Product introduction
S20-M-30-2500/10-NX2 series fully sealed oil-immersed power transformer developed and produced by the company has the advantages of low loss, low noise and high efficiency, which can achieve good energy-saving effect and reduce pollution. Compared with the ordinary oil-immersed transformer, the oil storage tank is cancelled, the oil volume change is automatically adjusted and compensated by the elasticity of the corrugated sheet of the corrugated oil tank, the transformer oil is isolated from the air, preventing and slow down the deterioration and green aging of the transformer oil, enhancing the reliability of operation and maintenance free normal operation. Product features 1. The transformer core is made of high-quality cold-rolled silicon steel sheets with high magnetic conductivity and low loss. With a five-stage joint stacking structure, the layers gap is small, and the joints of each layer are staggered, which greatly reduces the no-load loss and current and noise.
2. The structure of the transformer body is compact, which reduces the radial force during short circuit and has strong ability to resist sudden short circuit.
3.The transformer is fully sealed and free for maintenance to prolong usage life to more than 30 years.
4. The transformer core is made of imported high-quality cold-rolled silicon steel sheet, which greatly reduces no-load and no-load current, and lashes the core to ensure the tightness of the core and reduce noise.
5.High and low voltage winding with oxygen free copper winding, low voltage winding 500kVA and below the use of double-layer cylinder structure, 630kVA and above the use of double helix or quadruhelix structure or copper foil winding, high voltage winding using multi-layer cylinder structure.
6.The transformer connection group adopts Dyn11 to reduce the influence of harmonics on the power grid and improve the quality of power supply.
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