GB9414873D0 - Current imbalance sensor - Google Patents
Current imbalance sensorInfo
- Publication number
- GB9414873D0 GB9414873D0 GB9414873A GB9414873A GB9414873D0 GB 9414873 D0 GB9414873 D0 GB 9414873D0 GB 9414873 A GB9414873 A GB 9414873A GB 9414873 A GB9414873 A GB 9414873A GB 9414873 D0 GB9414873 D0 GB 9414873D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- current imbalance
- imbalance sensor
- sensor
- current
- imbalance
- 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.)
- Pending
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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
-
- 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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/146—Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current
-
- 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
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
- H01H2083/148—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer with primary windings formed of rigid copper conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9414873A GB9414873D0 (en) | 1994-07-23 | 1994-07-23 | Current imbalance sensor |
PCT/GB1995/001691 WO1996003760A1 (en) | 1994-07-23 | 1995-07-18 | Current imbalance sensor |
AU29342/95A AU2934295A (en) | 1994-07-23 | 1995-07-18 | Current imbalance sensor |
ZA956113A ZA956113B (en) | 1994-07-23 | 1995-07-21 | Current imbalance sensor |
TW084107614A TW276345B (en) | 1994-07-23 | 1995-07-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9414873A GB9414873D0 (en) | 1994-07-23 | 1994-07-23 | Current imbalance sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9414873D0 true GB9414873D0 (en) | 1994-09-14 |
Family
ID=10758774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9414873A Pending GB9414873D0 (en) | 1994-07-23 | 1994-07-23 | Current imbalance sensor |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU2934295A (en) |
GB (1) | GB9414873D0 (en) |
TW (1) | TW276345B (en) |
WO (1) | WO1996003760A1 (en) |
ZA (1) | ZA956113B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19606122C2 (en) * | 1996-02-20 | 1998-06-04 | Metrawatt Gmbh Gossen | Laboratory test device for determining the insulation quality of a consumer that can be connected to it for test purposes |
EP0903765B1 (en) * | 1997-09-19 | 2002-11-13 | Circuit Breaker Industries Limited | A circuit breaker |
ITBG20030034A1 (en) * | 2003-05-20 | 2004-11-21 | Abb Service Srl | DEVICE FOR CONTAINING HALF CURRENT SENSORS. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB719219A (en) * | 1951-04-14 | 1954-12-01 | Anderson Boyes & Co Ltd | Improvements in or relating to polyphase current transformers for use in earth leakage protective systems |
DE3140866A1 (en) * | 1981-10-14 | 1983-04-21 | Siemens AG, 1000 Berlin und 8000 München | ARRANGEMENT FOR PREVENTING MISTAKE PULSES OF A TOTAL CURRENT TRANSFORMER |
FR2625834B1 (en) * | 1988-01-07 | 1990-09-07 | Merlin Gerin | DIFFERENTIAL RELAY WITH PLUG-IN TORQUE |
DE4215900C1 (en) * | 1992-05-14 | 1993-12-23 | Siemens Ag | Difference current detection system for DC fault current - has three or more current conductors arranged symmetrical to centre of sum current transducer core |
-
1994
- 1994-07-23 GB GB9414873A patent/GB9414873D0/en active Pending
-
1995
- 1995-07-18 WO PCT/GB1995/001691 patent/WO1996003760A1/en active Application Filing
- 1995-07-18 AU AU29342/95A patent/AU2934295A/en not_active Abandoned
- 1995-07-21 ZA ZA956113A patent/ZA956113B/en unknown
- 1995-07-22 TW TW084107614A patent/TW276345B/zh active
Also Published As
Publication number | Publication date |
---|---|
TW276345B (en) | 1996-05-21 |
ZA956113B (en) | 1996-03-06 |
AU2934295A (en) | 1996-02-22 |
WO1996003760A1 (en) | 1996-02-08 |
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