Grid-Tie Inverters with Batteries [RE-wrenches]

Matt Tritt solarone at charter.net
Thu Sep 9 08:55:04 PDT 2004


 

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  Hi Joel,

  Yes. I have a customer that's had this problem since it was installed in
99. Repeated calls to Trace resulted in - surprise - no change!

  Otherwise it has worked fine.

  Matt T
  ----- Original Message ----- 
  From: "Joel Davidson" <joeldavidson at earthlink.net>
  To: <RE-wrenches at topica.com>
  Sent: Thursday, September 09, 2004 8:16 AM
  Subject: Re: Grid-Tie Inverters with Batteries [RE-wrenches]




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  Hello Todd,

  Interesting. I've been intentionally switching off grid power on several
  pre-GTI SW4048s with different types of PCs and have never had a computer
  re-boot from power loss. We have some engineer customers with GTI SW4048
  inverters on the home PV systems who have never had their computers drop
  off. Your report is the first..

  Are other Wrenches experiencing load drop-offs when their SWs in sell mode
  lose grid power?

  Best regards,
  Joel Davidson

  ----- Original Message ----- 
  From: "Todd Cory" <toddcory at finestplanet.com>
  To: <joeldavidson at earthlink.net>
  Sent: Thursday, September 09, 2004 6:38 AM
  Subject: Re: Grid-Tie Inverters with Batteries [RE-wrenches]


  > SW4024 in sell, all the computers we have ever had including an AST and
3
  dells.
  >
  > Todd
  >
  >
  > Joel Davidson wrote:
  >
  > >
  > >
  > > Your free subscription is supported by today's sponsor:
  > > -------------------------------------------------------------------
  > > Amazing Diet Patch
  > > The fastest - Easiest way to lose weight! Try it now FREE!
  > > http://click.topica.com/caacBBBbz8QcsbAfWTra/MyDietPatches
  > > -------------------------------------------------------------------
  > >
  > > Hello Todd,
  > > What model SW?
  > > What SW inverter operation mode?
  > > What model computer?
  > > Best regards,
  > > Joel Davidson
  > > ----- Original Message -----
  > > From: "Todd Cory, Mt. Shasta Energy Services"
  <toddcory at finestplanet.com>
  > > To: <RE-wrenches at topica.com>
  > > Sent: Wednesday, September 08, 2004 6:00 AM
  > > Subject: Re: Grid-Tie Inverters with Batteries [RE-wrenches]
  > >
  > > Your free subscription is supported by today's sponsor:
  > > -------------------------------------------------------------------
  > > Sponsor a child today through Children International.
  > > Give a desperately poor child hope for a brighter future.
  > > For only $18 a month you can make a difference!
  > > http://click.topica.com/caacBBFbz8Qcsbc0WJAa/ChildrenInternational
  > > -------------------------------------------------------------------
  > >
  > > I would NOT consider ANY SW product to be a UPS. The transfer time is
  way
  > > too
  > > slow to be considered for this use. My home system was set up using
this
  > > gear
  > > (until 3 months ago) and my computer always rebooted because of the
slow
  > > switch
  > > over. I am sure the term "UPS" has some parameters regarding speed of
  > > switching,
  > > and I am also sure there is no way the 10+ old SW technology would not
  meet
  > > those criteria.
  > >
  > > Todd
  > >
  > > Joel Davidson wrote:
  > >
  > > > Hello Robert,
  > > >
  > > > Solar Integrated Technologies (SIT) has its computers' server on an
  SW4048
  > > > inverter PV UPS. There was a power outage and the computer server
  worked
  > > > fine. However, the phone system was not on the PV UPS and had to be
  > > > re-booted. Now the phone system is on the PV UPS too.
  > > >
  > > > The Davis, California Food Co-op put a SIT 30 kW batteryless solar
  roof on
  > > > their building. The existing 5 kW rack-mounted array powering the
  SW4048
  > > PV
  > > > UPS is still in place.
  > > >
  > > > Battery versus batteryless is not an either/or proposition. A lot of
  > > > businesses are going solar with batteryless PV systems. It makes
sense
  to
  > > > have a PV UPS too.
  > > >
  > > > Do any other PV businesses have both battery and batteryless PV for
  > > > operations in addition to show-and-tell?
  > > >
  > > > Best regards,
  > > > Joel Davidson
  > >
  > > Your free subscription is supported by today's sponsor:
  > > -------------------------------------------------------------------
  > > Amazing Diet Patch
  > > The fastest - Easiest way to lose weight! Try it now FREE!
  > > http://click.topica.com/caacBBBbz8Qcsbc0WJAf/MyDietPatches
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  > >
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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
  > ~~~~~~~~
  >
  > It's now clear Mr. Bush intends to run a campaign based on fear. And for
  me, at
  > least, it's working: thinking about what these people will do if they
  solidify
  > their grip on power makes me very, very afraid.
  >
  >
  > If you're not outraged, you're not paying attention.
  >
  >

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