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Carrier based Modulation Technique for Space Vector PWM of Dodecagonal Voltage SV Structures

Kaarthik, R Sudharshan and Mathew, J and Gopakumar, K (2017) Carrier based Modulation Technique for Space Vector PWM of Dodecagonal Voltage SV Structures. In: 43rd Annual Conference of the IEEE-Industrial-Electronics-Society (IECON), OCT 29-NOV 01, 2017, Beijing, PEOPLES R CHINA, pp. 940-945.

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Official URL: http://dx.doi.org/10.1109/IECON.2017.8216162


Dodecagonal (12-sided polygon) voltage space vector structures have advantages like extension of linear modulation range, elimination of fifth and seventh harmonics in phase voltages and currents for the full modulation range including extreme 12-step operation, reduced device voltage ratings, lower switching frequency requirement making it more suitable for high power drive applications. A simple carrier based modulation method is proposed to obtain space vector pulse width modulation (SVPWM) switching patterns for a dodecagonal voltage space vector (SV) structure using only sampled reference voltages in this paper. The algorithm outputs the sector information and the SVPWM compare values which can be set as the references for any PWM module to obtain SVPWM switching sequences. The proposed method eliminates the need for partitioning and recombination of the computed timing values, angle estimation and computation of modulation index which in common in conventional SVPWM modulation technique. Simulation and experimental results are presented to validate the proposed method.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belong to IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Depositing User: Id for Latest eprints
Date Deposited: 18 Apr 2018 18:22
Last Modified: 18 Apr 2018 18:22
URI: http://eprints.iisc.ac.in/id/eprint/59634

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