THREE-PHASE EPOXY RESIN CASTING DRY-TYPE TRANSFORMER
Three-phase epoxy resin casting dry-type transformers represent cutting-edge electrical distribution technology. This advanced product utilizes a high-density silicon steel core manufactured with precision engineering techniques and is fitted with premium epoxy resin copper coils designed for optimal electrical conductivity.
The comprehensive product capacity ranges from 160-2500kVA, effectively covering most industrial, commercial, and residential application scenarios. Each critical production stage is meticulously guided by experienced professional technicians to ensure superior product quality while systematically minimizing material waste and product losses.
| Item | Standard Value | Description |
|---|---|---|
| Rated Capacity | 200 kVA | Three-phase, double-winding |
| Voltage Combination | 10kV / 0.4kV | High voltage / Low voltage |
| Tap Range | 10±5% | Off-circuit voltage regulation |
| Connection Symbol | Dyn11 | Common for distribution |
| Rated Frequency | 50 Hz | Standard power grid |
| No-load Loss (Po) | 250 W | Energy efficiency standard |
| Load Loss (Pk) | 2500 W | Reference value at 75ºC |
| Short-circuit Impedance | 4.50% | National standard value |
| Insulation Level | HV: LI75AC35 / LV: LI5AC5 | Lightning impulse / Power frequency |
| Ambient Condition | Altitude ≤1000m, -25ºC~+40ºC | Indoor & outdoor application |
| Total Weight | Approx. 1350 kg | Core, tank and fittings |