BE439538A - - Google Patents
Info
- Publication number
- BE439538A BE439538A BE439538DA BE439538A BE 439538 A BE439538 A BE 439538A BE 439538D A BE439538D A BE 439538DA BE 439538 A BE439538 A BE 439538A
- Authority
- BE
- Belgium
- Prior art keywords
- circuit
- coil
- guard device
- phase
- earth
- Prior art date
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
- H02H3/34—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 of a three-phase system
- H02H3/347—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 of a three-phase system using summation current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439538A true BE439538A (enrdf_load_stackoverflow) |
Family
ID=97511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439538D BE439538A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE439538A (enrdf_load_stackoverflow) |
-
0
- BE BE439538D patent/BE439538A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2321103C (en) | Zone arc fault detection | |
| JP5172675B2 (ja) | 分離器および過電圧防護装置 | |
| JPH05501043A (ja) | 中性点もしくは接地喪失保護回路 | |
| US4044395A (en) | Ground fault protection system | |
| US5867358A (en) | Fault current limiting circuit | |
| US3566189A (en) | Circuit breaker with loosely coupled deenergizing means for high overload currents | |
| CN102893477B (zh) | 故障电流保护开关 | |
| EP0135540A1 (en) | A fault protection system for power supplies that use ferro-resonant transformers | |
| Shipp et al. | Characteristics of different power systems grounding techniques: Fact and fiction | |
| BE439538A (enrdf_load_stackoverflow) | ||
| CN1127573A (zh) | 用于在输电线上限制短路电流的方法和设备 | |
| US656680A (en) | System of electrical distribution. | |
| USRE30304E (en) | Ground fault protection system | |
| US3419756A (en) | Ground fault responsive system for electric power distribution apparatus | |
| US4525764A (en) | System for disconnecting an electrical power source from a load | |
| US5959819A (en) | Reliable fault tolerant power supply for a protective relay | |
| US2162516A (en) | Automatic network protector | |
| FR2709616A1 (fr) | Disjoncteur différentiel et parasurtenseur. | |
| JP6952254B2 (ja) | 電力線搬送通信用カプラ | |
| FR2653610A1 (fr) | Interrupteur differentiel selectif a courant de defaut. | |
| DE2800843C3 (de) | Anordnung zur Überwachung eines Stromnetzes | |
| SU997164A1 (ru) | Устройство дл защиты воздушной линии электропередачи от обрыва фазного провода | |
| DE102018208074B4 (de) | Fehlerstromschutzschalter | |
| Lincoln | The grounded neutral, with and without series resistance, in high-tension systems | |
| US1091225A (en) | Protection of feeders of electrical distribution systems. |