A Unified Carrier Based PWM Method In Multilevel Inverters


Vol. 5, No. 2, pp. 142-150, Apr. 2005
10.6113/JPE.2005.5.2.142


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 Abstract

This paper presents a systematic approach to study the carrier based pulse width modulation (PWM) techniques applied to diode-clamped and cascade multilevel inverters by using multi-modulating patterns. This method is based on the description of controllable redundant parameters in the modulating signals. A unified mathematical formulation is presented for carrier based PWM methods, which obtains outputs similar to the corresponding space vector PWM. A full and separate control of the fundamental voltage, vector redundancies and phase redundancies can be obtained in the carrier based PWM. In this paper, the proposed PWM method and corresponding algorithm for generating multi-modulating signals will be formulated and demonstrated by our simulations.


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Cite this article

[IEEE Style]

N. V. Nho and M. J. Youn, "A Unified Carrier Based PWM Method In Multilevel Inverters," Journal of Power Electronics, vol. 5, no. 2, pp. 142-150, 2005. DOI: 10.6113/JPE.2005.5.2.142.

[ACM Style]

Nguyen Van Nho and Myung Joong Youn. 2005. A Unified Carrier Based PWM Method In Multilevel Inverters. Journal of Power Electronics, 5, 2, (2005), 142-150. DOI: 10.6113/JPE.2005.5.2.142.