Ah, that one got scrubbed so didn't get it.

Terri Kelley
Network Engineer
254-697-6710 x 1140
Farm to Market Broadband




On Nov 18, 2011, at 3:20 PM, Ryan Spott wrote:

> I have a newer (today!) Schematic attached.
> 
> ryan
> 
> On 11/18/2011 9:03 AM, Bill Prince wrote:
>> Really simple.
>> 
>> All our solar sites are standalone.  Where they are located is too far from 
>> the grid to make it practical in the first place.  So there is no connection 
>> to the grid at all.
>> 
>> That said.  If you also had the grid available, you would want the 
>> connection to the grid to disconnect your solar charger.
> It does not matter if your solar is disconnected or not. Your charge 
> controller will simply not allow current in from the solar when the batteries 
> are full.
> 
> We find this happens when I do mid-winter maintenance. I run the genset while 
> I am there to power my shelter lights/laptop and radio. (I tell you, all I am 
> missing is the beer cooler in the summer!)
> 
> After I leave the batteries are generally topped off and the charge 
> controller simply limits the incoming current from the PV Panels.
> 
> ryan
> 
> 
>> 
>> If you run the equipment directly off the batteries, it would not matter how 
>> they are getting charged.
>> 
>> 
>> bp
>> 
>> 
>> On 11/18/2011 7:43 AM, Terri Kelley wrote:
>>> Basically a two part question I guess. In looking at solar, I want the 
>>> hardware to stay up during the transfer of power from the grid to the 
>>> batteries and back again. I assume that the momentary switch will drop the 
>>> power enough to cause a reboot or the boards to hang up which would mean a 
>>> truck to roll to the tower. I want to avoid that.
>>> 
>>> So those of you who do solar, how do you deal with that switch over?
>>> 
>>> I have talked to a few solar companies and so far they don't have a clue 
>>> other than sizing up the battery bank to operate an APC with the mikrotik 
>>> and other equipment on that. Since the APC draws a whole lot more than all 
>>> the network hardware this really raises the cost.
>>> 
>>> Thanks,
>>> 
>>> Terri Kelley
>>> Network Engineer
>>> Farm to Market Broadband
>>> 
>>> 
>>> 
>>> 
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