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ofgraf avatar image
ofgraf asked

Effects of Lightening on charge controller

I have an MPPT 75/15 controller. Last night we had an electrical storm with frequent lightening. Each time there was lightening, even though not close, the system would shut off for about a second and then turn back on. The lightening strikes were not nearby, and perhaps cloud to cloud. Why would that happen? The system worked OK between the lightening events and is working OK today.

MPPT ControllersMPPT SmartSolar
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Paul B avatar image
Paul B answered ·

Its more than likely a EMP effect would be my guess

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ofgraf avatar image ofgraf commented ·

I would think that EMP is the best explanation since there was no direct strike near the equipment. I would like to know if other folks have witnessed the same phenomenon. Also, is there any way to protect against these EMP effects?

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