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dry type transformer are widely used in local lighting, high-rise buildings, airports, docks CNC machinery and other places, simply that dry-type transformers refers to the core and the winding is not immersed in the insulating oil transformer.
Cooling is divided into natural air cooling (AN) and forced air cooling (AF). Natural air-cooled, the transformer can be rated for long-term continuous operation. Forced air-cooled, the transformer output capacity can be increased by 50%. It is suitable for intermittent overload operation or emergency overload operation. Due to the large increase of load loss and impedance voltage during overload, it should not be in continuous non-economic operation for a long time.

Working environment:
1.0 – 40 (℃), relative humidity <70%;
2. Altitude: not more than 2500 meters;
3. Avoid being exposed to rain, moisture, heat, heat or direct sunshine. The cooling vents and the surrounding objects should have a distance of not less than 40cm;
4 to prevent work in corrosive liquids, or gas, dust, conductive fibers or metal debris more places;
5 to prevent work in vibration or electromagnetic interference sites;
6. Avoid long-term inverted storage and transport, can not be strong impact.

Categories: Transformer