[RE-wrenches] Sunny Island question

Dave Click daveclick at fsec.ucf.edu
Fri Aug 2 13:52:05 PDT 2013


Allan- SMA tech support confirmed with me yesterday that the 3/4/5 kW TL 
units are compatible with the SMA frequency shifting.

On 2013/8/2 16:34, Allan Sindelar wrote:
> Will the Sunny Island mate up with these Sunny Boys that have the
> limited backup capability during an outage, as they will with standard
> Sunny Boys?
> Thank you, Allan
>
> ------- Original Message --------
> Subject: 	Re: [RE-wrenches] SMA Secure Power Supply
> Date: 	Tue, 23 Jul 2013 23:16:23 -0600
> From: 	Orion Thornton <onsiteenergymt at gmail.com>
> Reply-To: 	RE-wrenches <re-wrenches at lists.re-wrenches.org>
> To: 	'RE-wrenches' <re-wrenches at lists.re-wrenches.org>
>
>
> Hi Carl and All,
>
> This spring we had the opportunity to install a 5000-TLUS inverter for a
> client, as a pre-release version.  The inverter was commissioned on April
> 1st and has produced about 2.7 MWhs thus far.  As mentioned, the secure
> power supply (SPS) requires a dedicated outlet with a switch to control its
> operation.   For this installation we installed the SPS in the mechanical
> room, which is about 50 ft from where the inverter is located.  We chose the
> mechanical room because it is centrally located within the floor plan of the
> home, making it easily accessible to plug in emergency type loads, i.e. cell
> phone chargers, laptops, lamps, etc.. It is also very close to the fridge,
> which we plugged in with a short extension cord and tested its operation in
> the "stand-alone" mode (which is what the inverter display when the grid is
> down and the SPS in activated).  The inverter had no problem powering the
> fridge.  The inverter display showed about 900 watts bypassed from the solar
> array to the SPS when the fridge cycled on....I must say it was a very cool
> feeling seeing this happen.
>
> As far as the inverter itself goes, I only have a few minor complaints.
> Like the old SMA 1800U and 2500U, the conduit knockouts on the bottom of the
> inverter are at a slight angle, which means you must put a slight bend in
> your conduit.  This is obviously a bit annoying and I can only guess it has
> something to do with the plug and play nature of non-U.S. installation
> techniques.  The TLUS inverters are also lacking Bluetooth communication,
> unlike their HFUS counterparts. I think this is a nice feature of the HFUS
> inverters and wish it was integrated into the TL's.
>
> With no real difference in cost compared to traditional grid-direct
> inverters, I see no reason not to specify the TL, especially for someone who
> has a desire for "limited" power supply during a grid outage.   They can
> always add a Sunny Island later on, if a more robust backup system is
> needed.
>
> I hope this helps.
>
> Orion Thornton
> Onsite Energy
> NABCEP Certified Solar PV Installer
>
> -----Original Message-----
> From:re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Jesse Dahl
> Sent: Tuesday, July 23, 2013 4:11 PM
> To:wirewiz at gmail.com; RE-wrenches
> Subject: Re: [RE-wrenches] SMA Secure Power Supply
>
> I know the MREA in WI has one installed on site, but not sure who installed
> it.
>
> Do they have a representative on the list?
>
> Jesse
>
> Sent from my iPhone
>
> On Jul 22, 2013, at 6:18 PM,wirewiz at gmail.com  wrote:
>
>> If we have another long outage here in CT and we seem to have one every
> year now, I don't want to have to explain to my customers why I didn't use
> this inverter.
>
> --
>
> *Allan Sindelar*
> _Allan at positiveenergysolar.com_ <mailto:Allan at positiveenergysolar.com>
> NABCEP Certified PV Installation Professional
> NABCEP Certified Technical Sales Professional
> New Mexico EE98J Journeyman Electrician
> Founder and Chief Technology Officer
> *Positive Energy, Inc.*, a Certified B Corporation^TM
> 3209 Richards Lane
> Santa Fe, New Mexico 87507
> *505 424-1112 office 780-2738 cell*
> _www.positiveenergysolar.com_ <http://www.positiveenergysolar.com/>
>
>
>
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