Outback Inverters - Master / Slaving [RE-wrenches]

Todd Cory, Mt. Shasta Energy Services toddcory at finestplanet.com
Wed Apr 14 05:58:35 PDT 2004


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Can Christopher please let list members know where to send their mates to be
upgraded for use with grid tied versions of the VFX inverter?

Thanks,

Todd




Matt Tritt wrote:

> It should be a great relief to Christopher that our errant quad stack is
> up and running at last. The repairs all worked as hoped thanks to the
> quick response and shipment of replacement parts, not to mention all the
> direction from John and Greg.
>
> There are two minor things that came to light (ha ha): When the
> generator powers down, there is a very noticeable transfer time (with
> flickering) before the inverters take over. This was what was happening
> when the inverter failed to begin with so we were a bit nervous during
> testing. The other thing has to do with the MX 60 apparently being
> involved with some comm. error messages and other problems with some
> programming of the inverters. All problems vanished when we disconnected
> the controller from the hub. Therefore, we are leaving it disconnected
> since the two displays (Mate and MS60) are adjacent anyway. We also
> noted that the MS60 works fine with the hub and Mate when the inverters
> aren't connected to the hub.
>
> I'm glad (in a masochistic way) that we had this weird stuff happen
> where and when it did since we now know the system inside and out and
> have memorized the programming quite well. This is good since I have an
> 8-stack on the horizon and also want to use pairs of 3648's for our
> off-grid (and maybe grid-connected) 6 kW Eoltec windturbines (and the
> Bornay 3 kW units).
>
> Many thanks to Outback again for all their help! I feel that any wrench
> should feel comfortable in working with their equipment and their
> technical service.
>
> Matt T
>
> -----Original Message-----
> From: Christopher Freitas --- OutBack Power
> [mailto:cfreitas at outbackpower.com]
> Sent: Tuesday, April 13, 2004 11:41 AM
> To: RE-wrenches at topica.com
> Subject: RE: Outback Inverters - Master / Slaving [RE-wrenches]
>
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>
> I forgot to comment on this section of Gary's posting:
>
> Windstream Solar-Gary wrote:
> > I'm attracted to the technology in this product, but am concerned
> > about
> > what would happen if one of the inverters in this quad stack goes
> down.
> > Yes, it's nice to watch the HUB10 scanning away--but what if something
>
> > in this complex integrated system gets sick? How about some procedures
>
> > (that my clients can understand) to run a minimal system on 1 inverter
>
> > if the hub goes down, or on 2-3 inverters if one or two go down or one
>
> > quits? And what if it's the Master? What-if's and clear documentation
> > matter so much when the lights go out...
>
> The design of the OutBack FX inverter stacking "network" is designed to
> allow for as much fault tolerance as possible - for example a slave
> inverter can be shutdown, removed and restarted while the system is
> running loads without any problems occurring...  This is one of the
> reasons that there was a significant delay in getting the HUB on the
> market - we had found a flaw in the approach which allowed a failed unit
>
> to shutdown the system (which we corrected in the final design).  The
> inclusion of the X-240 also makes the system more fault tolerant as
> well.
>
> The HUB itself has two different communication paths - the one used for
> stacking is independant of the MATE's communication - so an electrical
> failure of the MATE/HUB is not likely to cause a failure of the stacking
>
> system.  The work the MATE does simply improves the operation of the
> stacked system - so a stacked system works without the MATE - just not
> as well under some specific conditions (such as charging).
>
> Failure of a MASTER FX inverter will shut down the system - but
> remastering the stacked system is pretty straight forward - I have
> talked one customer through doing it already (the problem ended up being
>
> a damaged CAT5 cable, BTW) and I advise, for now, telling the customer
> to call us directly.  We will be coming out with more documentation
> (Robin is really on my a** now to get it done - Thanks!) so keep
> posted...
>
> Christopher Freitas
> OutBack Power Systems, Inc.
> cfreitas @ outbackpower.com
> www.outbackpower.com
> Arlington WA USA
> Tel 360 435 6030
>
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--
Todd Cory
KE6SXS
toddcory at finestplanet.com
Mt. Shasta Energy Services
License C-10 # 811428
P.O. Box 689
Mt. Shasta, CA. 96067
(530) 926-1079
~~~~~~~~

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Bounces like rubber! Shatters like ceramic! Discover Crazy 
Aaron's Thinking Putty in grown up handfuls. It's the 
creativity unleashing, mood enhancing desk toy!
http://click.topica.com/caab7pJbz8Qcsbz9JC9f/ Crazy Aaron Enterprises
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