|
No. |
Item |
Unit |
Parameter |
|||||
|
1 |
Rated voltage |
kV |
126 |
252 |
363 |
550 |
||
|
2 |
Rated frequency |
Hz |
50 |
|||||
|
3 |
Rated current |
A |
3150 |
4000/5000 |
5000 |
5000/6300 |
||
|
4 |
Rated short-circuit breaking current |
kA |
40 |
50 |
63 |
63 |
||
|
5 |
Rated short-time withstand current |
kA |
40 |
50 |
63 |
63 |
||
|
6 |
Rated short-circuit duration |
s |
4 |
3 |
3 |
3 |
||
|
7 |
Rated peak withstand current |
kA |
100 |
125 |
171 |
171 |
||
|
8 |
Rated short-duration power-frequency withstand voltage (1 min, RMS) |
Between phases, phase-to-earth |
kV |
230 |
460 |
510 |
740 |
|
|
Across the isolating distance |
kV |
230+73 |
460+146 |
510+210 |
740+318 |
|||
|
9 |
Rated lightning impulse withstand voltage |
Between phases, phase-to-earth |
kV |
550 |
1050 |
1175 |
1675 |
|
|
Across the isolating distance |
kV |
550+103 |
1050+206 |
1175+295 |
1675+450 |
|||
|
10 |
Rated switching impulse withstand voltage |
Phase-to-earth |
kV |
/ |
/ |
950 |
1300 |
|
|
Between phases |
kV |
/ |
/ |
1425 |
/ |
|||
|
Across the isolating distance |
kV |
/ |
/ |
950+295 |
1175+450 |
|||
|
11 |
Partial discharge |
Test voltage |
kV |
151 |
175 |
436 |
381 |
|
|
Bay |
pC |
≤3 |
≤3 |
≤3 |
≤3 |
|||
|
Insulating parts |
pC |
≤3 |
≤3 |
≤3 |
≤3 |
|||
|
12 |
SF6 gas pressure |
Circuit breaker |
Rated |
MPa |
0.6 |
0.6 |
0.6 |
0.6 |
|
Alarm |
MPa |
0.55 |
0.55 |
0.55 |
0.55 |
|||
|
Blocking |
MPa |
0.5 |
0.5 |
0.5 |
0.5 |
|||
|
Others |
Rated |
MPa |
0.4 |
0.4 |
0.4 |
0.4 |
||
|
Minimum functional |
MPa |
0.35 |
0.35 |
0.30 |
0.30 |
|||
|
13 |
Mechanical endurance |
Circuit breaker |
Operations |
10000 |
10000 |
10000 |
10000 |
|
|
Disconnector |
Operations |
10000 |
10000 |
10000 |
10000 |
|||
|
High-speed and maintenance earthing switch |
Operations |
10000 |
10000 |
10000 |
10000 |
|||
|
14 |
SF6 gas annual leakage rate |
% |
≤0.05 |
≤0.1 |
≤0.03 |
≤0.03 |
||
1/1
330kV GIS Combined Switchgear
Negotiable
China
No. 50 Boyang Road, Eastern New District, Taishan District, Tai'an City, Shandong Province
+860538-8639516
+8615615788177
tatkbs@163.com
Product Parameters
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