800kVA Three Phase Oil-Immersed Distribution Transformer

800kVA Three Phase Oil-Immersed Distribution Transformer

‌Product Name‌: 800kVA 3 Phase Distribution Transformer
‌Capacity‌: 800kVA 
‌Voltage Rating‌: 22kV/0.4kV 
‌Delivery Year‌: 2024

‌Destination‌: Philippines
‌Key Advantages‌:
Fully sealed Oil Filled Distribution Transformers, maintenance-free
IEC60076-certified Distribution Transformer
12% more energy-efficient than local equivalents
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Send E-mail: sales@gneeelectric.com

Tel: +8615824687445

Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 800kva three phase oil-immersed distribution transformer in China. If you're going to buy customized 800kva three phase oil-immersed distribution transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

 

 

Advantages of Sealed Oil Immersed Transformers

 

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The fully sealed Oil Immersed Transformers feature patented corrugated tank technology, effectively blocking air and moisture ingress to extend insulating oil lifespan. Compared to traditional Distribution Transformers, these Oil Filled Distribution Transformers excel in:
① ‌Zero maintenance‌ – Eliminating breather upkeep cuts maintenance costs by 60%;
② ‌Robust safety‌ – Unique pressure relief systems enhance short-circuit resistance in 3 Phase Distribution Transformers;
③ ‌Extreme adaptability‌ – Dual-layer sealing rings enable stable operation from -25°C to 45°C. Designed for tropical climates, this Distribution Transformer achieves IP67 protection and requires no oil replacement for 20 years.

 

 

 

Products parameter

 

Oil immersed transformer product parameters
Rated capacity kVA Voltage combination NO-load loss W Load loss W No-load current% Short-circuit
HV (KV ) HV tapping range LV (KV) Connection symbol Impedance
30 6.3kV
10.5kV
11kV
13.2kV
13.8kV
15kV
±2
× 2.5%;
Or ±5%
0.4 Dyn11 or Yyn0 90 660 2.1 5.5
50 130 960 2
63 150 1145 1.9
80 180 1370 1.8
100 200 1650 1.6
125 240 1980 1.5
160 290 2420 1.4
200 330 2860 1.3
250 400 3350 1.2
315 480 4010 1.1
400 570 4730 1
500 680 5660 1
630 810 6820 0.9 6
800 980 8250 0.8
1000 1150 11300 0.7
1250 1350 13200 0.7
1600 1630 15950 0.6
2000 1950 19140 0.6
2500 2340 22200 0.6

 

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‌Role in Power Distribution Networks

 

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As a critical 3 Phase Distribution Transformer in modern grids, the 800kVA Oil Immersed Transformers efficiently step down voltages from 22kV to 400V. These Oil Filled Distribution Transformers adopt △/Yn winding configurations to deliver:


① ‌Balanced three-phase output‌ for commercial and industrial loads;
② ‌Short-circuit current limitation‌;
③ ‌Voltage fluctuation compensation‌ (±5% adjustment range). The oil-cooled design ensures this Distribution Transformer maintains temperature rise below 55K even under peak loads.

 

product-445-449
product-635-521
product-482-452

 

 

 

125kVA Oil-Immersed Rectifier Transformer

 

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Why choose us?

 

 

GNEE Group:

Global Transformer Supply Chain Integration Expert (2008 - Present)

Founded in 2008, GNEE Group has undergone fifteen years of deep industry cultivation, successfully transforming from a regional trader to a global supply chain management expert. As a pioneer in the integration of the steel industry chain, the group has established a full-cycle value system that spans raw material procurement, production coordination, logistics optimization, and terminal services, setting an innovative operational benchmark in the global transformer distribution sector. In the era of Industry 4.0, GNEE Group is accelerating towards its goal of becoming a global integrator oftransformer industry value through digital restructuring and green supply chain construction.

 

125kVA Oil-Immersed Rectifier Transformer

SGS certification certificate

125kVA Oil-Immersed Rectifier Transformer

 

Our factory

125kVA Oil-Immersed Rectifier Transformer

 

FAQ
 

Q1: What application scenarios is the Oil Immersed Transformer suitable for?

A: It is suitable for high-voltage transmission and distribution, industrial production facilities, substations, and other environments that require high load capacity and excellent heat dissipation performance.
Technical Advantage: With 18 years of industry experience, we use a three-dimensional wound core technology to reduce no-load losses by 15% compared to traditional lamination processes, while achieving ±0.5mm precision stacking to ensure long-term stable operation.
User Case: In a large steel plant expansion project, our oil immersed transformer (5000kVA) ensured the stability of continuous power supply thanks to its high load tolerance and low loss characteristics.

Q2: What parameters should be considered when choosing a Dry-type Transformer?

A: Key parameters include rated capacity (50kVA-5000kVA), voltage level, and temperature rise limits.
Core Advantage: We use epoxy resin + fiberglass insulation materials, with a fire resistance rating reaching UL94 V-0 standard, making it ideal for high-safety environments such as shopping malls and hospitals.

Q3: How does an Amorphous Alloy Transformer reduce electricity costs in remote areas?

A: By using amorphous alloy tape cores, no-load losses are reduced by 50%-70% compared to traditional silicon steel transformers, making them particularly suitable for rural grids with fluctuating loads.

 

 

 

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