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Due to the increasing demand for highly efficient power electronic converters, a detailed design targeting each individual circuit component like magnetic components is getting more and more important. Several electric and calorimetric methods for the loss measurement of magnetic components are known from literature. Nevertheless, only the last approach can be used to properly perform measurements...
Modelling of medium-frequency power transformers is analyzed and experimentally validated to characterize these devices along the operating power range. Special attention is paid to the core losses, winding losses and thermal modelling at operating conditions typical of power electronics applications. The performance of a commercial 50 kHz-5 kVA litz-wired transformer for PV resonant converters is...
This paper proposes an application of Artificial Neural Networks (ANN) for estimation of electrical losses in the three-phase distribution transformer during construction stages. The Artificial Neural Networks (ANN) is employed as an estimator in order to identify the electrical loss of the distribution transformer during design process. The related parameters such as input current, core loss, copper...
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