Hi William,
I think you will find that the state of charge discrepancy will be a
continual problem to contend with in voltage mode. The state of charge
algorithm that the SI uses (and bases all decisions) is complex and not
very Lithium compatible when at the ends of the state of charge spectrum
Hi William,
You will want to make sure that the eVaults are all running that same
firmware and that terminator switches and battery ID #s are set correctly.
High SOC and large incoming current could definitely be the reason why
voltage skyrocketed up.
Best,
Chris
On Sat, Oct 21, 2023 at 9:39 PM
12 kw PV nominal. Low tilt angle and old panels so reality is far less.
5 e-vault 18.5 kWh batteries
4 SI 6048
2 SB 6000 US
System operational for some years with flooded batteries. Just installed
the e-vaults. I reset the system to factory defaults. I am not sure how to
verify the system will pro
What is the array size vs the battery size? Sounds like a big array on
a small battery for the voltage to go that high that fast.
Ray
Remote Solar
On 10/21/2023 5:46 PM, William Miller via RE-wrenches wrote:
Friends:
I’m kinda stuck on a project setting up a SI/SB AC coupled system off
grid
Hi williamCan you tell us which SI/SB you have?JayOn Oct 21, 2023, at 5:49 PM, William Miller via RE-wrenches wrote:Friends:I’m kinda stuck on a project setting up a SI/SB AC coupled system off grid. When the SB inverters ramp up the battery voltage jumps to 69 pretty quickly and the system shuts
Friends:
I’m kinda stuck on a project setting up a SI/SB AC coupled system off grid.
When the SB inverters ramp up the battery voltage jumps to 69 pretty
quickly and the system shuts off.
I checked the mini-grid frequency and it does ramp up to about 62+ but
apparently not soon enough to curtail
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