Oil Power Transformer

Oil-type power transformers are used in power distribution or electrical substations. Their core and coils are immersed in oil, which cools and insulates. Oil circulates through ducts in the coil and around the coil and core assembly, moved by convection. The oil is cooled by the outside of the tank in small ratings, and by an air-cooled radiator in larger ratings.

Oil-immersed Power Transformer Main Technical Parameters

Oil power transformer applies new type insulating structure and makes short-circuit resistance strong. The iron core is make of high-quality cold-rolled silicon-steel plate. High-voltage winding group is made up of high-quality oxygen-free copper lines and it adopts multilayered drum type structure. All fasteners have been processed with special treatment to prevent them from loosening.

1. Adopting the art standard three dimesion design software to produce correct and complete engineering documentation.
2. Adopting the craft of high frequency -welding and winding-Hydraulic compaction to improve short circuit ability.
3. Adopting the craft of core Hydraulic compaction to improve the strength of core for reducing the noise level.
4. Designing the transformer base on the worst short circuit conditions for avoiding short circuit issue.
5. Adopting Electric Stress field calculation program to guarentee insulation level.
6. Adopting high quality rubber gaskets in groove for leak.

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