An Electrical Circuit based 3-D Steady State Thermal Model of a Fan Cooled 60 Hz, 20 kW 3-Phase Plasma Cutting Power Supply Transformer

  • G. R. Kamath
  • Published 2007 in 2007 IEEE Industry Applications Annual Meeting


This paper presents an electric circuit based 3-D steady state thermal model of a 3-phase, 60 Hz, 20 kW transformer operating under forced air cooled conditions. The model is developed using a cost effective approach and consists of current sources that represent the power loss, voltage sources for the temperature and resistors for the associated conduction… (More)


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