This 11kV 150kVA transformer is oil-immersed.
Oil-immersed transformers have better overload capacity. Our transformers use advanced technology, high-quality materials and components. Reliable quality ensures high-efficiency operation. Each of our transformers has been fully tested and complies with IEC ANSI and other major international standards.
Cooling methods for oil-immersed transformers
（1）Oil-immersed transformers generally use three cooling methods: oil-immersed self-cooling, oil-immersed air-cooling, and forced oil circulation.
（2）Oil-immersed self-cooling relies on the natural convection of the oil to remove heat.Oil-immersed air-cooling is based on oil-immersed self-cooling, with the addition of a fan to blow air to the oil tank and oil pipe to enhance the heat dissipation effect.Forced oil circulation uses an oil pump to pump the hot oil in the transformer to the outside of the transformer for cooling before sending it back into the transformer.
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