Disconnector Series
Table 1:
|
Rated voltage |
126kV(138kV) |
|
Rated lightning impulse voltage (peak value) |
Relative ground: 550KV fracture: 630kV |
|
1min power frequency voltage (effective value) |
Relative ground: 230kV fracture: 265KV |
|
Creepage specific distance of insulator |
≥ 31mm/kV (Class N pollution area) |
|
Rated current |
630/1250/1600/2000/2500/3150A |
|
Rated short-circuit current (4S) |
20KA/31.5KA/40KA |
|
Rated peak current |
50KA/80KA/100KA |
|
Fracture distance |
1140-1530mm |
|
Interphase distance |
2000-2500mm |
Table 2:
|
Project |
Unit |
Technical parameters |
|||
|
Rated voltage |
kV |
252 |
|||
|
Rated current |
A |
1250 |
2000 |
3150 |
|
|
Rated short-time withstand current |
KA |
31.5 |
40 |
50 |
|
|
Rated short circuit duration |
S |
3 |
|||
|
Rated peak withstand current |
KA |
80 |
100 |
125 |
|
|
Rated short-time working tilt withstand voltage (effective value) |
Phase to ground |
kV |
460 |
||
|
Fracture |
kV |
530 |
|||
|
Rated lightning impulse withstand voltage (bee value) |
Phase to ground |
kV |
1050 |
||
|
Fracture |
kV |
1200 |
|||
|
Rated terminal static mechanical load |
Vertical |
N |
1000 |
1500 |
2000 |
|
Transverse |
500 |
500 |
660 |
||
|
Mechanical life |
Times |
3000 |
|||
|
CJ6-1 electric mechanism |
Opening and closing time |
S |
8 |
||
|
Weight |
kg |
100 |
|||
|
CJ9 Hand Force Mechanism |
Weight |
kg |
32.5 |
||
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