2500kVA Three Phase Oil Immersed Substation Transformer Step Down 11kV to 433V ONAN
Price:
$5000-$150000
MOQ:
1unit
Delivery Time:
90days
Brand:
WINLEY
Product Description
2500kVA Three Phase Oil Immersed Distribution Transformer Step Down 11000V To 433V ANSI IEEE Standards
Product Photos
Main Data
| Type | Distribution Transformer,Oil immersed (Bolted tank) | |
| Rated capacity | 2500kVA | |
| Phase | 3 | |
| Primary voltage | 11000V | |
| Secondary voltage | 433V | |
| Cooling method | ONAN | |
| Rated frequency | 50Hz | |
| Vector group | Dyn11 | |
| Insulation class | A (105℃) | |
| Temperature rise | 60/55 (winding/top oil) K | |
| Off-load loss | 2500W | |
| On-load loss (75℃) | 21500W | |
| Impedance | 7.4% | |
| Winding material | Aluminum | |
| Core material | silicon steel | |
| Cooling material | mineral oil | |
| Dimension | 2800*2200*1800 (mm) | |
| Weight | 5200kg | |
| Ambient temperature | from -5 to +45 (℃) | |
| Sea level | ≤1000M | |
| Standard | AS60076 | |
Technical drawings
Standard Features
- Three-Phase Oil Immersed Design — 2500kVA rated capacity for industrial & commercial power distribution
- Dyn11 Vector Group — HV Delta, LV Wye-Neutral (433V) for stable power supply
- ONAN Cooling — Reliable self-cooling design, no additional cooling equipment required
- Off-Circuit Tap Changer — ±2×2.5% tapping range for on-site voltage adjustment
- Bolted Steel Tank — Coated steel tank in RAL7033, durable for indoor & outdoor installation
- Complete Accessories — Oil level indicator, pressure relief valve, temperature indicator, drain valves, lifting lugs
Applications
| Sector | Applications |
| Indusrial | Manufacturing plants, heavy machinery, assembly lines |
| Utility | Distribution substations, power grid, renewable energy farms |
| Commercial | Large office buildings, hospitals, data centers |
| Infrastructure | Airports, railway systems, water treatment |
Factory Tests
- Winding Resistance Test
- Insulation Resistance Test
- Voltage Ratio Error Test
- Short-circuit Impedance Test
- No-load Loss (Wattage) Test
- Load Loss (Wattage) Test
- Induced Voltage Withstand Test
- Separate Source Voltage Withstand Test
- Pressure Integrity Test Test
PRODUCT SPECIFICATION
| Rated Capacity | High Voltage | Low Voltage | Connection Symbol | Short Circuit Impendence | No-load loss | On-load loss | Dimension | Weight |
| (kVA) | (KV) | (V) | (%) | (W) | (W) | W*H*D(mm) | (kg) | |
| 800 | 4.16KV 12.47KV 13.2KV 13.8KV 24.94KV 34.5KV or others |
208/120V 480/277V 600V 12470V 13200V 13800V or others |
Dyn1 Ynyn0 Dyn11 Dd0 Ynd11 or others |
2.7 3.1 4.35 5.75 6 |
980 | 9350 | 1060*1500*1780 | 2050 |
| 1000 | 1160 | 11500 | 1085*1570*1800 | 2450 | ||||
| 1250 | 1380 | 13900 | 1160*1610*1890 | 2900 | ||||
| 1600 | 1660 | 16600 | 1190*1630*1950 | 3400 | ||||
| 2000 | 2030 | 18300 | 1260*1700*2090 | 4100 | ||||
| 2500 | 2450 | 19600 | 1150*2150*2250 | 4750 | ||||
| 3000 | 3240 | 26500 | 1900*2600*2150 | 6500 | ||||
| 5000 | 4500 | 27000 | 2500*2210*3180 | 9500 | ||||
| 7500 | 7200 | 32000 | 3660*3100*5100 | 13600 | ||||
| 10000 | 8500 | 35500 | 3830*2640*2216 | 15800 |
Production Process
Packing & Shipping to Italy Customer 
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Get in Touch
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Company
Xiamen Winley Electric Co.,Ltd
Location
No. 99 Yilan Road,Siming,Xiamen,Fujian,China
Contact Person
Steven