1250kVA/1600kVA 20 KV Oil Immersed Transformer

The 20KV 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. Transformers are isolated from air to prevent and slow down oil deterioration and insulation aging, thereby improving operational reliability and maintaining normal operation without maintenance. Transformer oil tanks are corrugated walls that are coated with powder and reinforced and reinforced with film. The corrugated radiator not only has a cooling function, but also has a "breathing" function, and the elasticity of the corrugated radiator makes it adapt to the change of oil volume caused by the change of temperature. Therefore, this will not protect in air tightness, which will reduce the height of the transformer. In the process of transformer packaging, vacuum oil injection technology is adopted to completely remove the moisture in the transformer and prevent the transformer oil from contacting with the air. The technology also avoids reduced insulation performance or oil aging due to the entry of oxygen or moisture, which improves the operational reliability of the transformer.

The core is made of cold rolled oriented silicon steel with high permeability and has an inclined joint laminated structure. The cross section of the core limb is round and homogeneous with the cross section of the yoke. The windings are made of corrugated oil channels without impregnation process and bound by contractile tape; All windings are concentric coils; The tap of the high voltage winding shall have the corresponding tap voltage and lead it to the tap switch, which shall be installed on the box cover. When changing tap voltage, the power supply must be cut off first.