• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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Volume 22 Issue 5
Mar.  2010
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Article Contents
QIN Ming, XU Jianping, MU Qingbo. Control Laws and Characters of Pulse Train Controlled Buck Converters[J]. Journal of Southwest Jiaotong University, 2009, 22(5): 660-666.
Citation: QIN Ming, XU Jianping, MU Qingbo. Control Laws and Characters of Pulse Train Controlled Buck Converters[J]. Journal of Southwest Jiaotong University, 2009, 22(5): 660-666.

Control Laws and Characters of Pulse Train Controlled Buck Converters

  • Received Date: 20 Nov 2008
  • Publish Date: 12 Nov 2009
  • The merits and implementation of voltage mode pulse train (VMPT) and current mode pulse train (CMPT) control techniques for switching DC-DC converters were analyzed by theoretical analysis,simulation and experiment to compare their steady state characters,control regulation and startup process.The results show that the control regulations of VMPT and CMPT controllers have basically the same control law under the variation in load,i.e.they generate more high-energy pulses when the load increases;under the variation in input,i.e.when the input voltage increases,VMPT and CMPT controllers generate more low-energy and more high-power pulses,respectively;and the startup process of the CMPT converter is smoother compared with that of the VMPT converter.

     

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