Experimental and numerical analysis of a simple core loss calculation for AC filter inductor in PWM DC-AC inverters

Kyoung Jun Lee, Honnyong Cha, Jong Pil Lee, Dong Wook Yoo, Hee Je Kim

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

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.

Original languageEnglish
Pages (from-to)113-121
Number of pages9
JournalJournal of Power Electronics
Volume13
Issue number1
DOIs
StatePublished - 2013

Keywords

  • Amorphous c-core
  • Calorimeter
  • Core loss
  • Filter inductor
  • PWM DC-AC inverter
  • Steinmetz equation

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