In this paper, a design of photovoltaic based multilevel inverter using level shift pulse width modulation strategy is presented. Both the fundamental frequency and higher frequency switching are usedin multilevel inverter. Here, two signals are used; one as a reference signal and the other carrier signal. For the pulse width modulation method, the sinusoidal wave is used as a reference signal while the triangular wave is used as a carrier signal in multilevel level inverters (MLI. This paper will primarily discuss the effect of change in level shift of carrier signals on the hybrid PV based MLI and to count harmonics in multilevel PV based inverters, which in turn improves the voltage and minimize the losses significantly. The simulation is carried out on a multilevel cascaded hybrid PV based inverter with level shift strategy to check the voltage and current harmonics using Matlab/Simulink.
Modified PV Based Hybrid Multilevel Inverters using Multicarrier PWM Strategy
05.11.2020
384599 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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