Static inverter with synchronous output waveform synthesized by time-optimal-response feedback

Author

Kernick, Andress ; Stechschulte, D. ; Shireman, D.

Author_Institution

Westinghouse Res. Labs. Pittsburgh, Pittsburgh, PA, USA

fYear

1976

fDate

8-10 June 1976

Firstpage

148

Lastpage

156

Abstract

Time-optimal-response "bang-bang" or "bang-hang" technique, using four feedback control loops, synthesizes static-inverter sinusoidal output waveform by self-oscillatory but yet synchronous pulse-frequency-modulation (SPFM). A single modular power stage per phase of AC output entails the minimum of circuit complexity while providing by feedback synthesis individual phase voltage regulation, phase position control and inherent compensation simultaneously for line and load disturbances. Clipped sinewave performance is described under off-limit load or input voltage conditions. Also, approaches to high power levels, 3-phase arraying and parallel modular connection are given.

Keywords

bang-bang control; circuit complexity; compensation; control system synthesis; feedback; invertors; optimal control; position control; pulse frequency modulation; voltage control; 3-phase arraying connection; SPFM; circuit complexity; clipped sinewave performance; feedback control loops; feedback synthesis; high power levels; inherent compensation; input voltage condition; line disturbance; load disturbance; off-limit load condition; parallel modular connection; phase position control; phase voltage regulation; self-oscillatory; single modular power stage-per-phase; static inverter; synchronous output waveform; synchronous pulse-frequency-modulation; time-optimal-response bang-bang technique; time-optimal-response bang-hang technique; time-optimal-response feedback; Arrays; Harmonic analysis; Hysteresis; Inverters; Radiation detectors; Read only memory; Voltage control;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 1976 IEEE

Conference_Location

Cleveland, OH

Type

conf

DOI

10.1109/PESC.1976.7072911

Filename

7072911