Bedankt voor de reacties.
Goed om te lezen dat de omvormer inderdaad alleen vermogen geeft als alles juist verbonden zit.
Ik had niet verwacht dat de min van beide MPPT’s direct in de omvormer doorverbonden zou zijn, voordat de berekeningen zou zijn gedaan om de MPPT’s juist te laten werken. In dat geval zou het inderdaad niet uitmaken. Ik maak hier uit op dat de MPPT berekeningen alleen via de plus verlopen?
De rede dat ze geen meter hadden, snapte ik. Dat was ook geen probleem, indien ze het later maar kwamen doormeten. Dat had ik ook aangegeven, maar dan moeten ze niet opeens lastig daarover gaan doen. Dat vindt ik dan namelijk wel weer vervelend. Ik ben van mening dat dit gewoon bij de oplevering hoort. Ook zodat ze kunnen controleren of alles juist werkt en de juiste waardes doorgeeft.
De Omvormer is een Solis-1P5K-4G. De panelen zijn JAM6(k)(BK)-60-280/4BB met Vmp 30.97V, dit volgens de stickers achterop de panelen. Ik zal morgen eens kijken of ik beide MPPTs op de omvormer kan uitlezen. Nu is er geen licht meer en doet deze niets

.
Ik zie wel op
http://www.ginlongmonitoring.com loggegevens van de DC input Voltage van DC1 en DC2 gevonden en die geven de waarde aan zoals bijgevoegd. Zeggen mij niets, behalve dat er iets gebeurt….

Ik heb een klein stukje van de data hieronder opgenomen. Zegt dit iets?
Vpv1,Vpv2,Ipv1,Ipv2,Vac1,Vac2,Vac3,Iac1,Iac2,Iac3,Pac,Fac,Temperature(℃),Time(GMT +1),Today's Energy(kWh),Total Energy(kWh)
"278.3","294.9","0.1","0.2","0","0","226","0","0","0.8","84.63975","50.04","27.9","Jan.27 10:54,2018","0","8"
"119","299.3","0.2","0.2","0","0","223.7","0","0","0.7","81.56850000000001","50.02","28.1","Jan.27 10:59,2018","0","8"
"298.8","294.9","0.1","0.2","0","0","222","0","0","0.9","86.6385","49.97","28.2","Jan.27 11:04,2018","0.1","8"
"299.2","297.3","0.2","0.3","0","0","223.7","0","0","1","145.30425","50","28.3","Jan.27 11:09,2018","0.1","8"
"292.9","298.9","0.1","0.2","0","0","223.3","0","0","0.8","86.84325","49.98","28.5","Jan.27 11:14,2018","0.1","8"
"282.8","286.9","0.1","0.2","0","0","228","0","0","0.8","83.51849999999999","50","28.4","Jan.27 11:19,2018","0.1","8"
"301.1","307.1","0.2","0.3","0","0","230","0","0","1","148.54125000000002","50","28.5","Jan.27 11:24,2018","0.1","8"
"303","313","0.3","0.3","0","0","228.3","0","0","1.1","180.17999999999998","50.01","28.5","Jan.27 11:29,2018","0.1","8"
"307","309.1","0.3","0.4","0","0","228","0","0","1.2","210.3465","50","28.8","Jan.27 11:34,2018","0.1","8"