Cooling Method of Three-phase Dry Type Power Transformer

The cooling mode of dry type transformer is divided into natural air cooling and forced air cooling. In the case of natural air cooling, the transformer can be operated continuously for a long time and the rated capacity under normal use conditions. When forced air cooling, under normal conditions of use, the output capacity of the transformer can be increased by 50%, which is suitable for intermittent overload operation or emergency accident overload operation. Since the load loss and the impedance voltage increase greatly during overload, it is in a non-economic operation state, so it should not be subjected to long-term continuous overload operation.

For natural air-cooled and forced air-cooled transformers, it is necessary to ensure that the transformer room has good ventilation capacity. When the transformer is installed in the basement or in a poorly ventilated environment, a cooling and ventilation device must be added. The fan air cooling system has low noise, uniform cooling and good effect. It is small in size and takes up little space and does not exceed the outline size of the transformer body.

The above is the cooling method of three-phase dry type power transformer (natural air cooling and forced air cooling). For more information, please pay attention to the official website of YueBian.

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