GB2065394B - Apparatus for sensing short circuit faults - Google Patents
Apparatus for sensing short circuit faultsInfo
- Publication number
- GB2065394B GB2065394B GB7939141A GB7939141A GB2065394B GB 2065394 B GB2065394 B GB 2065394B GB 7939141 A GB7939141 A GB 7939141A GB 7939141 A GB7939141 A GB 7939141A GB 2065394 B GB2065394 B GB 2065394B
- Authority
- GB
- United Kingdom
- Prior art keywords
- short circuit
- circuit faults
- sensing short
- sensing
- faults
- 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
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
- H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
- H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0855—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load avoiding response to transient overloads, e.g. during starting
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7939141A GB2065394B (en) | 1979-11-12 | 1979-11-12 | Apparatus for sensing short circuit faults |
ZA00812829A ZA812829B (en) | 1979-11-12 | 1981-04-29 | Apparatus for sensing short circult faults |
AU70098/81A AU7009881A (en) | 1979-11-12 | 1981-05-04 | Sensing short circuit faults |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7939141A GB2065394B (en) | 1979-11-12 | 1979-11-12 | Apparatus for sensing short circuit faults |
ZA00812829A ZA812829B (en) | 1979-11-12 | 1981-04-29 | Apparatus for sensing short circult faults |
AU70098/81A AU7009881A (en) | 1979-11-12 | 1981-05-04 | Sensing short circuit faults |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2065394A GB2065394A (en) | 1981-06-24 |
GB2065394B true GB2065394B (en) | 1983-08-17 |
Family
ID=27155842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7939141A Expired GB2065394B (en) | 1979-11-12 | 1979-11-12 | Apparatus for sensing short circuit faults |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7009881A (en) |
GB (1) | GB2065394B (en) |
ZA (1) | ZA812829B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19741662C2 (en) * | 1997-09-16 | 2001-03-08 | Wiktor Silbermann | Procedure for fully selective reserve protection in cable networks |
GB2395377B (en) | 2002-11-13 | 2006-02-01 | Frdx Ltd | Fault detection apparatus and method |
CN102012474A (en) * | 2010-09-20 | 2011-04-13 | 陶作存 | Interphase short circuit pre-detection process for coal mine high voltage and low voltage power lines |
CN102324723B (en) * | 2011-09-21 | 2014-04-09 | 山东一统电器有限公司 | Flameproof phase-sensitive short circuit protection feed switch and working method thereof |
US11143711B2 (en) * | 2019-01-16 | 2021-10-12 | Samsung Electro-Mechanics Co., Ltd. | Apparatus and method for detecting wiring short in substrate |
-
1979
- 1979-11-12 GB GB7939141A patent/GB2065394B/en not_active Expired
-
1981
- 1981-04-29 ZA ZA00812829A patent/ZA812829B/en unknown
- 1981-05-04 AU AU70098/81A patent/AU7009881A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
GB2065394A (en) | 1981-06-24 |
AU7009881A (en) | 1982-11-11 |
ZA812829B (en) | 1982-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921112 |