[RE-wrenches] Power One Micro inverters

[Roland Shackelford]

Thanks August, appreciate the heads up on wiring cost and potential
communication issues. Sounds like Power One isn't quite as fine tuned as
Enphase yet. I'll compare cost with Solar Edge with maximizers.


Mahalo,

Roland Shackelford
Vice President
NABCEP CERTIFIED INSTALLER
Renewable Energy Services (RES), Inc.
P.O. Box 278
Paauilo, HI 96776
Office:   808-775-0852
Fax:      808-775-9768
Mobile:  *808-938-9239 <http://808-938-9239>*
E-Mail:  roland at renewablenergy.com
www.renewablenergy.com

*Privileged And Confidential Communication.  This electronic transmission,
and any documents attached hereto, (a) are protected by the Electronic
Privacy Act (18 USC ?? 2510-2521), (b) may contain confidential and/or
legally privileged information, and (c) are for the sole use of the
intended recipient named above.  If you have received this electronic
message in error, please notify the sender and delete the electronic
message.  Any disclosure, copying, distribution, or use of the contents of
the information received in error is strictly prohibited.  *


*IRS Circular 230 Notice: Pursuant to the Internal Revenue Service
requirements we inform you that, unless specifically indicated otherwise,
any tax advise contained in this e-mail, including any attachments, is not
intended or written to be used, and cannot be used, by the recipient or any
other person for the purpose of (i) avoiding penalties that may be imposed
under the Internal Revenue Code or (ii) promoting, marketing, or
recommending to another party any tax-related matter addressed herein. *



On Wed, Dec 11, 2013 at 10:12 AM, August Goers <august at luminalt.com> wrote:

> Hi Roland,
>
>
>
> We’ve installed around ten Power-One micro systems with mostly good
> results. All in all, I’d say the installation is very similar to an Enphase
> M215 based system if you are familiar with those. As William mentioned on a
> separate post, the cabling is a bit expensive but otherwise similar to
> Enphase’s trunk cabling. I’m not too thrilled with the termination cap you
> need to use at the end of the trunk cable but it isn’t a big deal. You need
> to run a GEC to these units unlike the new Enphase M250s. The monitoring
> system is different from Enphase’s in a couple of regards. First,  the CDD
> which is the central data logger connects to the micros wirelessly rather
> than over powerline communication. So, you need to make sure that the CDD
> is relatively close to the solar array or you might need to run the
> optional antenna between the CDD and roof. Secondly, you need to plug a
> laptop directly into the CDD while on site to commission the system. The
> system won’t operate until you do so. The interface is a little clunky but
> we’ve had no problem getting our systems online with a couple hours’ work.
>
>
>
> We have had one micro failure – for some reason the micro inverter lost
> communication with the CDD and so we had to replace it under warranty with
> Power-One.
>
>
>
> Good luck! It brings up a good debate about whether power optimizers or
> micros are a better technology. I suppose the most important factors are
> performance and reliability and only time will tell.
>
>
>
> Best,
>
>
>
> August
>
>
>
> Luminalt Energy Corporation
>
>
>
> *From:* re-wrenches-bounces at lists.re-wrenches.org [mailto:
> re-wrenches-bounces at lists.re-wrenches.org] *On Behalf Of *Roland
> Shackelford
> *Sent:* Wednesday, December 11, 2013 11:05 AM
> *To:* re-wrenches at lists.re-wrenches.org
> *Subject:* [RE-wrenches] Power One Micro inverters
>
>
>
> Aloha Wrenches,
>
>
>
> Any experience and recommendations using Power Ones Aurora Micro?
>
>
>
> I am designing a system using Panasonic 240W modules (72-Cell). This is a
> high end home that needs all the power I can fit on its roof. There are
> multiple roof pitches, orientations along with shading. I feel either micro
> inverters or string inverters with maximizers are necessary. Although the
> only space acceptable to mount string inverters would be the attic.
> Therefore Power Ones micro inverter seems to be a good fit. Look forward to
> your insight.
>
>
>
>
> Mahalo,
>
>
>
> Roland Shackelford
>
> Vice President
>
> NABCEP CERTIFIED INSTALLER
>
> Renewable Energy Services (RES), Inc.
>
> P.O. Box 278
>
> Paauilo, HI 96776
>
> Office:   808-775-0852
>
> Fax:      808-775-9768
>
> Mobile:  *808-938-9239 <http://808-938-9239>*
>
> E-Mail:  roland at renewablenergy.com
>
> www.renewablenergy.com
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Change email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> www.members.re-wrenches.org
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20131211/89d506a2/attachment-0004.html>