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bloudan avatar image
bloudan asked

Pv voltage exceeds voc when ac charger on

Voltage measured at the pv input to mppt100/50 goes over 93v when internal ac charger is turned on.

Voc is 89.2v

What does it indicate when pv voltage exceeds voc and does it damage the panels.

Easysolar 24/1600.

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klim8skeptic answered ·

Your panels must be colder than 25c.

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bloudan avatar image bloudan commented ·
Regardless of outside temp the voltage still goes to 93. Currently over 25c.
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klim8skeptic avatar image klim8skeptic ♦ bloudan commented ·
Disconnect of and check for with a multimeter.
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bloudan avatar image bloudan klim8skeptic ♦ commented ·
Measurements are done with multimeter
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