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A hybrid multilevel inverter with reduced power electronic components with unipolar trapezoidal pulse width modulation
N. Prabaharan, Z. B. Salam,
Published in IEEE
2017
Volume: 2018-January
   
Pages: 283 - 287
Abstract
In this paper, a hybrid multilevel inverter is proposed with a minimum number of power electronics component for making the quality of output voltage waveform which is utilized for medium/high power application. The proposed multilevel inverter is the combination of a full bridge (H-bridge) and single phase reduced switch multilevel inverter. In this work, the full bridge inverter performs to increase the output voltage level is twice when compared with existing output voltage level. The reduced switch multilevel inverter has the switch and diode combination with separate DC source per basic unit. It can operate at both symmetric and asymmetric sequences, especially in the binary sequence. If the reduced switch multilevel inverter topology operates at the symmetric condition, the proposed topology will generate 11-level output voltage whereas the reduced switch topology operates in a binary sequence, the proposed topology will generate the 15-level output voltage. The % total harmonic distortion for 11-level and 15-level is 10.47% and 8.19%. Selected simulation results are shown in order to verify the operation of the proposed topology at both conditions. © 2017 IEEE.
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JournalData powered by Typeset2017 IEEE Conference on Energy Conversion (CENCON)
PublisherData powered by TypesetIEEE
Open AccessNo