Proceedings Article10.1109/PESC.2006.1712274
Novel Bidirectional Three-phase Rectifier without using DC-link Current Sensor
Ke-Yen Lee,Yue-Lin Wu,Yen-Shin Lai +2 more
- 18 Jun 2006
- pp 1-5
9
TL;DR: The off-shelf DC/AC stage can be used to realize a novel bi-directional three-phase rectifier without using DC-link current sensor with the possibility of building a back-to-back AC/DC/AC system using two identical hardware modules.
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Abstract: The objective of this paper is to present a novel bi-directional three-phase rectifier without using DC-link current sensor. Therefore, the off-shelf DC/AC stage can be used to realize such bi-directional rectifier with only slight modification to the control software. This feature provides the possibility of building a back-to-back AC/DC/AC system using two identical hardware modules. An experimental system is set up to verify the presented rectifier. It will be shown that the THD of current is less than 5% and the harmonic contents meet the IEEE 61000-3-2. The experimental results fully confirm the algorithm and implementation.
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Citations
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TL;DR: In this article, a control scheme of three-phase PWM rectifiers eliminating both the AC input voltage and current sensors is proposed, where the phase angle and magnitude of the source voltage are estimated by controlling the deviation between the rectifier current and its model current to be zero.
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Dong-Choon Lee,Dae-Sik Lim +1 more
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TL;DR: In this article, a novel control scheme of three-phase PWM rectifiers eliminating the AC voltage and current sensors is proposed, where the phase angle and the magnitude of the source voltage are estimated by controlling the deviation between the rectifier current and its model current to be zero.
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