ACTA AERONAUTICAET ASTRONAUTICA SINICA >
High Efficiency Stacked Boost Converter in Aerospace Applications
Received date: 2013-05-16
Revised date: 2013-06-27
Online published: 2013-06-28
Supported by
China Postdoctoral Science Foundation (2011M500225);Research Fund for the Doctoral Program of Higher Education of China (20110009120032)
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.
CHEN Qian , ZHENG Qionglin , LI Yan . High Efficiency Stacked Boost Converter in Aerospace Applications[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014 , 35(2) : 506 -515 . DOI: 10.7527/S1000-6893.2013.0325
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