Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread Darryl Thayer
I hope I did not give the wrong impression, my large system I gave the sunlight 
to AC not the inverter efficiency, I have access in the data to the module 
output to AC and it is very good, I do not remember the numbers, but close to 
90%  the low performance of my system is the measured underperformance of the 
modules with some module failures.  I can not say why some modules have failed, 
but the outback equipemnt has not.  I have 12 inverters GVFX 3648  on one 
system, and very little maintence.  The syetem will run without batteries.  I 
was checking battery condition and shut off the batteries and it ran for a 
month. before I checked and turned the batteries back on.    

 


 From: Wayne Irwin 
To: Wrenches  
Sent: Tuesday, December 20, 2011 7:44 PM
Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie
 

 
We have found that most of our batt systems are running at around 85% sell back.

Wayne Irwin, EE
Director of Engineering
Pure Energy Solar International Inc. 
State Licensed Solar Contractor
License # CVC56695 
wa...@pureenergysolar.com 
http://pureenergysolar.net/ 
352 377-6527 Office
352 336-3299 
Fax


The
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Date: Tue, 20 Dec 2011 17:41:04 -0800
From: toddc...@finestplanet.com
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie

that's a nice conservative estimate for input STC kWh to sold kWh jeremy 
  
as far as charge controller kWh to sold kWh, my OB 3648 runs in the ~87% range 
  
todd 
  
  
  
  
  
On Tuesday, December 20, 2011 3:00pm, "All Solar, Inc."  
said:

 
 
Wrenches, 
I am looking for advice and or comments on system  performance from a Grid Tied 
battery back up system. 
Is 65% efficiency fair as far as what goes back to  the grid? 
Is PV watts a good tool for that.  
Commnets are welcome!  
Jeremy   
All Solar Inc.
Jeremy and Amy Rodriguez
1463  M St
Penrose, CO 81240
www.asolarelectric.com
Phone  719-372-3808
Fax 719-372-3804
Email allso...@scswifi.net
Email allso...@live.com 


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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread Wayne Irwin

85% STC.

Wayne Irwin, EE
Director of Engineering

Pure Energy Solar International Inc. 
State Licensed Solar Contractor

License # CVC56695 

wa...@pureenergysolar.com
 

http://pureenergysolar.com
 

352 377-6527 Office
352 336-3299 
Fax
352 316-1637 Cell
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Date: Tue, 20 Dec 2011 17:52:02 -0800
From: toddc...@finestplanet.com
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie

85% of STC kWh or PTC kWh?
 
todd
 
 
 
On Tuesday, December 20, 2011 5:44pm, "Wayne Irwin"  
said:




We have found that most of our batt systems are running at around 85% sell back.

Wayne Irwin, EE
Director of Engineering
 Pure Energy Solar International Inc. 
 State Licensed Solar Contractor
 License # CVC56695 
wa...@pureenergysolar.com 
http://pureenergysolar.com 
352 377-6527 Office
352 336-3299  Fax
 

The content of this message is Pure Energy Solar Confidential. If you are  not 
the intended recipient and have received this message in error, any use or  
distribution is prohibited. Please notify me immediately by reply e-mail and 
delete this message from your computer system. Thank you.





Date: Tue, 20 Dec 2011 17:41:04 -0800
From: toddc...@finestplanet.com
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie


that's a nice conservative estimate for input STC kWh to sold kWh jeremy
 
as far as charge controller kWh to sold kWh, my OB 3648 runs in the ~87% range
 
todd
 
 
 
 
 
On Tuesday, December 20, 2011 3:00pm, "All Solar, Inc."  
said:




Wrenches,
I am looking for advice and or comments on system  performance from a Grid Tied 
battery back up system.
Is 65% efficiency fair as far as what goes back to  the grid?
Is PV watts a good tool for that.
 
Commnets are welcome!
 
Jeremy
All Solar Inc.
Jeremy and Amy Rodriguez
1463  M St
Penrose, CO 81240
www.asolarelectric.com
Phone  719-372-3808
Fax 719-372-3804
Email allso...@scswifi.net
Email allso...@live.com




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Re: [RE-wrenches] a PV titan is to be no more

2011-12-20 Thread Marco Mangelsdorf
Speculation on your part or do you have actual confirmation on this subject?

 

Marco,

 

With "BP" on the module, it means a lot more than some no name brand. Just
because they are not producing anymore does not have any impact on their
warranty obligation unless BP goes out of business-that is not likely to
happen in your lifetime.

 

Bill.

 

From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Tuesday, December 20, 2011 6:38 PM
To: 'RE-wrenches'
Subject: [RE-wrenches] a PV titan is to be no more

 

http://www.bloomberg.com/news/2011-12-20/bp-to-shut-down-solar-power-unit-ex
it-business-spokesman-says.html?cmpid=yhoo

 

Anyone know what this means for the warranty coverage for all those BPS mods
in the field?

 

Oh dear..

 

marco

 

 

 

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Re: [RE-wrenches] a PV titan is to be no more

2011-12-20 Thread Bill Brooks
Marco,

 

With "BP" on the module, it means a lot more than some no name brand. Just
because they are not producing anymore does not have any impact on their
warranty obligation unless BP goes out of business-that is not likely to
happen in your lifetime.

 

Bill.

 

From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Marco
Mangelsdorf
Sent: Tuesday, December 20, 2011 6:38 PM
To: 'RE-wrenches'
Subject: [RE-wrenches] a PV titan is to be no more

 

http://www.bloomberg.com/news/2011-12-20/bp-to-shut-down-solar-power-unit-ex
it-business-spokesman-says.html?cmpid=yhoo

 

Anyone know what this means for the warranty coverage for all those BPS mods
in the field?

 

Oh dear..

 

marco

 

 

 

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[RE-wrenches] a PV titan is to be no more

2011-12-20 Thread Marco Mangelsdorf
http://www.bloomberg.com/news/2011-12-20/bp-to-shut-down-solar-power-unit-ex
it-business-spokesman-says.html?cmpid=yhoo

 

Anyone know what this means for the warranty coverage for all those BPS mods
in the field?

 

Oh dear..

 

marco

 

 

 

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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread allsolar
1766 ah vs. 17.6 kw pv
I added pv amps + Radian charger amps x 5 per Radian manual
Jeremy
Sent via BlackBerry. Sorry for typos and shorthand!

-Original Message-
From: "maver...@mavericksolar.com" 
Sender: re-wrenches-boun...@lists.re-wrenches.orgDate: Tue, 20 Dec 2011 
19:56:33 
To: RE-wrenches
Reply-To: RE-wrenches 
Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie

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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread maver...@mavericksolar.com
What is the battery size versus kw of PV?


Thank you,

Maverick


Maverick Brown
BSEET, NABCEP Certified Solar PV Installer ®
President & CEO
Maverick Solar Enterprises, Inc.
Office: 512-919-4493
Cell:512-460-9825

Sent from my HondaJet!

On Dec 20, 2011, at 7:44 PM, Wayne Irwin  wrote:

> We have found that most of our batt systems are running at around 85% sell 
> back.
> 
> Wayne Irwin, EE
> Director of Engineering
> Pure Energy Solar International Inc. 
> State Licensed Solar Contractor
> License # CVC56695 
> wa...@pureenergysolar.com 
> http://pureenergysolar.com 
> 352 377-6527 Office
> 352 336-3299 Fax
> 
> The content of this message is Pure Energy Solar Confidential. If you are not 
> the intended recipient and have received this message in error, any use or 
> distribution is prohibited. Please notify me immediately by reply e-mail and 
> delete this message from your computer system. Thank you.
> 
> 
> 
> Date: Tue, 20 Dec 2011 17:41:04 -0800
> From: toddc...@finestplanet.com
> To: re-wrenches@lists.re-wrenches.org
> Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie
> 
> that's a nice conservative estimate for input STC kWh to sold kWh jeremy
> 
>  
> 
> as far as charge controller kWh to sold kWh, my OB 3648 runs in the ~87% range
> 
>  
> 
> todd
> 
>  
> 
>  
> 
>  
> 
>  
> 
>  
> 
> On Tuesday, December 20, 2011 3:00pm, "All Solar, Inc." 
>  said:
> 
> 
> Wrenches,
> I am looking for advice and or comments on system performance from a Grid 
> Tied battery back up system.
> Is 65% efficiency fair as far as what goes back to the grid?
> Is PV watts a good tool for that.
> Commnets are welcome!
> Jeremy
> All Solar Inc.
> Jeremy and Amy Rodriguez
> 1463 M St
> Penrose, CO 81240
> www.asolarelectric.com
> Phone 719-372-3808
> Fax 719-372-3804
> Email allso...@scswifi.net
> Email allso...@live.com
> 
> 
> 
> Sent from Finest Planet WebMail.
> 
> ___ List sponsored by Home Power 
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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread toddcory

85% of STC kWh or PTC kWh?
 
todd
 
 
 
On Tuesday, December 20, 2011 5:44pm, "Wayne Irwin"  
said:



Wrenches,
I am looking for advice and or comments on system  performance from a Grid Tied 
battery back up system.
Is 65% efficiency fair as far as what goes back to  the grid?
Is PV watts a good tool for that.
 
Commnets are welcome!
 
Jeremy
All Solar Inc.
Jeremy and Amy Rodriguez
1463  M St
Penrose, CO 81240
[http://www.asolarelectric.com] www.asolarelectric.com
Phone  719-372-3808
Fax 719-372-3804
Email [mailto:allso...@scswifi.net] allso...@scswifi.net
Email [mailto:allso...@live.com] allso...@live.com


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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread Wayne Irwin

We have found that most of our batt systems are running at around 85% sell back.

Wayne Irwin, EE
Director of Engineering

Pure Energy Solar International Inc. 
State Licensed Solar Contractor

License # CVC56695 

wa...@pureenergysolar.com
 

http://pureenergysolar.com
 

352 377-6527 Office
352 336-3299 
Fax

The
content of this message is Pure Energy Solar Confidential. If you are 
not the intended
recipient and have received this message in error, any use or 
distribution is
prohibited. Please notify me immediately by reply e-mail and delete this
message from your computer system. Thank you.

Date: Tue, 20 Dec 2011 17:41:04 -0800
From: toddc...@finestplanet.com
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie

that's a nice conservative estimate for input STC kWh to sold kWh jeremy
 
as far as charge controller kWh to sold kWh, my OB 3648 runs in the ~87% range
 
todd
 
 
 
 
 
On Tuesday, December 20, 2011 3:00pm, "All Solar, Inc."  
said:




Wrenches,
I am looking for advice and or comments on system  performance from a Grid Tied 
battery back up system.
Is 65% efficiency fair as far as what goes back to  the grid?
Is PV watts a good tool for that.
 
Commnets are welcome!
 
Jeremy


All Solar Inc.
Jeremy and Amy Rodriguez
1463  M St
Penrose, CO 81240
www.asolarelectric.com
Phone  719-372-3808
Fax 719-372-3804
Email allso...@scswifi.net
Email allso...@live.com



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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread toddcory

that's a nice conservative estimate for input STC kWh to sold kWh jeremy
 
as far as charge controller kWh to sold kWh, my OB 3648 runs in the ~87% range
 
todd
 
 
 
 
 
On Tuesday, December 20, 2011 3:00pm, "All Solar, Inc."  
said:



Wrenches,
I am looking for advice and or comments on system  performance from a Grid Tied 
battery back up system.
Is 65% efficiency fair as far as what goes back to  the grid?
Is PV watts a good tool for that.
 
Commnets are welcome!
 
Jeremy


All Solar Inc.
Jeremy and Amy Rodriguez
1463  M St
Penrose, CO 81240
[http://www.asolarelectric.com] www.asolarelectric.com
Phone  719-372-3808
Fax 719-372-3804
Email [mailto:allso...@scswifi.net] allso...@scswifi.net
Email [mailto:allso...@live.com] allso...@live.com


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Re: [RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread Darryl Thayer
I think that outback did some research on their system and they had about 2 to 
4% less power than a SMA system  I feel the reason for Bimodal is far more than 
2 to 4%
My 40 kW outback system has solar pyrometer and I have a method of comparing 
solar radiation to AC grid,  I also hve a method to look at intermediate steps, 
my anlaysis is that the modules are performing below, rating and I have had 
some module failures, but with 800 modules it is hard to find the bad actors.  
the system was installed in 2002 and 2003 january.  In 2007 I measured the 
solar to AC and got 63%  sorry I have not tracked it since then, other than the 
demand reduction for the facility,  The facility is office 9-5  or 8 to 4 or 
like that,  AC during the summewr is day time only, Every month of the year 
this system reduces demand.  
dt
 


 From: "All Solar, Inc." 
To: 'RE-wrenches'  
Sent: Tuesday, December 20, 2011 5:00 PM
Subject: [RE-wrenches] System Performance | Battery Based Grid Tie
 

  
Wrenches, 
I am looking for advice and or comments on system 
performance from a Grid Tied battery back up system. 
Is 65% efficiency fair as far as what goes back to 
the grid? 
Is PV watts a good tool for that. 
  
Commnets are welcome! 
  
Jeremy 
  
  
All Solar Inc.
Jeremy and Amy Rodriguez
1463 
M St
Penrose, CO 81240
www.asolarelectric.com
Phone 
719-372-3808
Fax 719-372-3804
Email allso...@scswifi.net
Email allso...@live.com 
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[RE-wrenches] System Performance | Battery Based Grid Tie

2011-12-20 Thread All Solar, Inc.
Wrenches,
I am looking for advice and or comments on system performance from a Grid Tied 
battery back up system.
Is 65% efficiency fair as far as what goes back to the grid?
Is PV watts a good tool for that.

Commnets are welcome!

Jeremy


All Solar Inc.
Jeremy and Amy Rodriguez
1463 M St
Penrose, CO 81240
www.asolarelectric.com
Phone 719-372-3808
Fax 719-372-3804
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[RE-wrenches] Speaking of outdoor DC lighting...

2011-12-20 Thread Isaac Opalinsky
Andrew,

I used to work with Frank Patterson from The Lightup Company:
http://thelightupco.com/.  He has a bunch of standard fixtures, but can
also custom build a lighting package.  He's very familiar with the issues
around DC LED lighting, like thermal management and stability.

You will need fuses, both for the battery and the light.

Isaac Opalinsky


On Tue, Dec 20, 2011 at 1:26 PM,
wrote:

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>   1. Speaking of outdoor DC lighting... (Andrew Truitt)
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> --
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> Message: 1
> Date: Mon, 19 Dec 2011 11:47:39 -0700
> From: Andrew Truitt 
> To: RE-wrenches 
> Subject: [RE-wrenches] Speaking of outdoor DC lighting...
> Message-ID:
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> ... I am putting together my first small DC lighting system for my backyard
> shed.  It will consist of:
>
> [1] 180W Schuco module
> [1] Morningstar SunLight charge controller
> [1] Deka AGM 12V, 32Ah battery
> [1] Trimetric meter
>
> And I need to find the right 12V LED flood light(s).  Any suggestions?  The
> purpose will be for winter evening b.b.q's and late-night lawn bowling
> matches in summer.
>
> Any other advice for how to execute this installation?  Does the SunLight
> come with fusing or do I need to protect it externally?
>
>
> Happy holidays to all!
>
>
> Andrew Truitt
> Truitt RE Consulting
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