MICROCONTROLLER-BASED COOLING OF A SINGLE-PHASE TRANSFORMER WITH THERMOELECTRIC MODULE

Abstract

Copper and core losses produced in the windings and core of a transformer cause the transformer to heat up, thereby deteriorating the transformer performance. The resulting heat needs to be thrown away out of the machine as it is more likely to damage either machine itself or its equipment, or both. For this aim, a new cooling technique for transformer core and windings, which is a unique one in its field related to transformer cooling systems, is presented in this paper using the peltier effect of thermoelectric module. In the several tests carried out, an industrial type single-phase transformer is heated by a certain amount under various operating conditions. Thanks to the presented technique, the transformer heat has been successfully kept within a predefined temperature band. Other than single-phase transformers, the presented technique can be easily applied for cooling of three-phase transformers as well. Due to its ease of application, simple structure and low cost, the presented technique is a powerful alternative to other existing techniques in the literature

Keywords

• transformer cooling,temperature control,thermoelectric module,peltier effect

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