[RE-wrenches] Radian vs SI - Shunt for SOC Control

[Mac Lewis]

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 Jan 16, 2016 1:34 PM, "Mark Frye" <markf at berkeleysolar.com> wrote:

> 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 about with the SI? Does it implement it's SOC controls even without
> an external shunt?
>
> Thanks,
>
> Mark Frye
> Berkeley Solar Electric Systems
>
>
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