SIMULATION OF SINGLE PHASE TRANSFORMER-LESS FIVE-LEVEL INVERTER FOR PV APPLICATIONS

Authors:

Shaik Gouse Basha,M. Venkatesan,

DOI NO:

https://doi.org/10.26782/jmcms.2019.12.00040

Keywords:

PV Module,Boost DC-DC Converter,Sinusoidal PWM,five-level inverter.,

Abstract

The transformer-less single-phase five-level Photovoltaic (PV) inverter is presenting in this paper. The Photovoltaic (PV) module is connecting to the proposed topology with different values of irradiation and temperature. The modelling of the PV cell is also representing in this research activity. The output voltage of the PV is stepped up by using DC-DC Boost converterfurther operation of the topology. The sinusoidal PWM control technique is proposed for this topology. Two reference sinusoidal signals are comparing by the magnitude of the carrier triangular signal for the generation of PWM pulses to the switches. The operating states of the proposed topology are explaining in detail. With the reduced switch inverter topology, the switching, conduction losses are reducing. This proposed topology will be simulated in MATLAB/SIMULINK to produce the output of five-levelwith the less number of switches.

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