A New Three-phase Seven-Level Symmetrical Inverter with Various PWM Control Strategies

Provided by: International Research Publication House
Topic: Hardware
Format: PDF
In this paper, the authors deal with three-phase reverse voltage multilevel inverter with various PWM control strategies. Compared to conventional diode clamped, flying capacitor and cascaded H-bridge multilevel inverters reverse voltage MLI requires least number of switches. This paper also presents a comparison of PD, APOD, ISPWM and COPWM techniques for the reverse voltage multi-level inverter. The effective analysis has been demonstrated by Matlab/Simulink. The Total Harmonic Distortion (THD) analysis has been done for different modulation indices.

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