Journal of Electrical Engineering and Technology

  • 제8권5호
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  • Pages.1086-1095
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  • 2013
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  • 1975-0102(pISSN)
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  • 2093-7423(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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Analysis and Modeling of Parallel Three-Phase Boost Converters Using Three-Phase Coupled Inductor

  • Lim, Chang-Soon (Dept. of Electrical Engineering, Hanyang University) ;
  • Lee, Kui-Jun (FREEDM Systems Center, North Carolina State University) ;
  • Kim, Rae-Young (Dept. of Electrical Engineering, Hanyang University) ;
  • Hyun, Dong-Seok (Dept. of Electrical Engineering, Hanyang University)
  • 투고 : 2012.12.08
  • 심사 : 2013.04.18
  • 발행 : 2013.09.01
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초록

The main issue of parallel three-phase boost converters is reduction of the low- and high frequency circulating currents. Most present technologies concentrate on low frequency circulating current because the circulating current controller cannot mitigate the high frequency circulating current. In this paper, analytical approach of three-phase coupled inductor applied to parallel system becomes an important objective to effectively reduce the low- and high frequency circulating currents. The characteristics of three-phase coupled inductor based on a structure and voltage equations are mathematically derived. The modified voltage equations are then applied to parallel three-phase boost converters to develop averaged models in stationary coordinates and rotating coordinates. Based on the averaged modeling approach, design of the circulating current controller is presented. Simulation and experimental results demonstrate the effectiveness of the analysis and modeling for the parallel three-phase boost converters using three-phase coupled inductor.

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참고문헌

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