Analysis and modeling of digital peak current mode control

Author

Suryanarayana, K. ; Prabhu, L.V. ; Anantha, S. ; Vishwas, K.

Author_Institution

Dept. of Electr. & Electron. Eng., NMAM Inst. of Technol., Karkala, India

fYear

2012

Firstpage

1

Lastpage

6

Abstract

This paper presents analysis of peak current mode control for a buck converter operating in continuous conduction mode. The current feedback loop with slope compensation is analyzed. The mathematical modeling with control to output transfer function and stability analysis of the converter based on this transfer function is also presented. The digital implementation of peak current mode control with feedback compensation is described. Simulation results and experimental observations are shown for a buck converter with peak current mode control operating with 100V input voltage and 0-95V, 100A output.

Keywords

digital control; electric current control; feedback; power convertors; stability; transfer functions; buck converter; continuous conduction mode; current 100 A; current feedback loop; digital implementation; digital peak current mode control; feedback compensation; output transfer function; slope compensation; stability analysis; voltage 0 V to 95 V; voltage 100 V; Harmonic analysis; Inductors; Power harmonic filters; Switches; Switching frequency; Transfer functions; Voltage control; Slope compensation; peak current mode control; sub harmonic oscillations; two pole two zero compensator;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics, Drives and Energy Systems (PEDES), 2012 IEEE International Conference on

Conference_Location

Bengaluru

Print_ISBN

978-1-4673-4506-4

Type

conf

DOI

10.1109/PEDES.2012.6484451

Filename

6484451