AU7867691A - Electrical protection devices - Google Patents
Electrical protection devicesInfo
- Publication number
- AU7867691A AU7867691A AU78676/91A AU7867691A AU7867691A AU 7867691 A AU7867691 A AU 7867691A AU 78676/91 A AU78676/91 A AU 78676/91A AU 7867691 A AU7867691 A AU 7867691A AU 7867691 A AU7867691 A AU 7867691A
- Authority
- AU
- Australia
- Prior art keywords
- protection devices
- electrical protection
- electrical
- devices
- protection
- 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.)
- Abandoned
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/06—Arrangements for supplying operative power
-
- 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
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9011795A GB2244396B (en) | 1990-05-25 | 1990-05-25 | Electrical protection devices |
GB9011795 | 1990-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU7867691A true AU7867691A (en) | 1991-12-31 |
Family
ID=10676600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU78676/91A Abandoned AU7867691A (en) | 1990-05-25 | 1991-05-22 | Electrical protection devices |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7867691A (en) |
GB (1) | GB2244396B (en) |
WO (1) | WO1991019339A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT410735B (en) * | 2001-06-12 | 2003-07-25 | Moeller Gebaeudeautomation Kg | CIRCUIT ARRANGEMENT FOR A FAULT CURRENT CIRCUIT BREAKER |
US7190124B2 (en) | 2005-05-16 | 2007-03-13 | Lutron Electronics Co., Inc. | Two-wire dimmer with power supply and load protection circuit in the event of switch failure |
KR101068718B1 (en) * | 2009-05-21 | 2011-09-28 | 엘에스산전 주식회사 | Abnormal current detecting circuit for circuit breaker |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3555359A (en) * | 1967-08-07 | 1971-01-12 | Hubbell Inc Harvey | Circuit protective device |
GB2047994A (en) * | 1979-02-23 | 1980-12-03 | Thorn Television Rentals Ltd | Current balance earth leakage circuit breaker |
US4271447A (en) * | 1979-07-31 | 1981-06-02 | General Electric Company | Power supply for circuit breaker static trip unit |
EP0295415B1 (en) * | 1987-06-19 | 1994-03-09 | Festo KG | Circuit for protection against fault currents |
US4833564A (en) * | 1987-09-24 | 1989-05-23 | Siemens Energy & Automation, Inc. | Current sensing relay circuit with adjustable sensitivity and tracking test circuit |
US4901219A (en) * | 1987-12-22 | 1990-02-13 | Square D Company | Plug-in power supply |
US4860157A (en) * | 1988-04-25 | 1989-08-22 | General Electric Company | Molded case circuit breaker actuator-accessory module |
-
1990
- 1990-05-25 GB GB9011795A patent/GB2244396B/en not_active Expired - Fee Related
-
1991
- 1991-05-22 AU AU78676/91A patent/AU7867691A/en not_active Abandoned
- 1991-05-22 WO PCT/GB1991/000805 patent/WO1991019339A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2244396B (en) | 1994-02-23 |
WO1991019339A1 (en) | 1991-12-12 |
GB2244396A (en) | 1991-11-27 |
GB9011795D0 (en) | 1990-07-18 |
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