Chaos: a real phenomenon in power electronics

Author

Wood, Jonathan R.

Author_Institution

Mitre Corp., Bedford, MA, USA

fYear

1989

fDate

13-17 Mar 1989

Firstpage

115

Lastpage

124

Abstract

An introductory tutorial on chaotic behavior in DC-DC convertors is presented. Chaos is characterized by an emipirical spectrum which has a continuous component, and may even have no discrete components. Chaotic behavior frequently occurs when a power converter operates in a protective mode such as in a short-circuit or overload condition. Chaotic behavior in power converters is described in terms of phase-plane (state-space) trajectories. A description is given of a particular form of buck regulator circuit without PWM (pulse-width modulation) drive and without current sensing, i.e. a form of ripple-regulator. Simulation and experimental data for the circuit are presented and discussed. Two other similar circuits exhibiting chaotic behavior are also considered

Keywords

chaos; electrical faults; power convertors; DC-DC convertors; buck regulator circuit; chaos; electrical faults; emipirical spectrum; overload; power convertors; power electronics; ripple-regulator; short-circuit; Accidents; Chaos; Circuits; DC-DC power converters; Differential equations; Power electronics; Power engineering and energy; Power supplies; Spirals; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition, 1989. APEC' 89. Conference Proceedings 1989., Fourth Annual IEEE

Conference_Location

Baltimore, MD

Type

conf

DOI

10.1109/APEC.1989.36959

Filename

36959