[RE-wrenches] AC Coupling

[Kirk Herander]

I agree totally with your drawings.

On Sat, Oct 28, 2023 at 4:17 PM William Miller via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Friends:
>
>
>
> I am starting to get the impression that there is a diversion on the
> understanding of the definition of AC coupling within the industry.  I
> think this definition needs to be clarified.
>
>
>
> Below is a diagram of what I understand is a DC coupled system (I hope
> these diagrams come through):
>
>
>
>
>
> A battery inverter that receives AC power into an AC input port is *not*
> AC coupled.
>
>
>
> Here is an AC-coupled system:
>
>
>
>
>
> What makes AC-Coupled systems unique are the problems presented by sending
> power *backwards* through a battery inverter.  This is not how battery
> inverters were originally designed to operate.  These systems require
> careful consideration to avoid battery overcharging.
>
>
>
> Do we have consensus on this definition?
>
>
>
> William Miller
>
>
>
> Miller Solar
>
> 17395 Oak Road, Atascadero, CA 93422
>
> 805-438-5600
>
> www.millersolar.com
>
> CA Lic. 773985
>
>
>
>
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-- 

*Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*

*Owner|Principal, VT Solar, LLC*

*Celebrating our 32st Anniversary 1991-2023!!*

dba Vermont Solar Engineering

802.863.1202
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