A Study of Comparative Analysis of Different PWM Techniques

Publication Type:

Conference Paper

Authors:

Dr. K. Deepa; P. A. Kumar; V. S. Krishna; P. N. K. Rao; A. Mounika; D. Medhini

Source:

2017 International Conference On Smart Technologies For Smart Nation (SmartTechCon) (2017)

Keywords:

7-level multilevel inverter, APOD-PWM, carrier-overlap PWM, co-PWM, Comparative analysis, frequency modulation, harmonic distortion, high power applications, high voltage inverter, Inverters, low harmonic distortion, low stress inverter, mathematical model, Multi-level inverter, PD-PWM, phase disposition PWM, phase opposition disposition PWM, phase shifted PWM, POD-PWM, PS-PWM, Pulse width modulation, PWM invertors, PWM techniques, Semiconductor diodes, Switches, switching convertors, THD, Topology, variable frequency PWM, VF-PWM

Abstract:

Multilevel inverter has benefits like low stress on switches, low harmonic distortion and can be used in high voltage and high power applications. In this paper 7 - level Multilevel inverter which has less number of switches is considered with various PWM Techniques. The different PWM techniques considered are Carrier-Overlap PWM(CO-PWM), Variable Frequency PWM(VF-PWM), Phase Shifted PWM(PS-PWM), Alternate Phase Opposition Disposition PWM(APOD-PWM), Phase Disposition PWM(PD-PWM), Phase Opposition Disposition PWM(POD-PWM). The given topology is modeled and simulated with the help of MATLAB/SIMULINK to check which PWM technique leads low THD value.

Cite this Research Publication

Dr. K. Deepa, Kumar, P. A., Krishna, V. S., Rao, P. N. K., Mounika, A., and Medhini, D., “A Study of Comparative Analysis of Different PWM Techniques”, in 2017 International Conference On Smart Technologies For Smart Nation (SmartTechCon), 2017.

 
          
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