Complaint
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
Technical Data
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 | ||
