The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Study of the Active Resonance Damper for a DC Distributed Power System with Parallel Pulsed Power Loads

병렬펄스부하를 갖는 직류배전시스템을 위한 능동 공진 댐퍼에 대한 연구

  • 나재두 (인하공업 전문대학 전기정보과) ;
  • 이병헌 (인하대학교 IT공과대학 전기공학과) ;
  • 장한솔 (인하대학교 IT공과대학 전기공학과) ;
  • 우현민 ((주) 동부로봇 연구원) ;
  • 김영석 (인하대학교 전기공학과)
  • Received : 2012.05.21
  • Accepted : 2012.08.22
  • Published : 2012.09.01
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Abstract

An active resonance damper for a DC Distributed Power System(DPS) with parallel loads is presented. Each pulse power load in a DC DPS comprises both a resistive power load and a step-up converter. The step-up converter behave as constant power load(CPL) when tightly regulated and usually cause a negative impedance instability problem. Furthermore, when an input filter is connected to a large constant power load, the instability of DC bus voltage. In this paper, a bidirectional DC/DC converter with a reduced storage capacitor quantitatively are proposed as a active resonance damper, to mitigate the voltage instability on the bus. The validity of the proposed method was confirmed by simulation and experimental works.

Keywords

References

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