Special Issue Article Open Access

Multilevel Inverter for Grid-Connected PV SystemEmploying MPPT and PI Controller

Abstract

This paper presents a single phase five level inverter topology for grid connected PV system. A new pulse width modulated (PWM) control scheme was introduced. In this scheme two reference signals identical to each other and a triangular carrier wave was used to generate the switching signals. MPPT algorithm was implemented to catch the maximum power point in the PV array. A proportional-integral control algorithm was also implemented for obtaining high dynamic performance.

Seena M Varghese

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