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A Cuckoo MPPT based SMC Control for Grid tied PV System

Maximum power point techniques (MPPT) are used in photovoltaic system to make full utilization of PV
array output power. The output power of PV array is always changing with weather conditions i.e., solar
irradiation and atmospheric temperature. PV cell generates power by converting sunlight into electricity. The
electric power generated is proportional to solar radiation. PV cell can generate around 0.5 to 0.8 volts.
During cloudy weather due to varying insolation levels the output of PV array varies. The MPPT is a process
which tracks the maximum power from array and by increasing the duty cycle of the DC-DC boost converter,
the output voltage of the system is increased. This paper presents the cuckoo mppt technique for PV system
along with SMC controller methods in grid connected photovoltaic (PV) systems for optimizing the solar energy
efficiency