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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Thursday 24 May 2018

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  Call for Papers - May 2018     |     Now IJIAS is indexed in EBSCO, ResearchGate, ProQuest, Chemical Abstracts Service, Index Copernicus, IET Inspec Direct, Ulrichs Web, Google Scholar, CAS Abstracts, J-Gate, UDL Library, CiteSeerX, WorldCat, Scirus, Research Bible and getCited, etc.  
 
 
 

Three Phase Parallel Multilevel Inverter Fed Induction Motor Using POD Modulation Scheme


Volume 7, Issue 3, August 2014, Pages 1209–1214

 Three Phase Parallel Multilevel Inverter Fed Induction Motor Using POD Modulation Scheme

N V Bharadwaj1, Dr. P Chandrasekhar2, and B V Hemanth Kumar3

1 Assoc. Professor, Member ISTE, India
2 Professor, MGIT, JNTUH, India
3 Assoc. Professor, Member ISTE, India

Original language: English

Received 17 July 2014

Copyright © 2014 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


This Paper presents the Phase Disposition Scheme, which is topology independent. This scheme is used in Multilevel Inverters, interleaved parallel combination. Analysis on the other scheme which is Phase Opposition Disposition has also been performed. The best strategies related to the paralleling of inverters are evaluated, particularly those associated to current balancing between commutation cells of the same phase.
Pulse width modulation (PWM) strategies and methods for multilevel converters are usually developed for series converters. In this paper it is shown that they may be applied to parallel converters using interleaving techniques, given that these converters also have multilevel characteristics. PWM methods based on carriers' disposition and on zero sequence injection are studied for parallel multilevel inverters. Analysis shows that the best method in terms of load current ripple is the phase disposition method. The current balancing between commutation cells of the same phase is comparatively superior with this method. Another objective on which work was done was to analyze these problems and to propose a solution to cancel current imbalance when using POD (Phase Opposition Disposition). The load was chosen to be a three phase induction motor drive and its parameters such as Stator Current, Speed and Electromagnetic Torque have been analysed as such.


Author Keywords: Three Phase, Multilevel Inverter, Fed Induction Motor, POD Modulation Scheme.


How to Cite this Article


N V Bharadwaj, Dr. P Chandrasekhar, and B V Hemanth Kumar, “Three Phase Parallel Multilevel Inverter Fed Induction Motor Using POD Modulation Scheme,” International Journal of Innovation and Applied Studies, vol. 7, no. 3, pp. 1209–1214, August 2014.