devices - Google Patents
Residual current devicesInfo
- Publication number
- GB2311177B GB2311177B GB9704006A GB9704006A GB2311177B GB 2311177 B GB2311177 B GB 2311177B GB 9704006 A GB9704006 A GB 9704006A GB 9704006 A GB9704006 A GB 9704006A GB 2311177 B GB2311177 B GB 2311177B
- Authority
- GB
- United Kingdom
- Prior art keywords
- residual current
- current devices
- devices
- residual
- current
- 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 - Lifetime
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9605307.9A GB9605307D0 (en) | 1996-03-13 | 1996-03-13 | Residual current devices |
EP98300497A EP0931883A1 (en) | 1996-07-16 | 1998-01-26 | Improvements in and relating to cisterns |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9704006D0 GB9704006D0 (en) | 1997-04-16 |
GB2311177A GB2311177A (en) | 1997-09-17 |
GB2311177B true GB2311177B (en) | 2000-08-02 |
Family
ID=26151114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9704006A Expired - Lifetime GB2311177B (en) | 1996-03-13 | 1997-02-26 | Residual current devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2311177B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2366676A (en) * | 2000-03-22 | 2002-03-13 | Shakira Ltd | Residual current device |
GB2377834B (en) * | 2001-05-31 | 2003-09-17 | Shakira Ltd | Residual current device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0154450A1 (en) * | 1984-02-23 | 1985-09-11 | Delta Electrical (Holdings) Limited | Earth leakage protective circuit |
GB2204199A (en) * | 1987-05-02 | 1988-11-02 | Ashley Accessories Ltd | Residual current circuit breaker |
GB2224404A (en) * | 1988-10-25 | 1990-05-02 | Shakira Ltd | Residual current device with missing neutral protection |
GB2295284A (en) * | 1994-11-15 | 1996-05-22 | Matsushita Electric Works Ltd | Circuit breaker |
-
1997
- 1997-02-26 GB GB9704006A patent/GB2311177B/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0154450A1 (en) * | 1984-02-23 | 1985-09-11 | Delta Electrical (Holdings) Limited | Earth leakage protective circuit |
GB2204199A (en) * | 1987-05-02 | 1988-11-02 | Ashley Accessories Ltd | Residual current circuit breaker |
GB2224404A (en) * | 1988-10-25 | 1990-05-02 | Shakira Ltd | Residual current device with missing neutral protection |
GB2295284A (en) * | 1994-11-15 | 1996-05-22 | Matsushita Electric Works Ltd | Circuit breaker |
Also Published As
Publication number | Publication date |
---|---|
GB2311177A (en) | 1997-09-17 |
GB9704006D0 (en) | 1997-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2316573B (en) | Switching apparatus | |
GB2315172B (en) | Electrical apparatus | |
EP0843404A4 (en) | Electric circuit | |
HU9702216D0 (en) | Electric switch | |
GB2310957B (en) | Electric switch | |
GB9416569D0 (en) | Residual current devices | |
GB2310737B (en) | Voltage reference circuit | |
HK1008260A1 (en) | Switch | |
GB9621142D0 (en) | Current limiting device | |
GB9605367D0 (en) | Switchgear device | |
PL323991A1 (en) | Electric circuit-breaker | |
GB2334795B (en) | Time switch | |
GB9613266D0 (en) | Current limiting device | |
GB2286936B (en) | Residual current circuit | |
GB2311177B (en) | Residual current devices | |
GB2305315B (en) | Residual current devices | |
GB9603192D0 (en) | Browband devices | |
GB9624398D0 (en) | Electrical apparatus | |
HUP0003481A3 (en) | Residual current circuit-breaker | |
HK1009881A1 (en) | An electric switch | |
GB9602320D0 (en) | Electric switch | |
TW408843U (en) | Electrical parts | |
SG63695A1 (en) | Residual current devices | |
GB2318453B (en) | Switch | |
GR970200038U (en) | Electric mopper |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PE20 | Patent expired after termination of 20 years |
Expiry date: 20170225 |