Published September 30, 2020 | Version v1
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V/C Digital Controlled DC-DC Converter

  • 1. M.tech, Department of Electrical and Electronics Engineering, Lakireddy Bali Reddy College of Engineering, Mylavaram, India.
  • 2. Associate Professor, Department of Electrical and Electronics Engineering, Lakireddy Bali Reddy College of Engineering, Mylavaram, India
  • 1. Publisher

Description

In this paper, the switching of dc-dc converter using voltage/current digital control is proposed. It is the combination of existed digital average voltage and digital average current controls. The stability analysis of V/C digital controlled dc-dc converter is derived by using sampled data model. The transient analysis of V/C digital controlled dc-dc converter is also derived by using z-domain small signal model. The proposed V/C digital controlled dc-dc converter has over current protection, fast load transient response, no sub-harmonic oscillations at any value of duty cycle, and wider stability range. The proposed system is analysed with a simple buck converter. The output voltage and inductor current weighting factors influence the stability boundary and transient performances of V/C digital controlled dc-dc converter. The stability analysis and transient analysis is investigated and verified by circuit simulations.

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Journal article: 2277-3878 (ISSN)

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ISSN
2277-3878
Retrieval Number
100.1/ijrte.C4295099320