Dry Power Transformer

Dry Power Transformer

Product Function: 1.Flame retardant, non-pollution, it can be installed directly in the load center. 2.Maintenance-free, easy to be installed, low operating costs. 3.The enclosure can be of Good moisture resistance, transformer can be put into operation without pre-drying under 100% humidity in...

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Product Function:

1.Flame retardant, non-pollution, it can be installed directly in the load center.
2.Maintenance-free, easy to be installed, low operating costs.
3.The enclosure can be of Good moisture resistance, transformer can be put into operation without pre-drying under 100% humidity in the normal operation.
4.Low loss, light weight and small volume, low noise, good dissipation of heat, it can be 150% rated load operation under forced air cooling conditions.
5.Equipped with a complete temperature protection control system to provide reliable protection for the safe operation of transformers.
6.High reliability. The results of checking for the products that has been put into operation show that the reliability index has reached the international advanced level.

dry type transformer

Structural Characteristics:

Foil Coil: Adopting the entire section of copper foil, together with the F-class turn insulation, low voltage winding is wound by the special low-voltage foil winding machine. The foil coil resolves problems such as large short-circuit stress, ampere turn unbalance, poor heat dissipation, existing the winding spiral angle and unsteady manual welding quality due to low voltage and large current coil. At the same time, the end of winding is treated with cast resin, solidification to make shape, moisture-proof and anti-fouling, the lead for copper bar is welded by argon arc welding automatically.


Temperature Control Device: the transformer adopts BWDK series of signal thermometer. The temperature components are embedded in the upper half of the low-voltage coil, can detect and display the temperature of separate phase coil automatically and continuously, also have the functions of over-temperature alarm and trip.

dry type transformer

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