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Volume 55 Issue 2
Mar.  2020
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Article Contents
Journal of Southwest Jiaotong University  > 2020  >  55(2): 435-441, 458.
ZHOU Guohua, ZENG Shaohuan, ZHOU Shuhan, MAO Guihua. Performance Analysis of Tri-state Boost Converter with Dynamic Reference Current Control[J]. Journal of Southwest Jiaotong University, 2020, 55(2): 435-441, 458. doi: 10.3969/j.issn.0258-2724.20180005
Citation: ZHOU Guohua, ZENG Shaohuan, ZHOU Shuhan, MAO Guihua. Performance Analysis of Tri-state Boost Converter with Dynamic Reference Current Control[J]. Journal of Southwest Jiaotong University, 2020, 55(2): 435-441, 458. doi: 10.3969/j.issn.0258-2724.20180005
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Performance Analysis of Tri-state Boost Converter with Dynamic Reference Current Control

doi: 10.3969/j.issn.0258-2724.20180005
  • Received Date: 03 Jan 2018
  • Rev Recd Date: 01 Jun 2018
    • Available Online: 06 Jun 2018
  • Publish Date: 01 Apr 2020
    Abstract
  • To improve the efficiency, load range, and transient response performance of a tri-state boost converter operating in the pseudo continuous conduction mode (PCCM), the dynamic reference current (DRC) control was studied. First, the principles of the DRC controlled tri-state boost converter were analysed. Further, its conversion efficiency and load transient response performance were compared with those of the tri-state boost converter with constant reference current (CRC) control. Furthermore, their corresponding load range expressions were deduced. Finally, the theoretical analyses were verified by experiment. The results show that the efficiency of the DRC controlled tri-state boost converter in the light-load condition is improved by 14% compared with that of the CRC controlled tri-state boost converter. Moreover, the DRC controlled tri-state boost converter can operate in PCCM within full-load range. When the load is reduced and increased, the regulation time is decreased by 37.5% and 32.0%, and the voltage overshoot is decreased by 69.7% and 61.9%, respectively.

     

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