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20KV dry-type transformer


20k dry-type transformers are widely used in places such as local lighting, high-rise buildings, airports, docks, and CNC machinery equipment. Simply put, a dry-type transformer is a transformer whose iron core and windings are not immersed in insulating oil.

  • Product Description
  • 20KV dry-type transformer Overview

    20k dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and other places. Simply put, a dry-type transformer is a transformer whose core and windings are not immersed in insulating oil. Cooling methods are divided into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can operate continuously at rated capacity for a long time. During forced air cooling, the transformer's output capacity can be increased by 50%. Suitable for intermittent overload operation; or emergency overload operation. Because the load loss and impedance voltage increase significantly during overload, it is in a non-economic operating state, so it should not be allowed to operate continuously under overload for a long time.

     

    1. High-efficiency energy conversion design
      The power transformer adopts high-magnetic silicon steel sheets and optimized winding structure to achieve an energy conversion efficiency of more than 98.5%, and the no-load loss is 30% lower than that of traditional products. The specially designed cooling channel keeps the temperature rise within 45K to ensure continuous and stable operation.

    2. Intelligent monitoring system
      The transformer with integrated IoT technology is equipped with 12 real-time monitoring points, which can accurately collect key parameters such as temperature, oil level, vibration, etc., and realize abnormal warning through the cloud platform, and the fault response time is shortened to within 15 minutes.

    3. Environmentally friendly insulation solution
      The new plant ester insulating oil is completely biodegradable, with a flammability of more than 320℃. Combined with specially treated insulating paper, the environmental protection level of the transformer is raised to the highest standard, and the service life is extended to 30 years.

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