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250kVA Oil Immersed Distribution Transformer
PRODUCT INTRODUCTION
Energy oil-immersed transformer with expert installation and reliable maintenance.
The 250kVA oil immersed distribution transformer is designed for reliable medium-voltage power distribution. As a professional transformer manufacturer and supplier, Solarasia provides IEC-compliant S11-M transformers with stable performance, competitive pricing, and flexible customization options.
This image presents the Solarasia Energy 250KVA oil immersed transformer in its standard three-phase configuration. The unit is engineered for stable power delivery in industrial, commercial, and utility distribution networks. Its fully sealed structure prevents moisture ingress and extends service life, while the high-purity transformer insulating oil ensures excellent dielectric strength and heat dissipation.
Designed for expert installation and reliable long-term maintenance, this transformer reduces energy losses and enhances system efficiency. The robust housing, corrosion-resistant surface treatment, and advanced coil winding technology provide strong mechanical strength and short-circuit resistance, making it ideal for demanding environments.
FEATURES
Detailed view of core components used in the 250KVA oil transformer.
This image highlights the critical components that ensure safe and reliable transformer operation. The pressure relief valve protects the unit during abnormal pressure rises caused by internal faults, preventing tank rupture. The oil level gauge allows real-time monitoring of transformer insulating oil conditions, while the thermometer tracks operating temperature to avoid thermal aging.
Lifting lugs ensure secure handling during transportation and installation. The earthing bolt provides essential grounding for electrical safety. The corrugated heat sink increases surface area for enhanced cooling performance, improving energy efficiency. Each component contributes to long-term reliability, reduced maintenance, and stable operation of the 250KVA oil type transformer.
The product outline drawing provides a detailed view of the oil immersed transformer’s external structure. Dimensions, mounting points, and terminal arrangements are clearly illustrated, allowing engineers to evaluate installation locations, cable routing, and safety clearances. The drawing also highlights the position of the corrugated cooling surfaces, energized components, and structural reinforcements.
These details guide site preparation, foundation construction, and integration with high-voltage and low-voltage networks. The precise design ensures compatibility with global distribution standards and supports efficient, trouble-free deployment.
PRODUCT SPECIFICATIONS
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| Rated Capacity (kVA) | Connection group symbol | Voltage Combination (kV) | No-load current % | No-load loss (W) | Load loss(W) | Short-circuit impedance % | |
| H.V. (kV) | L.V. (kV) | ||||||
| 10 | Dyn11 Yzn11 Yyn0 | 6±5% or 6.3±5% 10±5% | 0.4 | 3.8 | 55 | 310 | 4.0 |
| 20 | 3 | 80 | 475 | 4.0 | |||
| 30 | 2.1 | 100 | 630/660 | 4.0 | |||
| 50 | 2 | 130 | 910/870 | 4.0 | |||
| 63 | 1.9 | 150 | 1090/1040 | 4.0 | |||
| 80 | 1.8 | 180 | 1310/1250 | 4.0 | |||
| 100 | 1.6 | 200 | 1580/1500 | 4.0 | |||
| 125 | 1.5 | 240 | 1890/1800 | 4.0 | |||
| 160 | 1.4 | 280 | 2310/2200 | 4.0 | |||
| 200 | 1.3 | 340 | 2730/2600 | 4.0 | |||
| 250 | 1.2 | 400 | 3200/3050 | 4.0 | |||
| 315 | 1 | 480 | 3830/3650 | 4.0 | |||
| 400 | 1 | 570 | 4520/4300 | 4.0 | |||
| 500 | 1 | 680 | 5410/5150 | 4.0 | |||
| 630 | 0.9 | 810 | 6200 | 4.5 | |||
| 800 | 0.8 | 980 | 7500 | 4.5 | |||
| 1000 | 0.7 | 1150 | 10300 | 4.5 | |||
| 1250 | 0.6 | 1360 | 120000 | 4.5 | |||
| 1600 | 0.6 | 1640 | 14500 | 4.5 | |||
| 2000 | 0.6 | 1940 | 18300 | 5.5 | |||
| 2500 | 0.5 | 2290 | 21200 | 5.5 | |||
This specification sheet outlines the full electrical and mechanical parameters of the 250KVA transformer, helping buyers assess performance and suitability. The voltage combination defines compatibility with local grid requirements, while the tapping range allows fine adjustment to accommodate voltage fluctuations.
No-load loss and load loss values reflect the transformer’s efficiency and operating costs, directly affecting lifecycle expenses and transformer oil price considerations. The no-load current indicates internal core performance, and the impedance percentage ensures proper coordination with protection devices. These technical data points are crucial for planning power distribution systems, optimizing power quality, and ensuring reliable industrial operations.
Typical Applications of 250KVA Distribution Transformer
The 250KVA oil immersed transformer is widely used in medium and low voltage power distribution systems where stable performance, high efficiency, and long service life are required. As a reliable distribution transformer solution, it is suitable for both utility and end-user power networks.
●Typical application scenarios include:
●Industrial plants, workshops, and manufacturing facilities
●Commercial buildings, shopping centers, and office complexes
●Urban and rural power distribution networks
●Utility substations and secondary distribution systems
●Renewable energy projects and infrastructure power supply
This 250KVA oil immersed distribution transformer provides stable voltage regulation and efficient heat dissipation, ensuring continuous operation under varying load conditions.
