diy solar

diy solar

Jumping watts + PV voltage at night

Butla

New Member
Joined
Apr 13, 2022
Messages
1
Hi,

Configuration:
Victron smart solar MPPT 100/30
Victron energy PV 360W

Observes the strange behavior of the regulator, after connecting, for example, an inverter, it jumps from 5W to 150W for a while, then it normalizes, but it has never acted like this before. additional symptoms that I noticed yesterday was the voltage of 12.8V on the panel during the night. the voltage is equal to the battery so it probably has to do with the reverse diode.

(Cable connection seems fine, from pv to regulator: 4mm, from regulator to battery: 8mm, from the battery to inverter: 16mm)

Besides, charging looks normal and seems to work properly. I'm away and I wonder if this state of affairs can damage the panel or the battery?

I will have the opportunity to exchange it only in about 2 months, please let me know if I can still use the system. Thank you and best regards!
 
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