A novel control method for three-phase PWM rectifiers using a single current sensor

Woo‐Cheol Lee

doi:10.1109/63.867675

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A novel control method for three-phase PWM rectifiers using a single current sensor

2000-09-01

113

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Woo‐Cheol Lee *

Dong-Seok Hyun

Taeck-Kie Lee

DOI：10.1109/63.867675

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Abstract

En 中文

This paper proposes a control method For three-phase voltage-source PWM rectifiers using only a single current sensor in the de-link, A PWM modulation strategy for reconstructing three phase currents from the de-link current is given. When 3 empty set input currents cannot he reconstructed, a method for modifying the switching state of the PWM rectifier and a method for the predictive state observer is proposed, Compensation of the 2 sampling delays is also included, and this method is combined with all of the experiments. performance differences between the two methods in a typical voltage source PWM rectifier are investigated experimentally.

Keywords:

active vectors

minimum amount of time

predictive state observer

reconstruction

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