Energy storage variation ratio and power efficiency of Cuk converter in continuous mode

Wenzheng Xu, K. W.E. Cheng

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

The amount of storage energy in comparison to the output energy for basic topologies deserves deep research which was proposed over ten years ago. It has been analyzed and demonstrated that the larger is the energy variation ratio of power devices including inductors and capacitors, the larger is power loss, thus lower efficiency. This paper extends this theory to Cuk converter and derived the energy storage variation ratio and its relationship with power loss. Simulation in conducted in PSIM platform and verified the energy ratio's impact on efficiency via detailed calculation. Finally a sample Cuk converter is built, and experiment results further demonstrated the energy ratio's relationship with power loss and efficiency from one perspective, which could help us understand and design a converter better.

Original languageEnglish
Title of host publication2015 6th International Conference on Power Electronics Systems and Applications
Subtitle of host publicationElectric Transportation - Automotive, Vessel and Aircraft, PESA 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509000623
DOIs
Publication statusPublished - 3 Feb 2016
Event6th International Conference on Power Electronics Systems and Applications, PESA 2015 - Hong Kong, Hong Kong
Duration: 15 Dec 201517 Dec 2015

Publication series

Name2015 6th International Conference on Power Electronics Systems and Applications: Electric Transportation - Automotive, Vessel and Aircraft, PESA 2015

Conference

Conference6th International Conference on Power Electronics Systems and Applications, PESA 2015
Country/TerritoryHong Kong
CityHong Kong
Period15/12/1517/12/15

Keywords

  • Cuk converter
  • efficiency
  • energy ratio
  • power loss
  • switched-mode power converters

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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