S20 Series Oil-Immersed Power Transformers

S20 Series Oil-Immersed Power Transformers

The energy-saving, energy-efficient, level-two oil-immersed transformer is a new type of energy-saving transformer developed based on the GB20052-2020 standard. Our company has independently developed this product by combining the research and application of new materials and processes with independent innovation and technology introduction, and by optimizing and innovating the design of the core and coil structure to reduce no-load loss and noise.
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Product Description

The energy-saving, energy-efficient, level-two oil-immersed transformer is a new type of energy-saving transformer developed based on the GB20052-2020 standard. Our company has independently developed this product by combining the research and application of new materials and processes with independent innovation and technology introduction, and by optimizing and innovating the design of the core and coil structure to reduce no-load loss and noise.
The noise level is reduced by an average of 20% compared with the current national standard JB/T10088-2016, and the product performance level has reached the advanced level in China.

Energy Efficiency Class 2 Oil-Immersed Transformer Performance Parameters (English Version)

ModelRated Capacity (KVA)Connection MarkVoltage Combination (KV)No-load Loss (W)DY Load Loss (W)YY Load Loss (W)No-load Current (%)Short-circuit Impedance (%)



High VoltageTap RangeLow Voltage



S20-M-30/10-NX230Yyn0 or Dyn1110.5、10、6.3、6±5% or ±2×2.5%0.4705054801.54.0
S20-M-50/10-NX250907306951.3
S20-M-63/10-NX2631008708301.2
S20-M-80/10-NX280115105010001.2
S20-M-100/10-NX2100135125012001.1
S20-M-125/10-NX2125150161514401.1
S20-M-160/10-NX2160180185017601.0
S20-M-200/10-NX2200215218520801.0
S20-M-250/10-NX2250260255024400.9
S20-M-315/10-NX2315305306529200.9
S20-M-400/10-NX2400370361534400.8
S20-M-500/10-NX2500430433041200.8
S20-M-630/10-NX263051049600.64.5
S20-M-800/10-NX280063060000.6
S20-M-1000/10-NX2100074582400.6
S20-M-1250/10-NX2125087096000.5
S20-M-1600/10-NX216001050116000.5
S20-M-2000/10-NX220001225146400.45.0
S20-M-2500/10-NX225001440148400.4

Detailed display

  • 油浸式变压器4
  • 油浸式变压器细节图 (2)
  • 油浸式变压器细节图 (3)
  • 油浸式变压器细节图

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