Performance Analysis of Multicarrier PWM Strategy for Seven Level Diode clamped Z-Source Inverter
T Sengolrajan, B Shanthi and S p Natarajan. Article: Performance Analysis of Multicarrier PWM Strategy for Seven Level Diode clamped Z-Source Inverter. IJCA Proceedings on International Conference on Innovations In Intelligent Instrumentation, Optimization and Electrical Sciences ICIIIOES(8):15-20, December 2013. Full text available. BibTeX
@article{key:article,
author = {T. Sengolrajan and B. Shanthi and S.p. Natarajan},
title = {Article: Performance Analysis of Multicarrier PWM Strategy for Seven Level Diode clamped Z-Source Inverter},
journal = {IJCA Proceedings on International Conference on Innovations In Intelligent Instrumentation, Optimization and Electrical Sciences},
year = {2013},
volume = {ICIIIOES},
number = {8},
pages = {15-20},
month = {December},
note = {Full text available}
}
Abstract
This paper investigates the performance analysis of various Multicarrier Pulse Width Modulation strategies with Sinusoidal reference for single phase seven level diode clamped Z-source inverter designed with two intermediate Z-source networks connected between the input source and inverter circuit. The diode clamped Z-source based MLI strategy enhances the fundamental output voltage and reduces the Total Harmonic Distortion (THD). Performance factors such as %THD, Vrms where measured and CF, DF of output voltage are calculated for different modulation indices 0. 8-1. The results are compared. The simulation results indicate that the use of Z-Source in DCMLI boost 60% of the total output voltage. PODPWM strategy provides low THD and COPWM strategy is found to perform better since it provides relatively higher fundamental RMS output voltage.
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