[PDF][PDF] A Simplified PWM Technique for Reduced Switch Count Multilevel Inverter
Indonesian Journal of Electrical Engineering and Computer Science, 2018•researchgate.net
Penetration of multilevel inverters (MLI) in to high power and medium voltage application
has been increasing because of its advantages. A conventional two level inverter has high
harmonic distortion which gives poor power quality. Lot of topologies has been developed to
overcome the drawbacks of two level inverter. These topologies include more number of
switching devices which increases the design complexity and cost. The optimum design of
inverter requires less number of switches with better quality in waveform. In this paper, a …
has been increasing because of its advantages. A conventional two level inverter has high
harmonic distortion which gives poor power quality. Lot of topologies has been developed to
overcome the drawbacks of two level inverter. These topologies include more number of
switching devices which increases the design complexity and cost. The optimum design of
inverter requires less number of switches with better quality in waveform. In this paper, a …
Penetration of multilevel inverters (MLI) in to high power and medium voltage application has been increasing because of its advantages. A conventional two level inverter has high harmonic distortion which gives poor power quality. Lot of topologies has been developed to overcome the drawbacks of two level inverter. These topologies include more number of switching devices which increases the design complexity and cost. The optimum design of inverter requires less number of switches with better quality in waveform. In this paper, a symmetrical five level and seven level inverter configuration with simplified pulse width modulation technique is proposed. This proposed inverter requires less switches, less protection circuits along with low cost and size. The analysis of the inverter circuits is done by using Matlab/Simulink software. The synthesized staircase wave form is shown and total harmonic distortion (THD) is also measured.
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