NDLI: Harmonic Analysis of Advanced Bus-Clamping PWM Techniques

Content Provider	IEEE Xplore Digital Library
Author	Bhavsar, T. Narayanan, G.
Copyright Year	1986
Abstract	Special switching sequences can be employed in space-vector-based generation of pulsewidth-modulated (PWM) waveforms for voltage-source inverters. These sequences involve switching a phase twice, switching the second phase once, and clamping the third phase in a subcycle. Advanced bus-clamping PWM (ABCPWM) techniques have been proposed recently that employ such switching sequences. This letter studies the spectral properties of the waveforms produced by these PWM techniques. Further, analytical closed-form expressions are derived for the total rms harmonic distortion due to these techniques. It is shown that the ABCPWM techniques lead to lower distortion than conventional space vector PWM and discontinuous PWM at higher modulation indexes. The findings are validated on a 2.2-kW constant V/f induction motor drive and also on a 100-kW motor drive.
Sponsorship	IEEE Power Electronics Society
Starting Page	2347
Ending Page	2352
Page Count	6
File Size	243323
File Format	PDF
ISSN	08858993
Volume Number	24
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse width modulation Harmonic analysis Pulse width modulation inverters Space vector pulse width modulation Pulse generation Pulse inverters Voltage Clamps Closed-form solution Harmonic distortion voltage-source inverter (VSI) harmonic distortion induction motor drive pulsewidth modulation (PWM) space vector PWM
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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