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PERFORMANCE EVALUATION OF MAXIMUM POWERPOINT TRACKING (MPPT) MICROCONTROLLER BASED SMART HOME SOLAR ENERGY CHARGER
S.Saminathan, E.Sangaralingam, S.Sankaran, E.Vadavengadam, R.Elangovan

Published in: International Journal of Current Engineering And Scientific Research ( IJCESR)
Volume- 4, Issue-9, pp.8-15, Sep 2017
DPI :-> 16.10046.IJCESR.2017.V4I9.815.1942



Abstract
A charge controller that includes an input interface that receives input DC electrical signals. A converter section converts the input DC electrical signals to output DC electrical signals. Control means is operably coupled to the converter section. The control means includes means for operating the converter section at an estimated maximum power point of the input DC electrical signals. The estimated maximum power point is derived by a novel control scheme that quickly adapts to changing conditions and thus affords optimum energy harvest from the source and improved energy conversion efficiencies. Photovoltaic electricity generation offers the benefits of: clean, non-polluting energy generation, production of energy close to the consumer (in case of DPGS), the very little or no maintenance requirement, and of having a very long lifetime. Due to these advantages, today, the photovoltaic is one of the fastest growing markets in the world. However, PV power is still considered to be expensive, and the cost reduction of PV systems is subject to extensive research. From the point of view of power electronics, this goal can be approached by maximizing the energy output of a given PV array. The inverter should ensure the highest possible conversion efficiency, while the requirement for the MPPT control is to operate the PV array at the optimum working point (MPP) in all environmental conditions. A considerable amount of PV capacity today is installed in temperate climate zones. Although modern PV inverters’ MPPT efficiency is very high in stable conditions, further research is needed to achieve similar performance levels in variable conditions. The primary objective of this project is to build efficient solar charger that will recharge the battery properly with minimum loss with overcoming the voltage variation in solar panel. This charge controller will protect the battery from overcharge and deep discharge. It will maximize the solar generation by MPPT method. The proposed system is to present a novel cost effective and efficient microcontroller based MPPT system for solar photovoltaic system to ensure the maximum power point operation at all changing Environmental condition. The P&O MPPT algorithm is used to control the maximum transfer power from a PV panel. This algorithm is executed by MPPT Controller using LM324

Key-Words / Index Term
charge controller, DC, AC, PWM, MPPT, SHS, MPPT (Maximum power point tracking), PV (Solar photovoltaic), P&O (Perturb and observe), Optocoupler

How to cite this article
S.Saminathan, E.Sangaralingam, S.Sankaran, E.Vadavengadam, R.Elangovan , “PERFORMANCE EVALUATION OF MAXIMUM POWERPOINT TRACKING (MPPT) MICROCONTROLLER BASED SMART HOME SOLAR ENERGY CHARGER”, International Journal of Current Engineering And Scientific Research ( IJCESR), 4, Issue-9, pp.8-15, Sep 2017. DPI:16.10046.IJCESR.V4.I9.1942