Journal of Electrical Engineering : Volume 17 / 2017 - Edition : 3

Implementation and chaotic PWM control of Cuk DC-DC Converter based MPPT for solar PV system

Authors:
Dr M.Vaigundamoorthi
Dr R.Ramesh
Dr K.CHANTHIRASEKARAN
Domain:
power electronics
Abstract:
This paper proposes to design PWM with chaotic carrier, is simulated and implemented in terms of their performance in suppressing ripples, increasing converter conversion efficiency and spectral performance in maximum power point tracking (MPPT) circuits (DC-DC converter) of the solar PV system. The nominal duty cycle of the main switch in the Cuk DC-DC converter is adjusted to a value so that the input resistance of the converter is equal to the equivalent output resistance of solar PV module at the MPP. The performance comparison of proposed Chaotic PWM control method has been carried out with conventional PWM based MPP tracking of solar PV system experimentally with a 37-Wp solar PV module
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