Abstract
In the paper the compact nonlinear thermal model of the pulse transformer is proposed. This model has a form of the electronic network and it makes possible calculations of waveforms of the temperature of the core and every winding of the transformer taking into account both self-heating in each component of the transformer and mutual thermal couplings between these components, as well as nonlinearities of processes responsible for the removal of heat generated in the transformer. The form of the worked out model is presented together with analytic dependences describing influence of power dissipated in each component on self and mutual thermal resistances occurring in this model. Correctness of the worked out model is verified experimentally for selected constructions of pulse transformers.
Published Version
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