Article : [TRIAC053]

Titre : P. MAUSSION, M. GRANDPIERRE, J. FAUCHER, J.C. HAPIOT, Instantaneous feedback control of a single-phase PWM inverter with nonlinear loads by sine wave tracking

Cité dans : [DIV066]  Recherche sur le mot clé : TRIAC*

Appears : Industrial Electronics Society, 1989. IECON '89., 15th Annual Conference of IEEE
Pages : 130 - 135
Volume : 1
Date : 6-10 Nov. 1989
Info : Total Pages: 4 vol. 822
Stockage : Thierry LEQUEU
Lien : private/HAPIOT.pdf - 430 Ko.

Abstract :
The authors propose a novel method for the instantaneous digital
control of a PWM (pulse-width modulated) inverter used in an
uninterruptible power supply. The output voltage is compared to a
sinusoidal reference at each sampling instant to compute in real
time through a digital controller the pulse width of the same
interval. The closed-loop digital feedback eliminates the
steady-state error of the output voltage with a very short
computation time. This strategy is verified through computer
simulations and provides a very fast compensation of disturbances
caused by nonlinear loads, such as rectifiers and triac loads,
with low total harmonic distortion and fundamental control.<>

Subjet_terms :
feedback control; single-phase PWM inverter; nonlinear loads;
sine wave tracking; instantaneous digital control;
uninterruptible power supply; closed-loop digital feedback;
rectifiers; triac loads; harmonic distortion; fundamental
control; closed loop systems; digital control; feedback; pulse
width modulation; uninterruptible power supplies

References : 20
Accession_Number : 3648732

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