The disconnecting item of line POL(VVNR)-10/630-20U2 applied for making and breaking of load current of transmission line with a rated voltage of 6-10 kV and a rated current of 630 A and for grounding of disconnected line segments. Recloser.
The ability to solve problems:
• Operational switching in distribution network
• Automatic shutdown of the damaged section
• Automatic reclosing
Table 1. Mainly technical parameters
Item, Units |
Technical parameters |
Rated voltage, kV |
10 |
Maximum operating voltage, kV |
12 |
Rated current, A |
630 |
Rated short-circuit breaking current, kA |
3 |
Time of inclusion (not exceed), ms |
150 |
Tripping time (not exceed), ms |
60 |
Current of electrodynamic resistance kA |
51 |
Short time withstand current (1s), kA |
20 |
Accuracy class CTs |
0,5 (0,5S) |
Accuracy class VTs |
0,5 |
► Included items:
The delivery for completeness is determined by the selected main current circuit diagram and customer requirements.