All,
I've just updated the inverter firmware (to version 7.302) in an off-grid
120/240 Volt split phase Sunny Island, generator only system I installed in
2007. It's my understanding the Sunny Islands DO need an external shunt if if
there are any DC loads or charging sources. I don't have any of t
Hi mark,
Yes the radian doesn't have an integral shunt.
All that information is via external shunts ( 1-3 shunts) and the FNDC
Jay
Peltz power.
> On Jan 16, 2016, at 9:34 AM, Mark Frye wrote:
>
> Folks,
>
> I know with both the Radian and the SI you can use an external shunt to
> support t
Hi Mark,
If all battery power flows in and out of Sunny Island(s) then it will keep
track of SOC without a external shunt. I'm not sure how it does it but all
the SOC dependent controls work fine in that scenario. The SOC algorithm
calculation works much better than any other that I've used.
On Ja
Folks,
I know with both the Radian and the SI you can use an external shunt to
support the measurement of KWH and support various SOC controls.
But what happens if you don't use an external shunt?
I am pretty sure that the Radian does not have an internal shunt to
support SOC control.
What
Hi drake,
It all depends on how you set it up.
With the SI it can be a simple hz shift which causes most GT inverters to
reduce power then cut off. Pretty much a on/off type of charging you are
describing.
When used with a SMA GT inverter and connected in the right way, will taper
charge to
Hi Kevin,
Are you talking about the generator charging algorithm or the solar,
AC coupled algorithm.
I read a post on this list claiming that the AC coupled charging of
the SI was just an on / off charge, just on and off like AC coupling
with other brands of inverters. I've also read that it
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