A 7-Level Single DC Source Cascaded H-Bridge Multilevel Inverter with a Modified DTC Scheme for Induction Motor-Based Electric Vehicle Propulsion

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A 7-Level Single DC Source Cascaded H-Bridge Multilevel Inverter with a Modified DTC Scheme for Induction Motor-Based Electric Vehicle Propulsion

Khoucha, Farid / Marouani, Khoudir / Benbouzid, Mohamed / Kheloui, Abdelaziz / Mamoune, Abdeslam / Song, Lingyang

This paper presents a new hybrid cascaded H-bridge multilevel inverter motor drive DTC scheme for electric vehicles where each phase of the inverter can be implemented using a single DC source. Traditionally, each phase of the inverter requires n DC source for 2n+1 output voltage levels. In this paper, a scheme is proposed that allows the use of a single DC source as the first DC source which would be available from batteries or fuel cells, with the remaining (n−1) DC sources being capacitors. This scheme can simultaneously maintain the capacitors of DC voltage level and produce a nearly sinusoidal output voltage due to its high number of output levels. In this context, high performances and efficient torque and flux control are obtained, enabling a DTC solution for hybrid multilevel inverter powered induction motor drives intended for electric vehicle propulsion. Simulations and experiments show that the proposed multilevel inverter and control scheme are effective and very attractive for embedded systems such as automotive applications.

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Document information

Title :

A 7-Level Single DC Source Cascaded H-Bridge Multilevel Inverter with a Modified DTC Scheme for Induction Motor-Based Electric Vehicle Propulsion

Contributors:

Khoucha, Farid (author) / Marouani, Khoudir (author) / Benbouzid, Mohamed (author) / Kheloui, Abdelaziz (author) / Mamoune, Abdeslam (author) / Song, Lingyang (author)

Published in:

International Journal of Vehicular Technology ; 2013 ; 1-9

Publication date :

2013

Size :

9 Seiten, 22 Quellen

ISSN :

1687-5702

DOI :

https://doi.org/10.1155/2013/718920

Type of media :

Article (Journal)