NDLI: Harmonic content in VSI operated with homogeneous pulse width

Content Provider	IEEE Xplore Digital Library
Author	Arahal, M.R. Barrero, F. Duran, M.J. Ortega, M.G.
Copyright Year	2013
Description	Author affiliation: Dipt. Ing. Electron., US. Spain, Seville, Spain (Barrero, F.) \|\| Dipt. Ing. Electr., UMA. Spain, Malaga, Spain (Duran, M.J.) \|\| Dipt. Ing. de Sist. y Autom., US. Spain, Seville, Spain (Arahal, M.R.; Ortega, M.G.)
Abstract	Operation of inverters requires a subsystem to generate the gating signals for the semiconductor switches. In the case of simple modulating schemes such as PWM the gating signals can be obtained from inexpensive analog or digital electronic hardwired logic. In other situations a DSP or other kind of device with high computing power is needed. Then it is usual to have a control program that requires an homogeneous sampling period. In such cases, the actuation signal is kept constant for the whole duration of the sampling period. This is is in sharp contrast with methods that modulate via pulse width. In this paper a geometrical analysis is made over the set of waveforms that can be generated this way. The interest is in the harmonic content of the resulting voltage. The study identifies the key factors regarding harmonic content and provides bounds on the minimum harmonic content achievable by any homogeneous pulse width technique. Other related issues such as commutation losses are also considered.
Sponsorship	IEEE Ind. Electron. Soc.
Starting Page	3561
Ending Page	3567
File Size	278580
Page Count	7
File Format	PDF
ISBN	9781479902248
ISSN	1553572X
DOI	10.1109/IECON.2013.6699701
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Pulse width modulation Vectors Inverters Tin Steady-state
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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