V C Digital Controlled DC DC Converter | Zendy

R.Sravani | Zendy; P. Deepak Reddy | Zendy

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V C Digital Controlled DC DC Converter

Author(s) -

R.Sravani,

P. Deepak Reddy

Publication year - 2020

Publication title -

international journal of recent technology and engineering (ijrte)

Language(s) - English

Resource type - Journals

ISSN - 2277-3878

DOI - 10.35940/ijrte.c4295.099320

Subject(s) - duty cycle , forward converter , flyback converter , buck converter , ćuk converter , transient (computer programming) , digital control , buck–boost converter , boost converter , inductor , control theory (sociology) , transient response , voltage , electronic engineering , computer science , engineering , electrical engineering , control (management) , artificial intelligence , operating system

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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