NDLI: A low computation fractal based voltage space phasor generation for a four level inverter using open-end winding induction motor drive

Content Provider	IEEE Xplore Digital Library
Author	Shiny, G. Baiju, M.R.
Copyright Year	2011
Description	Author affiliation: Power Electronics Research Laboratory, Dept. of Electronics & Communication Engineering, College of Engineering Trivandrum, Kerala, India (Shiny, G.; Baiju, M.R.)
Abstract	A Space Vector based Pulse Width Modulation scheme for a 4-level inverter in open-end winding configuration is proposed. An approach based on fractal theory is used to find the sector and the inverter switching vectors. The space vector locations and associated computations are performed in 60° coordinate framework. This representation avoids fractional arithmetic, thereby reducing computational complexity compared to the methods based on Cartesian coordinate system. Mapping to 2-level is used to determine the duration of switching vectors. The scheme is experimentally verified by using a 4-level inverter configuration. 4-level inversion is achieved by connecting two 2-level inverters in open-end winding configuration. The individual inverters are fed with asymmetric DC link voltages. The switching vectors for the two inverters are automatically generated without using look-up tables. The scheme is implemented and tested with a 2-HP open-end winding induction motor.
Starting Page	286
Ending Page	291
File Size	1291438
Page Count	6
File Format	PDF
ISBN	9781612849997
ISSN	21645264
e-ISBN	9781457700019
e-ISBN	9781457700002
DOI	10.1109/PEDS.2011.6147260
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-05
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vectors Inverters Switches Fractals Modulation Windings Induction motors
Content Type	Text
Resource Type	Article

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