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2500kVA Three Phase Oil Immersed Substation Transformer Step Down 11kV to 433V ONAN
| Brand Name: | WINLEY |
| Model Number: | S-M-2500/11 |
| MOQ: | 1unit |
| Price: | $5000-$150000 |
| Packaging Details: | Plywood case |
| Payment Terms: | T/T |
Detail Information
Place of Origin:
CHINA
Certification:
AS60076
Type:
Oil Immersed Distribution Transformer
Capacity:
2.5MVA (2500KVA)
Primary Voltage:
11000V
Secondary Voltage:
433
Cooling Class:
ONAN
Winding Material:
Aluminum (HV/LV);Vector
Vector Group:
Dyn11
Efficiency Standard(s):
AS60076
Delivery Time:
90days
Supply Ability:
100set/month
Highlight:
2500kVA oil immersed substation transformer
,three phase step down transformer 11kV to 433V
,ONAN substation power transformer with warranty
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
