15kv 35 Kv 110kv 10kVA 20kVA 30kVA 35kVA Three Phase Copper Winding Oil Immersed Industrial Power Transformer

Oil transformer

For power distribution system, urban-rural grid renovation, industrial plant, mining facility, commercial power supply project. Custom voltage, capacity and accessories are acceptable.

Specification

- Phase: 3-phase
- Rated Capacity: 300kVA, 500kVA
- Rated High Voltage: 6kV,10kV,15kV,20kV,35kV
- Tap range: ±5% / ±2×2.5% off-circuit tap-changer
- Rated Low Voltage: 0.4kV (customizable)
- Frequency: 50Hz / 60Hz
- Vector group: Dyn11 / Yyn0 optional
- Short-circuit impedance: 4%-6.5% according to voltage class
- Insulation level: MV & HV standard
- Cooling method: ONAN (Oil Natural Air Natural)
- Certifications: UL, CUL, CE, ISO9001
- Working altitude: ≤1000m
- Ambient temperature:-40℃ ~ +40℃
- Installation: indoor & outdoor available
- Performance: low no-load loss, low load loss, low noise, strong short-circuit withstand capability 

1. Winding: High-purity oxygen-free copper wire, multi-layer cylindrical / spiral coil structure, paper-insulated conductor
2. Core: High-permeability cold-rolled grain-oriented silicon-steel sheet, step-lap stacking process, reduce noise & no-load loss
3. Tank: Welded steel corrugated tank, anti-corrosion epoxy painting, fully sealed structure

4. Insulation material: High-grade laminated wood, insulating paper
5. Insulating oil: High-quality transformer mineral oil
6. Sealing parts: Aging-resistant rubber gasket, prevent oil leakage

NOTE:

All prices displayed are for reference only.
The final price depends on capacity, voltage
grade, cabinet material and internal configuration. 
Please contact our sales for accurate quotation.