Oil Immersed Type Power Distribution Transformer Outdoor 250KVA 315KVA Three Phase
Oil Immersed Type Power Distribution Transformer Outdoor 250KVA 315KVA Three Phase Product Specifications Attribute Value Frequency 50Hz, 60Hz Phase Three Coil Number Two Windings, Multi Winding, Three Windings, Single Winding Application power transformer Coil Structure Shell-Type Coil, layer coil, fully sealed construction, Disc Coil, round coil Output Voltage 220V, 380V Input Voltage 11kV, 10.5kV, 3kV, 12.47kV, 6.6kV Type Oil-Immersed Transformer, AUTOTRANSFORMER, Oil
Oil Immersed Type Power Distribution Transformer
,Power Distribution Transformer Outdoor 250KVA
,315KVA Three Phase Distribution Transformer
| Attribute | Value |
|---|---|
| Frequency | 50Hz, 60Hz |
| Phase | Three |
| Coil Number | Two Windings, Multi Winding, Three Windings, Single Winding |
| Application | power transformer |
| Coil Structure | Shell-Type Coil, layer coil, fully sealed construction, Disc Coil, round coil |
| Output Voltage | 220V, 380V |
| Input Voltage | 11kV, 10.5kV, 3kV, 12.47kV, 6.6kV |
| Type | Oil-Immersed Transformer, AUTOTRANSFORMER, Oil Filled Type |
| Winding Material | 100% Copper/Aluminum |
| Cooling Method | ONAN ONAF |
| Customized | Accept |
| Capacity | 250KVA 315KVA |
| Vector Group | Dyn11 / Yyn0 |
| Usage | Power Transformer |
| Efficiency | ≥98% |
| Rating Capacity | 30-1600KVA |
| Installation | Indoor/Outdoor |
| Application | Power transmission |
| Poles | 3 |
| Second Voltage | 0.4kv |
| Number Of Phases | Three Phases |
| Transformer Type | S11 Oil-immersed Transformer |
| Rated Voltage | 6kV-500kV |
| Installation Method | Outdoor/Indoor |
| Noise Level | ≤65dB |
HENTG POWER Three Phase Outdoor 250KVA 315KVA Oil Tester Step Down Power Distribution Transformer
Our oil-immersed distribution transformers range from 30kVA to 2500kVA, with voltage levels up to 35kV. They are widely used in power utilities, renewable energy, industrial facilities, railway systems, and urban infrastructure. Designed to IEC and ANSI standards, our transformers offer high efficiency, low losses, and long service life, suitable for both indoor and outdoor environments.
- Higher Energy Efficiency: Lower no-load and load losses through optimized magnetic circuit and winding designs
- Improved Temperature Rise Performance: Enhanced oil circulation and cooling systems for stable operation
- Reduced Noise Levels: High-permeability silicon steel and precision manufacturing for quieter operation
- Robust Mechanical Design: Optimized winding structure for improved short-circuit resistance
- Longer Service Life: High-quality materials and construction for 20-30 years of reliable service
| Rated capacity (KVA) | Vector Group | Voltage Combination | No-load loss | Load loss | No-load current | Impedance |
|---|---|---|---|---|---|---|
| 30 | Yyn0 / Dyn11 | 10 6.3 6 ±5% ±2X2.5% 0.4 | 80 | 630 | 1.5 | 4.0 |
| 50 | 100 | 910 | 1.3 | |||
| 63 | 110 | 1090 | 1.2 | |||
| 80 | 130 | 1310 | 1.2 | |||
| 100 | 150 | 1580 | 1.1 | |||
| 125 | 170 | 1890 | 1.1 | |||
| 160 | 200 | 2310 | 1.0 | |||
| 200 | 240 | 2730 | 1.0 | |||
| 250 | 290 | 3200 | 0.9 | |||
| 315 | 340 | 3830 | 0.9 | |||
| 400 | 410 | 4520 | 0.8 | |||
| 500 | 480 | 5410 | 0.8 | |||
| 630 | 570 | 6200 | 0.6 | 4.5 | ||
| 800 | 700 | 7500 | 0.6 | |||
| 1000 | 830 | 10300 | 0.6 | |||
| 1250 | 970 | 12000 | 0.5 | |||
| 1600 | 1170 | 14500 | 0.5 | |||
| 2000 | 1360 | 18300 | 0.4 | 5.0 | ||
| 2500 | 1600 | 21200 | 0.4 |
Step 1: We respond within 1 hour with suitable transformer recommendations, reasonable quotations, and payment terms. Our technical team confirms all drawing details within 7 days after payment.
Step 2: After design approval, we prepare materials, manufacture, and conduct quality inspections. We provide QC and test reports for all products.
Step 3: We offer professional installation guidance or on-site support, plus a 2-year warranty service.
HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011.
With a 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, we deliver high-quality transformer solutions with strong production capacity of 20,000 units/year.
- Power Distribution Networks
- Renewable Energy Systems
- Industrial Facilities
- Railway Systems
- Urban Infrastructure
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