FIELD: electrical engineering; relay protection of cubicle-type factory-assembled switchgears. SUBSTANCE: connected in series with photosensors are ballast resistors whose resistance is selected to provide selection of damaged cubicle by means of analog-to-digital converter and decoder. EFFECT: enhanced reliability of protection. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METALCLAD SWITCHGEAR CENTRALIZED ARC PROTECTION DEVICE | 2000 |
|
RU2187871C2 |
| DEVICE FOR PROTECTION OF FACTORY-ASSEMBLE SWITCH-GEARS | 1992 |
|
RU2025859C1 |
| ARC-PROTECTION DEVICE FOR FACTORY-ASSEMBLED SWITCHGEAR | 1992 |
|
RU2024148C1 |
| DIFFERENTIAL ARC PROTECTIVE DEVICE FOR METALCLAD SWITCHGEAR | 1992 |
|
RU2020687C1 |
| ARCING SHORT CIRCUIT PROTECTIVE GEAR FOR METALCLAD SWITCHGEAR | 1992 |
|
RU2020688C1 |
| DEVICE FOR DIFFERENTIAL ARC PROTECTION OF CELLS OF FACTORY-ASSEMBLED SWITCHGEAR | 0 |
|
SU1545287A1 |
| METHOD OF ARC PROTECTION OF FACTORY-ASSEMBLED SWITCHGEAR | 0 |
|
SU1582270A1 |
| ARC PROTECTION DEVICE WITH DETECTION OF ELECTRIC ARC LOCATION AND CAPACITY | 2011 |
|
RU2446535C1 |
| DEVICE FOR ARCING FAULT PROTECTION OF SWITCHGEAR | 0 |
|
SU1629941A1 |
| METALCLAD SWITCHGEAR ARC PROTECTION DEVICE | 1998 |
|
RU2162271C2 |
