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Please use this identifier to cite or link to this item: http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/12602

Title: Comprehensive study on space-vector-PWM and carrier-based-PWM correlation in multilevel invertors
Authors: Nho N.V.
Youn M.-J.
Keywords: 
Issue Date: 2006
Publisher: IEE Proceedings: Electric Power Applications
Citation: Volume 153, Issue 1, Page 149-158
Abstract: The paper presents a theoretical analysis of the correlation between carrier-based unipolar PWM (CPWM) and space-vector PWM (SVPWM) for the entire modulation-index range of multilevel invertors, including overmodulation. By presenting corresponding parameters of vector redundancies in a zero-sequence function, the carrier-based PWM has matched the SVPWM technique. Carrier-SVPWM and discontinuous-PWM methods capable of obtaining any approximate optimum offset are proposed. Among them, the minimum-common-mode PWM methods can attain a proper balancing of switching loss. A unified unipolar carrier PWM modulator is presented. Different PWM modes and the offset value can be controlled in an offset generator. Without a look-up table, linear overmodulation can be implemented simply in an active signal generator. The correlations and proposed PWM methods have been analysed mathematically and demonstrated by simulations.
URI: http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/12602
ISSN: 13502352
Appears in Collections:Articles of Universities of Vietnam from Scopus

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