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

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Advances in Power Systems and Energy Management

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 436))

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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Correspondence to Subramaniam Umashankar .

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Umashankar, S., Arun Shankar, V.K., Sanjeevikumar, P., Harini, K. (2018). Common-Mode Voltage Regulation of Three-Phase SVPWM-Based three-Level NPC Inverter. In: Garg, A., Bhoi, A., Sanjeevikumar, P., Kamani, K. (eds) Advances in Power Systems and Energy Management. Lecture Notes in Electrical Engineering, vol 436. Springer, Singapore. https://doi.org/10.1007/978-981-10-4394-9_37

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  • DOI: https://doi.org/10.1007/978-981-10-4394-9_37

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  • Online ISBN: 978-981-10-4394-9

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