Application of THDM switching strategy on line voltage THD of Multilevel inverters

Cascade Multilevel Inverter (CMI) is widely used in family of Multilevel inverters. THD Minimization (THDM) switching strategy is a well-known strategy which is applied to reduce amount of whole voltage harmonics. Two methods based on Approximate and Integrating methods have been proposed in literat...

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Bibliographic Details
Main Authors: Ebrahimi, A., Farokhnia, N., Fathi, S. H., Yousefpoor, N.
Format: Conference Proceeding
Language:English
Subjects:
Line Voltage THD
Multilevel Inverter
THD Minimization (THDM) strategy
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Summary:Cascade Multilevel Inverter (CMI) is widely used in family of Multilevel inverters. THD Minimization (THDM) switching strategy is a well-known strategy which is applied to reduce amount of whole voltage harmonics. Two methods based on Approximate and Integrating methods have been proposed in literature to calculate line voltage THD of multilevel inverter with stepped waveform. In this paper, THDM strategy is applied to the both methods for a 5-level inverter with non-equal DC sources as a case study. It is shown that using both methods results in a same condition. Simulation results performed in MATLAB software are offered.
ISSN:2164-7054