S11 Three-phase Fully Sealed Copper Oil-immersed Transformer Supplier
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of s11 three-phase fully sealed copper oil-immersed transformer supplier in China. If you're going to buy customized s11 three-phase fully sealed copper oil-immersed transformer supplier made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
Product Introduction
S11 three-phase fully sealed copper oil-immersed distribution transformer is a high-efficiency, low-loss power equipment, widely used in various occasions requiring stable power supply. The following is a detailed introduction:

Basic parameters and technical features
The main technical parameters of the S11 three-phase fully sealed copper oil-immersed distribution transformer include:
Rated capacity: ranging from 30KVA to 2000KVA, specific models include S11-M-30/10, S11-M-50/10, S11-M-63/10, etc.
Voltage combination: high voltage is generally 10KV, low voltage is 0.4KV
Connection group number: usually Dyn11 or Yyn0, this connection method helps to reduce the impact of harmonics on the power grid and improve the power supply quality
No-load loss andload loss: The specific values vary depending on the model, usually the no-load loss is low and the noise is small
Short-circuit impedance: Generally between 4% and 6%

| Model: | S11-M-315kVA/10/0.4kV |
| Rated power: | 315KVA |
| Rated voltage: | 10KV/0.4KV |
| Cooling method: | Oil-immersed self-cooling |
| Voltage regulation: | On-load voltage regulation |
| Moisture-proof method: | Fully sealed |
| Use environment: | Outdoor |
| Oil tank design: | Corrugated sheet heat dissipation, with good weather resistance and short-circuit resistance. |
| Transformer oil: | High-quality domestic transformer oil is used, with excellent electrical insulation performance and good thermal conductivity. |
Application scenarios and advantages
S11 three-phase fully sealed copper oil-immersed distribution transformer is suitable for various occasions requiring stable power supply, such as:
High-rise buildings,commercial centers,subways,airports,stations,industrial and mining enterprises,drilling platforms andoil production platforms, etc.
Its advantages include:
Low loss: low no-load loss and load loss, significant energy saving effect
Low noise: uniform magnetic circuit, low noise
Maintenance-free: fully sealed structure, extended service life, reduced maintenance cost
High efficiency: high efficiency, small size, suitable for use in various environments

What is the definition of fully insulated and semi-insulated transformers?
A semi-insulated transformer refers to a transformer whose main insulation level of the near-neutral winding is lower than that of the end winding, while a fully insulated transformer refers to a transformer whose insulation level of the head and tail windings is the same.
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