Dynamic modeling, simulation and control of a series resonant converter with clamped capacitor voltage

Author

Ho, Terrence T J ; Verghese, George C. ; Osawa, Chiharu ; Jacobson, Boris S. ; Kato, Toshiji

Author_Institution

Lab. for Electromagn. & Electron. Syst., MIT, Cambridge, MA, USA

fYear

1994

fDate

20-25 Jun 1994

Firstpage

1289

Abstract

A modified series resonant converter with clamped tank capacitor voltage exhibits complex dynamic characteristics due to the clamping diodes. This paper describes work aimed at understanding the dynamic behavior of the converter in a three-dimensional state-space. Geometric features of the state trajectories are analysed, and sampled-data models are developed. Based on the small-signal model around nominal operation, a feedback controller is designed. Nonlinear control rules are established to deal with large deviations from the nominal. The study is supported by simulation results obtained using a specially developed simulator

Keywords

circuit analysis computing; control system synthesis; controllers; digital simulation; feedback; nonlinear control systems; power engineering computing; resonant power convertors; clamped tank capacitor voltage; control; dynamic modeling; feedback controller; geometric features; nonlinear control rules; sampled-data models; series resonant converter; simulation; simulator; small-signal model; state trajectories; three-dimensional state-space; Adaptive control; Capacitors; Circuits; Clamps; Diodes; Inductors; Jacobian matrices; Resonance; Switching converters; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, PESC '94 Record., 25th Annual IEEE

Conference_Location

Taipei

Print_ISBN

0-7803-1859-5

Type

conf

DOI

10.1109/PESC.1994.373849

Filename

373849