Variable switching period to achieve minimum output current ripple of discontinuous PWM three-phase voltage source inverters

Irham Fadlika; A.N. Afandi; Pekik Argo Dahono

doi:10.1109/ICPERE.2016.7904842

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Variable switching period to achieve minimum output current ripple of discontinuous PWM three-phase voltage source inverters

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Irham Fadlika, A.N. Afandi, Pekik Argo Dahono

2017 3rd IEEE Conference on Power Engineering and Renewable Energy, ICPERE 2016 Conference paper Cited by 0

Abstract

A new method to achieve minimum output current ripple of discontinuous PWM three-phase voltage source inverters is presented in this paper. The proposed method is realized by varying the switching period based on the total current ripple pattern. To show the general applicability of the proposed method, analytical expressions for output current ripple of the inverter as a function of the discontinuous modulation signals are derived. This method provides general expressions to control the current ripple of the inverter without sacrificing the switching losses of the inverter. It is shown that by using this technique, the minimum output current ripple is obtained. Experimental results are included to show the validity of the proposed concept. © 2016 IEEE.

Affiliations

Department of Electrical Engineering, Universitas Negeri Malang, Indonesia; School of Electrical Engineering and Informatics, Institut Teknologi Bandung, Indonesia

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