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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Three-phase, three-wire, five-level cascaded shunt active filter for power conditioning, using two different space vector modulation techniques

Massoud, A. and Finney, S.J. and Cruden, Andrew and William, B.W. (2007) Three-phase, three-wire, five-level cascaded shunt active filter for power conditioning, using two different space vector modulation techniques. IEEE Transactions on Power Delivery, 22 (4). pp. 2349-2361. ISSN 0885-8977

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Abstract

The three-phase, three-wire, five-level cascaded Inverter is used as a medium-voltage shunt active power filter. The capacitor voltage-control technique used as a harmonic current extraction method for the two-level inverter is extended to the five-level shunt active power filter, with a technique proposed for balancing capacitor voltages. Predictive current control based on the supply current (not the active filter current) is employed. Two different space vector modulation (SVM) techniques viz., phase-shifted SVM and hybrid SVM, are used for multilevel inverter pulsewidth-modulation generation. The proposed five-level shunt active power filter is validated by simulation and practically for both modulation techniques. The proposed technique results in the same software and hardware requirements for any m-level inverter.