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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2014, Vol. 35 ›› Issue (2): 506-515.doi: 10.7527/S1000-6893.2013.0325

• Electronics and Control • Previous Articles     Next Articles

High Efficiency Stacked Boost Converter in Aerospace Applications

CHEN Qian, ZHENG Qionglin, LI Yan   

  1. School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
  • Received:2013-05-16 Revised:2013-06-27 Online:2014-02-25 Published:2013-06-28
  • Supported by:

    China Postdoctoral Science Foundation (2011M500225);Research Fund for the Doctoral Program of Higher Education of China (20110009120032)

Abstract:

Most of the power of a stacked boost converter (SBC) is transferred to the load directly rather than passing through a MOSFET; that is why an SBC with high efficiency is suitable for aerospace applications. In order to avoid input or output current discontinuity, a bilateral magnetized transformer is employed. The SBC is composed of a pulsating cell, an inductor, an output capacitor and a stacked branch. The structure and generation rules of three kinds of SBCs are proposed, which are named SBC-Ⅰ, SBC-Ⅱ and SBC-Ⅲ respectively. Nine topologies generated according to the generation rules are compared in terms of current characteristics, transfer function, DC magnetic bias and efficiency. In addition, experimental results by a 600 W prototype are given to verify the validity of the theoretical analysis.

Key words: battery discharge regulator, input parallel output series, efficiency, step-up converter, voltage source converter, current source converter

CLC Number: