Hi, I have 3 x 100/50 MPPT connected to CCGX via VE.Direct (1 x USB-Ve.Direct interface)
AC1 in is ignored via general flag controlled by load and SOC conditions.
DVCC Enabled.
CCGX displays the 3 x MPPT's but the PV load is not shared equally by the MPPT's.
Also Bulk / Absorption / Float is not synchronised ?
Any pointers would be most welcome.
Quattro 12/5000/220-2-75
3 x 100/50 MPPT
BMV-702
CCGX
Regards
Chris
Mppt’s will never have equal use, the system does not load balance symmetrically.
You dont have Can managed batteries, their behaviour is expected.
See here. Each mppt will control itself. So if there is no need to produce they wont.
I have 5 controllers and they used to be connected VE Direct (USB hub) to Venus GX but never sync'd Bulk, Absorp or Float. Then I realised the 4 bigger MPPT all have VE Can ports soon as I switched they now all sync together. The one thing they don't do however is load balance when in Absorp/ Float mode, I quite often see the 150/85 (Master) working flat out whilst the 450/100 (Slaves) are supplying 0A. They do step up and produce when the loads go high but it is annoying to constantly see one controller doing all the work. I believe it would be easy to implement a balancing profile of some sort using the controllers internal temp sensors which they all have for derating purposes but despite suggesting this in previous posts the idea got no traction.
