Thông số kỹ thuật
| Công suất định mức | 630 kVA |
|---|---|
| Primary Voltage (U1) | 11,000 V (11 kV) |
| Secondary Voltage (U2) | 415 V / 240 V (3-Phase 4-Wire) |
| Vector Group | Dyn11 |
| Tần số định mức | 50 Hz |
| Phương pháp làm mát | ONAN (Oil Natural Air Natural) |
| Primary Current (I1) | 11.02 A |
| Secondary Current (I2) | 876.5 A |
| Guaranteed No-Load Loss (P0) | 810 W |
| Guaranteed Load Loss (Pk at 75°C) | 5500 W |
| Short-Circuit Impedance (Uk) | 4.5% |
| HV Insulation Level | LI 75 / AC 35 (11kV Class) |
| Temperature Rise Limits | Top Oil ≤ 50K, Winding ≤ 55K (45°C Ambient) |
| Creepage Distance | ≥ 31 mm/kV (Outdoor Tropicalized Porcelain) |
| Core & Coil Weight | 1150 kg |
| Insulating Oil Weight | 710 kg |
| Total Assembled Weight | 2250 kg |
| Overall Footprint (L×W×H) | 1500 mm × 980 mm × 1620 mm |
| Governing Standards | IEC 60076, BS 171, SON NIS, NERC Code |