Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Experimental and Numerical Analysis of a Simple Core Loss Calculation for AC Filter Inductor in PWM DC-AC Inverters

  • Lee, Kyoung-Jun (Dept. of Electrical Eng., Pusan National University) ;
  • Cha, Honnyong (School of Energy Engineering, Kyungpook National University) ;
  • Lee, Jong-Pil (Power Conversion & Control Research Center, KERI) ;
  • Yoo, Dong-Wook (Power Conversion & Control Research Center, KERI) ;
  • Kim, Hee-Je (Dept. of Electrical Eng., Pusan National University)
  • Received : 2012.06.18
  • Published : 2013.01.20
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Abstract

This paper introduces a simple core loss calculation method for output filter inductor in pulse width modulation (PWM) DC-AC inverter. Amorphous C-core (AMCC-320) is used to analyze the core loss. In order to measure core loss of the output filter inductor and validate the proposed method, a single-phase half-bridge inverter and a calorimeter are used. By changing switching frequency and modulation index (MI) of the inverter, core loss of the AMCC-320 is measured with the lab-made calorimeter and the results are compared with calculated core loss. The proposed method can be easily extended to other core loss calculation of various converters.

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References

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