A simple digital PWM strategy for multilevel inverters Conference Paper

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Overview

abstract

• A simple digital PWM strategy for application in multilevel inverters is proposed. The control signals and died time for the inverters are obtained by a simple method based on phase shifting. This method shows that is possible to generate many switching patterns as from a single reference, a signal sinusoidal in this case, compared with a high frequency carrier. Useful advantages of using this strategy are employing only one carrier and ease implementation and generating many output PWM signals. This strategy is only valid for inverters that can be considered as an association of 2-level cells. Simulations, analysis and experimental results are included. Besides a cascaded multilevel inverter with modules voltage source was built. © 2004 IEEE.

authors

• Aguayo Alquicira J.
• Cárdenas Galindo Víctor Manuel
• Ramírez S.
• Sanabria C.

publication date

• 2004-01-01

published in

• 2004 1st International Conference on Electrical and Electronics Engineering, ICEEE  Proceedings

Research

keywords

• Computer simulation; Electric potential; Frequencies; Phase shift; Pulse width modulation; Switching; Frequency carriers; Multilevel inverters; Switching patterns; Voltage source; Electric inverters

Additional Document Info

start page

• 634

end page

• 639