[RE-wrenches] Telecomm Power Supply - Some Questions

[Roy Butler]

Hi Mark,

I can address the Prostar question.

The Prostar can share the battery with the AC charging source, no need 
to disconnect it when using that charger.
And as long as the AC charger and solar can keep the battery voltage 
above the LVD threshold, the Prostar load circuit
will continue to power the loads.

The one thing you do not want to do is to connect the AC charger to the 
Prostar PV input. PWM charge controllers
can not manipulate a "stiff" voltage source and that will cause 
switching FET failure.

Roy Butler
Morningstar Technical Support


                 

On 12/18/2024 7:10 PM, Mark Frye via RE-wrenches wrote:
>
> Folks,
>
> I am going to build a stand-alone power supply for some telecom equipment.
>
> I settled on MorningStar ProStar with their EMC-1.
>
> A few questions:
>
> For emergency operation with days of autonomy used up at or near LVD, 
> is it OK to parallel an AC powered battery charger such as IOTA onto 
> the battery? Or do I need to disconnect the charge controller from the 
> battery and load and connect a charger for the battery and a power 
> supply for the load?
>
> Who is a good vendor for a skid mounted outdoor battery box that is a 
> step up from a Knack Box? Or is it really OK to put the AGMS inside 
> the same enclosure as the electronics? If in the same enclosure do I 
> still need some screened louver vents (I would think so).
>
> Thanks,
>
> Mark Frye
>
>
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