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Charge a battery with a buck-boost converter from a solar panel
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Siddhat:
Hey Guys,
Working on a project that will be able charge a battery from a buck-boost converter by tracking the Maximum Power Point(MPP) of a solar panel.
I've already made a buck-boost converter and tracked the MPP from the solar panel using the Perturb and Observe Algorithm. The snapshot of the simulation in MATLAB is attached.
But what I'm confused in is, the MPP is being achieved when there is a resistive load at the output of the buck-boost converter. I need to charge two 12V, 7Ah lead-acid batteries in parallel from the buck-boost converter(the resistive load now replaced by the batteries). Can I directly connect the output of the buck-boost converter to the batteries? If not, what should be the in-between electronics be to charge the batteries. Will the MPPT still be achieved when I connect the batteries. And how will the features of a battery charger like overcharge protection, over discharge protection, reverse polarity protection,etc be implemented and designed. I know that I need to have a current control feature. But I do not know how do I do that. And also,in the first place, can two batteries be connected in parallel directly?
Need someone familiar with the topic! Got a lot of confusions!
Thanks.
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