Unit Substation
Unit substation also called prefabricated substation, are subsidiary stations of electricity generation, transmission and distribution system where voltage is transformed from higher to low or reverse using transformers.
Our unit substations are constructed using channel steels and angle steels with an aluminum alloy enclosure. They are resistant to ultraviolet light and features a powder coated protective surface. Each is designed with a number of vents and proper cooling measures in order to eliminate overheating concerns and ensure a stable operation. The compact design reduces transportation costs and requires less installation space, while simple accessories reduce maintenance costs.
Rated voltage: 10kV/0.4kV
High-voltage side rated voltage: 10k
High-voltage side maximum voltage: 12kV
Low-voltage side rated voltage: 0.4kV
Rated frequency: 50Hz
High voltage switch thermal stability capacity: 20kVA/26kVA
Rated short-circuit breaking capacity of low-voltage main circuit switch: 35kA
Rated short-circuit breaking capacity of low-voltage distribution loop switch: 35kA
Transfer current of high voltage load switch: ＞1500A
Noise level: ＜50dB
IP class: higher than IP3X
- Ambient temperature: -30℃~+40℃
- Altitude: ≤ 1000m.
- Wind pressure: ≤700pa（wind speed is 34m/s）
- Relative humidity: ≤95% （daily and monthly）
- Seismic resistant: horizontal acceleration ≤0.4m/s2, vertical acceleration≤0.15m/s2
- Gradient: ≤ 3°, vertical installation.
- Environments without a risk of combustion, corrosion, or vibration
- If you can’t satisfy the above conditions, please contact us for a consultation.
