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2018 | OriginalPaper | Chapter

Common-Mode Voltage Regulation of Three-Phase SVPWM-Based three-Level NPC Inverter

Authors : Subramaniam Umashankar, Vishnu Kalaiselvan Arun Shankar, Padmanaban Sanjeevikumar, K. Harini

Published in: Advances in Power Systems and Energy Management

Publisher: Springer Singapore

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Abstract

This paper presents the implementation of the modulation strategy to balance the neutral point potential (NPP) in three-level NPC inverters. This method employs the space vector pulse width modulation technique which gives the strong regulating ability of common-mode voltage of DC link capacitors. Apart from balancing the dc bus voltage this paper also examines the switching losses and junction temperature associated with the three-level inverters. The comparison of three-level inverter with two-level inverter, on the basis of switching losses, has also been explored. The performance of the modulation strategy to balance NPP has been validated and verified using MATLAB/Simulink.

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Title: Common-Mode Voltage Regulation of Three-Phase SVPWM-Based three-Level NPC Inverter
Authors: Subramaniam Umashankar
Vishnu Kalaiselvan Arun Shankar
Padmanaban Sanjeevikumar
K. Harini
Publisher: Springer Singapore
Book: Advances in Power Systems and Energy Management
Print ISBN: 978-981-10-4393-2

Electronic ISBN: 978-981-10-4394-9

Copyright Year: 2018
DOI: https://doi.org/10.1007/978-981-10-4394-9_37