Customization: | Available |
---|---|
Certification: | CCC, ISO9001 |
Voltage Level: | Medium Voltage |
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For this substation, we mainly produce & export 11KV, 15KV,20KV,24KV, and 33KV types.
For customized special type, once we get clear technical data or single line diagram(SLD), we also can make it.
Ambient Environment
1. Ambient temperature: -25ºC~+40ºC
2. Altitude: less than1000m
3. Relative humidity
Daily average less than 95% Average value of water vapor pressure less than 2.2kpa
Monthly average less than 90% Average value of water vapor pressure less than 1.8kpa
4. Seismic intensity: less than magnitude 8
5. Outside wind speed less than 35m/s
6. Apply to the places that have no fire, no explosion danger, and no chemical corrosion
Item |
Unit |
Parameter |
|||
High Voltage Unit |
Rated frequency |
Hz |
50/60 |
||
Rated Voltage |
kV |
6.6 |
11 |
33 |
|
Max service voltage |
kV |
7.2 |
12 |
36 |
|
Rated current |
A |
400,630,1250 |
|||
Transfer current |
A |
1200-3150 |
|||
1min power frequency withstand voltage to earth and phase to phase /Fracture |
kV |
42/48,85/95 |
|||
BIL: to earth and phase to phase /Fracture |
kV |
75/85,170/185 |
|||
Rated short circuit breaking current |
kA |
25,31.5 |
|||
Transformer Unit |
Rated Voltage |
kV |
6,11,33 |
||
Rated Capacity |
kVA |
30-2000 |
|||
Tap ranging |
% |
+/-2x2.5%,+/-5% |
|||
Vector Group |
|
Yyn0,Dyn11 |
|||
Impedance |
% |
4,4.5,6,8 |
|||
Low Voltage Unit |
Rated Voltage |
V |
220,380,690,800 |
||
Main circuit rated current |
A |
50-4000 |
|||
Branch current |
A |
5-800 |
|||
Enclosure |
Protection Level |
|
HV Room:IP33 Transformer Room:IP23 LV Room:IP33 |
||
|
Noise level |
dB |
≤50 |