NDLI: A Comparative Study of Two PWM Techniques for Single-Phase Shunt Active Power Filters Employing Direct Current Control Strategy

Content Provider	IEEE Xplore Digital Library
Author	Rahmani, S. Al-Haddad, K. Kanaan, H.Y. Fnaiech, F.
Copyright Year	2005
Description	Author affiliation: Energy Conversion & Power Electron., Ecole de Technol. Superieure, Montreal, Que. (Rahmani, S.; Al-Haddad, K.)
Abstract	This paper presents an experimental evaluation of two pulse-width-modulation (PWM) control techniques applied to a single phase shunt active power filter (SPSAPF). A direct current control strategy is implemented using a standard PWM (S-PWM) and a modified PWM (M-PWM) in order to compensate the current harmonics and the reactive power generated by a nonlinear load. The M-PWM control technique is based on two comparisons of a triangular high frequency carrier signal with a low frequency modulating signal (that represents the load current harmonics) and its opposite. The M-PWM shifts the first significant harmonics rays towards twice the switching frequency, and eliminates the spectral rays that are centered on the odd multiples of the switching frequency. Furthermore, it is shown that, for a M-PWM, the losses of the active filter are four times smaller than when using a S-PWM. Simulation and experimental results are presented to verify the better performance of the M-PWM over the S-PWM in terms of the total harmonic distortion (THD) of the source current and the reactive power compensation
Starting Page	2758
Ending Page	2763
File Size	638963
Page Count	6
File Format	PDF
ISBN	0780390334
DOI	10.1109/PESC.2005.1582023
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-16
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse width modulation Active filters Current control Power harmonic filters Switching frequency Space vector pulse width modulation Power system harmonics Reactive power control DC generators Power generation
Content Type	Text
Resource Type	Article

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