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Maximum Power Point Tracking (MPPT)


Hamidullah Kandahari , noida international university; Rakesh Kumar, noida international university


Solar Energy, Charge Controller, Arduino, Servomotor and LDR


Maximum Power Point Tracking is electronic tracking - usually digital. The charge controller looks at the output of the panels, and compares it to the battery voltage then figures out what is the best power that the panel can put out to charge the battery. This is just the opposite of the seasonal variation for MPPT controllers. Since panel temperatures are much lower in winter, they put out more power. And winter is usually when you need the most power from your solar panels due to shorter days. But nevertheless, this optimize output by following the sun across the sky for maximum sunlight. These typically give you about a 15% increase in winter and up to a 35% increase in summer. It takes this and converts it to best voltage to get maximum AMPS into the battery. (Remember, it is Amps into the battery that counts). Most modern MPPTs are around 93-97% efficient in the conversion. You typically get a 20 to 45% power gain in winter and 10-15% in summer. Actual gain can vary widely depending weather, temperature, battery state of charge, and other factors.

Other Details

Paper ID: IJSRDV7I30158
Published in: Volume : 7, Issue : 3
Publication Date: 01/06/2019
Page(s): 131-136

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