Shunt Regulator for Solar Cells

Posted on Apr 5, 2012

One application is where you need a Higher Power Zener, Possibly even a 100 watt rating. Another useful application is as a Shunt Regulator for Solar Cells that are used to charge `Lead Acid Batteries`. Simply Place it in parallel with the Solar Cell and use Diode De-coupling between it and the battery.

Shunt Regulator for Solar Cells
Click here to download the full size of the above Circuit.

A 13 volt Zener diode will work well for charging a 12 volt battery on Standby use. Or use a 14 volt zener a diode for a Standard 14.6 volt charge. The Output voltage of this Amplified Zener is the "Zener Voltage" PLUS the "Emitter to Ba

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