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In this paper, the dynamic performance of BLDC motor fed with SPV array using MPPT algorithm such as Perturb & Observe and Incremental Conductance methods are analysed. The PV array is subjected to varying conditions of temperature and irradiance during its working. The output of SPV array is fed to BLDC motor through DC-DC boost converter to produce maximum output using MPPT algorithms. The dynamic variation of irradiance and temperatures were imposed on to the PV array which produces dynamic variations in the output produced by PV array. This variation in PV output is imposed on to the BLDC motor drive through DC-DC converter, which affects its dynamic performance and hence the life of the motor. This analysis has been done using MATLAB/Simulink 2018b software and waveforms were plotted.
Booming demand of energy continues to put effort for search of new and sustain energy sources. This is full filled by renewable sources of energy, among which Solar has came to be most promise and eminent one. Due to its various advantages such as non-polluting, noise-less operation, low maintenance, free input running cost and longer life makes it a preferable for selection as generating plant . As a stand-alone photovoltaic (PV) systems the main applications are such as domestic and street lighting, water pumping, military and commercial electric vehicles and space applications  and the grid-tied configurations are implemented in power plants and hybrid systems . Generally, the SPV generation systems having two main issues: the low conversion efficiency in electrical power generation plants (is due to low irradiances level), and the discontinuous electrical power generation due to changing weather conditions by solar arrays. Despite of severe problems the researchers and industrialists are giving broad attention to SPV system because of drastic reduction in cost of SPV panel and power electronics devices that are used as power conditioners in SPV system.
It can be concluded from the above results that the I.C. based MPPT algorithm has produced better dynamic performance in the case of solar PV fed BLDC motor drive than that of P&O algorithm. The BLDC motor drive performance can be much enhanced by implementing a proper commutation and torque control methodology. The same analysis can also be done in the case of other DC-DC converters available.
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