[RE-wrenches] SMA String inverters

[Dave Angelini Offgrid Solar]

Hi August,

I was told Tesla has LFP battery now.  True?  Thanks !

Dave Angelini Offgrid Solar
"we go where powerlines don't"
    [3]https://offgridsolar1.com/ [4]  [3]
e-mail  offgridsolar at sti.net
text 209 813 0060

On 2024-01-10 3:25 pm, August Goers via RE-wrenches wrote:

> We're starting to install the Tesla Solar Inverter with good results:
> 
> https://www.tesla.com/support/energy/solar-inverter/tesla-solar-inverter
> 
> It is going to be a tough product for others to compete with - the 
> price point is low and features are high. 4 x MPPTs with low tracking 
> voltage (60 VDC), built in consumption monitoring, one SKU to handle 
> 7.6 kW, 5.7 kW, 5 kW, 3.8 kW AC rating via software programming, built 
> in ethernet/WiFi/cellular and the rapid shutdown can meet the NEC 
> hazard control system requirements meaning that only one Mid-Circuit 
> Interrupter (MCI) is needed for every three modules. All in all, a 
> solid offering with lots of design flexibility. Time will tell how 
> reliable they are.
> 
> Best, August
> 
> On Wed, Jan 10, 2024 at 10:04 AM William Miller via RE-wrenches 
> <re-wrenches at lists.re-wrenches.org> wrote:
> 
>> Jeremy:
>> 
>> We generally avoided using the 41 series inverter for reasons 
>> specified here [1].  If you find a new string inverter in the SMA 
>> lineup, you might want to check to see if they have resolved some of 
>> the shortcomings.
>> 
>> I have not had reason to use string inverters because, other than 
>> Solar Edge, they do not offer intrinsic rapid shutdown.  Careful 
>> reading of the NEC indicates that even ground mount arrays require RSS 
>> unless the PV feeders run to a building with the sole use being to 
>> house solar equipment.  Having said that, I would imagine that if an 
>> inverter were mounted on the ground-mount rack, the requirement for 
>> RSS could be avoided.
>> 
>> William Miller
>> 
>> Miller Solar
>> 
>> 17395 Oak Road, Atascadero, CA 93422
>> 
>> 805-438-5600
>> 
>> www.millersolar.com [2]
>> 
>> CA Lic. 773985
>> 
>> -----Original Message-----
>> From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] 
>> On Behalf Of Jeremy Rodriguez via RE-wrenches
>> Sent: Monday, January 8, 2024 1:44 PM
>> To: re-wrenches at lists.re-wrenches.org
>> Cc: Jeremy Rodriguez
>> Subject: [RE-wrenches] SMA String inverters
>> 
>> What are you wrenches that used to install the SBXXXX-41 units 
>> sourcing now? Looks like there is a new model on their website
>> 
>> Jeremy Rodriguez
>> 
>> Solar Installation / Design
>> 
>> All Solar, Inc.
>> 
>> 1453 M St.
>> 
>> Penrose Colorado 81240
>> 
>> Sent by Jeremy's iPhone. Sorry for typos and shorthand.
>> 
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Links:
------
[1] 
https://millersolar.com/MillerSolar/case_studies/SMA_40_Series/Whats_wrong_with_40_Series.html
[2] http://www.millersolar.com
[3] http://members.sti.net/offgridsolar/
[4] https://offgridsolar1.com/
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