|
Project Name |
Unit |
HVElectricalApparatus |
Transformer |
IMElertrical Anpparatus |
|
Rated voltage |
kV |
6;12 |
6/0.4;10/0.4 |
0.4 |
|
Rated capacity |
kVA |
|
1200~1250 |
|
|
Ⅱ 50~400 |
||||
|
Rated current |
A |
630,800,1250 |
|
200~2000 |
|
Rated breaking current |
A |
Load switch 630A |
|
15~63 |
|
kA |
The combination of electrical appliances depends on the fuse |
|||
|
Rated short time withstand current |
kA |
20 kA |
200~400kVA |
15×1 |
|
25 kA |
>400kVA |
30×1 |
||
|
Rated peak withstand current |
kA |
31.5;50 |
200~400kVA >400kVA |
30 |
|
Rated making current |
kA |
31.5:50 |
|
|
|
Power frequency withstand voltage |
kV |
Phase to ground and phase to phase 42 |
Oil immersed 35 |
≤300V;2 |
|
Isolated South Fracture 48 |
Dry 35 |
>300V;2.5 |
||
|
Lightning impulse withstand voltage (peak) |
kV |
Phase to ground and phase to phase 75 |
75 |
|
|
Isolation fracture 85 |
||||
|
Cabinet protection level
|
|
IP3X |
IP2X |
IP30 |
|
Level of noise |
dB |
|
Oil immersed<55 |
|
|
Dry<65 |
|
Notes: When transformer capacity is less than 200kVA, items 5, 6 is not required.
400-8260-128
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