GB1460439A - Circuit breaker apparatus - Google Patents
Circuit breaker apparatusInfo
- Publication number
- GB1460439A GB1460439A GB2446073A GB2446073A GB1460439A GB 1460439 A GB1460439 A GB 1460439A GB 2446073 A GB2446073 A GB 2446073A GB 2446073 A GB2446073 A GB 2446073A GB 1460439 A GB1460439 A GB 1460439A
- Authority
- GB
- United Kingdom
- Prior art keywords
- turns
- circuit breaker
- core
- sets
- breaker apparatus
- 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
- H02H3/26—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Transformers (AREA)
Abstract
1460439 Core-balance protective systems ALLEN WEST-EAC Ltd 21 May 1974 [22 May 1973] 24460/73 Heading H2K A core-balance protective system has a current transformer 16 with a plurality of sets 22, 24 of primary windings and a common secondary winding 26, each set of primary windings (such as 22) having windings of the same number of turns and of a different number of turns to other sets (such as 24). One set of primaries may provide a low unbalance setting for its output circuit of say 35 mA. whilst the other set may operate the tripping device at a higher unbalance setting of say 300 mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2446073A GB1460439A (en) | 1973-05-22 | 1973-05-22 | Circuit breaker apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2446073A GB1460439A (en) | 1973-05-22 | 1973-05-22 | Circuit breaker apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1460439A true GB1460439A (en) | 1977-01-06 |
Family
ID=10212061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2446073A Expired GB1460439A (en) | 1973-05-22 | 1973-05-22 | Circuit breaker apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1460439A (en) |
-
1973
- 1973-05-22 GB GB2446073A patent/GB1460439A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1045402A (en) | Core type transformers | |
| AU502505B2 (en) | Transformer secondary circuit breaker | |
| GB1170473A (en) | A Transformer | |
| CA998160A (en) | Ground fault interrupter circuit with excited secondary winding on differential transformer | |
| GB1315185A (en) | Trigger circuit for controlled rectifiers | |
| GB1085417A (en) | Electrical apparatus | |
| GB1460439A (en) | Circuit breaker apparatus | |
| GB1094225A (en) | Improvements relating to current transformers | |
| GB1430056A (en) | Ignition coil | |
| GB1470170A (en) | Rectifier control circuit | |
| GB950459A (en) | Pulse generating apparatus for a multi-channel control system | |
| FR2376504A1 (en) | Current transformer in fault detecting circuit - has annular cylindrical core with looped insulated conductors | |
| JPS5380508A (en) | Motors | |
| CA999901A (en) | Circuit breaker for distribution transformer | |
| GB1162087A (en) | Improved Shunt Reactor for Electric Power Transmission Line | |
| GB1014116A (en) | Control signal device for step motor | |
| GB1041419A (en) | Improvements in and relating to auto-transformers | |
| GB869653A (en) | Improvements in or relating to electrical systems | |
| JPS5730430A (en) | Submarine relay device | |
| JPS53126136A (en) | Detector circuit for anomalous current | |
| GB1015248A (en) | Inductive windings | |
| GB893023A (en) | Electrical pulse divider device | |
| JPS5392424A (en) | Autotransformer | |
| GB984661A (en) | Three-phase current limiting reactor system | |
| CA807299A (en) | Means for short-circuiting of the secondary circuit of a current transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |