MPPT based (Perturb & Observe) Solar Charge controller:: Paper Work

Maximum power point tracking (MPPT) based solar charger/charge controller plays a vital role in increasing the overall efficiency of solar PV based system. Implementing a MPPT algorithm in charge controller of a solar PV system is necessary because the current-voltage characteristics of solar PV arrays is non-linear where at a particular point the power output is maximum. So to extract the maximum power from the solar PV system, implementation of MPPT algorithm is must. Maximum Power Point tracking can be done in a few different methodology; they are i) Perturb and Observe (P & O) Method,
ii) Incremental Conductance (INC) Method and iii) Constant Voltage Method. In this paper, the details of Perturb & Observe (P & O) method algorithm and designing and implementing of the algorithm in a charge controller of a Solar PV system (applicable for both grid-tie and stand-alone system) has been presented.

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I'm providing the flowchart and block diagram that i've made in the above paper for better and clear view.

Algorithm



Block Diagram

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