Dry-type transformer with high-temperature protection function

Abstract

The invention discloses a dry-type transformer with a high-temperature protection function, and belongs to the technical field of dry-type transformers. According to the dry-type transformer with the high-temperature protection function, when the temperature of a transformer body abnormally rises, gas in a cooling tank is heated to expand to break a pre-fracture layer, at the moment, cooling liquid enters the cooling tank, and the transformer body can be effectively and temporarily cooled and protected, so the reaction and operation time of workers is prolonged; meanwhile, when the temperature continues to rise, a trigger layer continues to expand to extrude a protective deformation ball to a certain degree, mixed powder and glue raw materials in the protective deformation ball can flow out and be mixed after a pre-breaking layer is broken, and can be quickly polymerized, cured and adhered, so the interior of the first cavity becomes firmer, thereby improving the strength of the outer protective layer, improving the overall strength of the protective sleeve, and improving the use effect of the protective sleeve and the use safety of the transformer body.

Description

technical field [0001] The invention relates to the technical field of dry-type transformers, more specifically, to a dry-type transformer with high temperature protection function. Background technique [0002] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. Transformers are the basic equipment for power transmission and distribution, and are widely used in industry, agriculture, transportation, urban communities and other fields. [0003] Dry-type transformers are commonly used in transformers. Dry-type transformers are generally used in indoor crowded places, buildings, airports, mechanical equipment and other places. Dry-type transformers are safer than oil-immersed transformers. S...

AI Technical Summary

Problems solved by technology

[0004] When the current dry-type transformer is working indoors, sometimes the temperature of the dry-type transformer will rise abnormally due to reasons such as transformer winding, iron core short circuit or long-term load operation. If the temperature is too high, it may cause damage to the dry-type transformer or even Serious accidents such as burning, at present, after the temperature of the dry-type transformer rises and the staff finds out, there may not be enough time to deal with it due to the temporary protection function, which greatly reduces the life of the dry-type transformer, and serious accidents may also occur

Images