Two switches based AC-link phase-shifter

Julio Cesar Rosas-Caro; Jesus Eugenio Flores-Hernandez; Jonathan Carlos Mayo-Maldonado; Juan Miguel Gonzalez-Lopez; Antonio Valderrabano-Gonzalez; Hermenegildo Cisneros-Villegas

doi:10.1587/elex.9.1266

Julio Cesar Rosas-Caro, Jesus Eugenio Flores-Hernandez, Jonathan Carlos Mayo-Maldonado, Juan Miguel Gonzalez-Lopez, Antonio Valderrabano-Gonzalez, Hermenegildo Cisneros-Villegas

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Keywords: AC-AC power conversion, phase shifters, FACTS

JOURNAL FREE ACCESS

2012 Volume 9 Issue 15 Pages 1266-1272

DOI https://doi.org/10.1587/elex.9.1266

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Abstract

This work proposes a PWM quadrature phase shifter which uses only two driven switches. The PWM control is based on DC signals asynchronous from the grid, free of PLL and trigonometric calculations, the control can be accomplished with a low-cost micro controller.

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