Behavioral switching model for current-fed Cockcroft–Walton voltage multiplier

Amirhossein Rajaei*, Iman Dehghanian, Mahdi Shahparasti, Edris Poursmaeil

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

After about 80 years of introducing the Cockcroft–Walton (CW) circuit, it is still widely used because of its advantages, such as simplicity and high step-up gain. Several studies focused on the performance and design optimization of the circuit, but a dynamic model of the circuit remains to be established. This study analyzed the operation principles of an n-stage current-fed Cockcroft–Walton (CF-CWVM) during transient and steady-state operations. Then, an approach was derived to achieve a mathematical model for CF-CWVM with an arbitrary number of stages. A mathematical model for one- and two-stage CF-CWVM was developed, and its results were compared with simulation results. The theoretical model and simulations were validated by providing a prototype of CF-CWVM and comparing the results with the model outputs.

Original languageEnglish
Pages (from-to)365-375
Number of pages11
JournalJOURNAL OF POWER ELECTRONICS
Volume20
Issue number2
DOIs
Publication statusPublished - 1 Mar 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • Cockcroft–Walton voltage multiplier
  • DC–DC converter
  • High step-up converter

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