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Seven-level shunt active power filter

Massoud, A. and Finney, S.J. and Williams, B.W. (2004) Seven-level shunt active power filter. In: Harmonics and quality of power. IEEE, New York, pp. 136-141. ISBN 0780387465

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Abstract

In this paper, the seven-level cascaded type inverter is used as a shunt active power filter to exploit multilevel inverter advantages. The capacitor voltage control technique used as a harmonic current extraction method for the two-level inverter is extended to the seven-level shunt active power filter. A predictive current controller based on the supply current (not the active filter current) is applied. Phase-shifted space vector modulation for the multilevel inverter is used as a PWM technique. The proposed seven-level shunt active power filter is validated by simulation.