800KVA Oil Immersed Transformer
PRODUCT INTRODUCTION

Our High-Efficiency 800KVA Oil Immersed Transformer: Engineered for Reliability and Long-Term Performance.
This is the cornerstone of our product line: the 800KVA oil immersed transformer, engineered to be the heart of your power distribution system. The image showcases the transformer’s formidable presence, with a robust, welded tank designed for a lifetime of service.
The prominently visible radiators are key to its superior thermal management, ensuring efficient heat dissipation even under continuous full load. Every component, from the high-voltage bushings to the conservator tank and pressure-release device, is built to international standards.
This 800KVA oil immersed transformer is not just a piece of equipment; it is a reliable power guardian for industrial plants, commercial complexes, and utility substations, guaranteeing voltage stability and operational continuity in the most demanding environments.
FEATURES

This collage is a testament to the uncompromising quality and precision engineering embedded in every oil immersed transformer we manufacture. One close-up reveals the meticulously layered and laminated core, assembled from high-grade silicon steel to minimize eddy current losses and ensure magnetic efficiency.
Another image focuses on the tight, uniform winding structure made from pure oxygen-free copper, demonstrating the craftsmanship that ensures mechanical stability and optimal electrical conductivity. Further shots highlight the high-voltage bushings, crafted from high-strength porcelain or composite polymer to prevent leakage and withstand environmental stress. Each detail, from the secure bracing of internal structures to the quality of the welded seams on the tank, contributes to the legendary durability and silent, vibration-free operation of our oil immersed transformers.

Our 800KVA oil immersed transformer is defined by a set of core advantages that deliver tangible value. The Insulated Enclosure provides an critical extra layer of safety for personnel and equipment.
The Safe and Reliable promise is backed by rigorous testing and robust internal construction, minimizing the risk of unexpected downtime. Through advanced core steel and design, we achieve Low Loss, Less Heat, which directly translates to higher energy efficiency and reduced operating costs over the transformer’s entire lifecycle.
The Anti-Corrosion treatment on the tank and fittings ensures resilience against harsh atmospheric conditions, prolonging service life. Internally, we use only Pure Oxygen-Free Copper windings, which offer higher conductivity and mechanical strength compared to aluminum, leading to better overload capacity and efficiency.
Finally, our Factory Direct Sale model eliminates intermediaries, ensuring you receive a premium-quality 800KVA oil immersed transformer at a highly competitive price, coupled with direct technical support and guaranteed traceability.
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 | |||
Detailed Technical Specifications for Our Oil Immersed Transformer.
This detailed datasheet provides the definitive technical blueprint for our oil immersed transformer. It confirms the Rated Capacity of 800 kVA as the cornerstone of its performance.
The Voltage Combination and Connection Group Symbol (e.g., Dyn11) detail its flexibility for integration into various grid systems. Critical performance metrics are clearly listed: the low No-load Current (%) and No-load Loss (W) indicate exceptional energy efficiency during standby operation, while the specified Load Loss (W) underlines its performance under full operational stress.
The Short-circuit Impedance (%) is precisely controlled to ensure stable operation and protect downstream equipment in the event of a fault. This transparency in technical data empowers you to verify that our 800KVA oil immersed transformer is perfectly engineered to meet your specific project requirements and efficiency targets.
Get a Factory-Direct Quote for Your 800kVA Project Need the latest 800kVA transformer price or a full technical datasheet? Our engineering team provides customized solutions including various Vector Groups (Dyn11/Yzn11/Yyn0) and specialized enclosures.

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