GB1161734A - Improvements in fault detecting circuits - Google Patents
Improvements in fault detecting circuitsInfo
- Publication number
- GB1161734A GB1161734A GB4770365A GB4770365A GB1161734A GB 1161734 A GB1161734 A GB 1161734A GB 4770365 A GB4770365 A GB 4770365A GB 4770365 A GB4770365 A GB 4770365A GB 1161734 A GB1161734 A GB 1161734A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- gate
- signal
- provides
- alarm
- 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
- 235000014676 Phragmites communis Nutrition 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 1
Classifications
-
- 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
- H02H7/10—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 converters; for rectifiers
- H02H7/12—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 converters; for rectifiers for static converters or rectifiers
- H02H7/125—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 converters; for rectifiers for static converters or rectifiers for rectifiers
- H02H7/127—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 converters; for rectifiers for static converters or rectifiers for rectifiers having auxiliary control electrode to which blocking control voltages or currents are applied in case of emergency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Emergency Protection Circuit Devices (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4770365A GB1161734A (en) | 1965-11-10 | 1965-11-10 | Improvements in fault detecting circuits |
BE689415D BE689415A (enrdf_load_stackoverflow) | 1965-11-10 | 1966-11-08 | |
DE19661488906 DE1488906A1 (de) | 1965-11-10 | 1966-11-09 | Zuendfehlersuchschaltung fuer gesteuerte Gleichrichter |
NL6615828A NL6615828A (enrdf_load_stackoverflow) | 1965-11-10 | 1966-11-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4770365A GB1161734A (en) | 1965-11-10 | 1965-11-10 | Improvements in fault detecting circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1161734A true GB1161734A (en) | 1969-08-20 |
Family
ID=10445969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4770365A Expired GB1161734A (en) | 1965-11-10 | 1965-11-10 | Improvements in fault detecting circuits |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE689415A (enrdf_load_stackoverflow) |
DE (1) | DE1488906A1 (enrdf_load_stackoverflow) |
GB (1) | GB1161734A (enrdf_load_stackoverflow) |
NL (1) | NL6615828A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0249123A1 (de) * | 1986-06-06 | 1987-12-16 | BBC Brown Boveri AG | Verfahren zur Fehlerprüfung eines elektrischen Hochspannungsventils |
-
1965
- 1965-11-10 GB GB4770365A patent/GB1161734A/en not_active Expired
-
1966
- 1966-11-08 BE BE689415D patent/BE689415A/xx unknown
- 1966-11-09 DE DE19661488906 patent/DE1488906A1/de active Pending
- 1966-11-09 NL NL6615828A patent/NL6615828A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0249123A1 (de) * | 1986-06-06 | 1987-12-16 | BBC Brown Boveri AG | Verfahren zur Fehlerprüfung eines elektrischen Hochspannungsventils |
US4884025A (en) * | 1986-06-06 | 1989-11-28 | Asea Brown Boveri Ag | Process for the fault monitoring of an electric valve |
Also Published As
Publication number | Publication date |
---|---|
NL6615828A (enrdf_load_stackoverflow) | 1967-05-11 |
BE689415A (enrdf_load_stackoverflow) | 1967-04-14 |
DE1488906A1 (de) | 1969-08-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2026401A1 (en) | Solid state overload relay | |
GB1451564A (en) | Electrical network protection device | |
US3633071A (en) | Differential protective circuit | |
US3675079A (en) | Three phase electric switching system having rectifier shunted contacts | |
US3539866A (en) | Multi-zone fault protection systems | |
GB1161734A (en) | Improvements in fault detecting circuits | |
GB1438192A (en) | Breaker failure relay device | |
FR2345848A1 (fr) | Commutateur pour changeur de prises en charge | |
GB1288817A (enrdf_load_stackoverflow) | ||
US3735215A (en) | Self-powered relay target circuit | |
GB1097809A (en) | Improved circuit breaker control system | |
US2733399A (en) | Circuit breaker -control system | |
DE2702181C3 (de) | Kurzschluß-Schutzschaltung für über Halbleiterschalter ein- oder ausschaltbare Geräte, insbesondere für Lichtsteuergeräte | |
GB981892A (en) | Earth fault circuit-breaker | |
GB1248983A (en) | Distribution system having at least two contact systems connected in series | |
US2783394A (en) | Non-frequency responsive a.-c. voltage relay for distribution systems | |
GB1311719A (en) | Fault-detection circuit for use in the protection of an electrical system | |
SU758082A1 (ru) | Устройство для контроля релейной защиты 1 | |
SU1125670A1 (ru) | Устройство дл контрол исправности быстродействующей защиты сети переменного тока | |
GB1037577A (en) | Improvements in bus-bar protective devices | |
GB1350888A (en) | Multi-unit electric circuit breakers units | |
JPS5423951A (en) | Trip circuit like breaker | |
GB881384A (en) | A current rectifier or inverter installation including means for providing protection against overloads | |
GB1136181A (en) | High-voltage transmission system | |
GB1350063A (en) | Protection arrangements for ac distribution circuits |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |