NDLI: Optimized resolution-level for input-output control of 3ϕ VS WM AC-DC converters

Content Provider	IEEE Xplore Digital Library
Author	Saleh, S.A. Rahman, M.A.
Copyright Year	2012
Description	Author affiliation: Department of Electrical and Computer Engineering, University of New Brunswick, Fredericton, NB, Canada (Saleh, S.A.) \|\| Faculty of Engineering and Applied Sciences, Memorial University of Newfoundland, St. John's, NL, Canada (Rahman, M.A.)
Abstract	The switching pulses generated by the wavelet modulation technique represent sets of scaled and translated synthesis scale-based linearly-combined wavelet basis functions. The duration and location of each switching pulse are determined by the scale. In this paper, a novel controller is developed and tested for three phase, voltage source, 6-pulse wavelet modulated ac-dc converters. The proposed controller is structured to determine the maximum value of the scale j based on two phase shift angles. The first phase shift angle θI is defined to adjust the generated switching pulses in response to changes in the converter input three phase voltages. The second phase shift angle θO is defined to adjust the generated switching pulses in order to ensure the output dc voltage follows its command value. The optimized resolution-level controller is implemented for simulation and experimental testing for input three phase voltages with unbalances, as well as step changes in the command output dc voltage. Test results demonstrate fast responses, accurate adjustments and good dynamics to ensure the output dc voltage follows its command value regardless of the state of the 3ϕ input voltages.
Starting Page	1
Ending Page	8
File Size	1475277
Page Count	8
File Format	PDF
ISBN	9781467303309
ISSN	01972618
e-ISBN	9781467303323
e-ISBN	9781467303316
DOI	10.1109/IAS.2012.6374012
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms AC-DC power converters Frequency modulation The sampling theorem Switches Power system harmonics Mathematical model Voltage control Equations Multiresolution analysis
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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