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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'>Varkie,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'>Relative to the PV panels, you should be able to get this
information from the manufacturer.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'>For example – this is from a Kyocera cut sheet:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><img width=419 height=360 id="Picture_x0020_8"
src="cid:image004.png@01CAA8CE.5B332BD0"></span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#0000B4'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'>The eQUEST help file gives you some guidance for the input values
when you right click and go to item help:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><img width=229 height=358 id="Picture_x0020_11"
src="cid:image003.png@01CAA8CE.58CDC490"></span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#0000B4'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'>I have used this and compared it to RETscreen outputs and found
them to be in the same ballpark. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto'><b><span style='font-family:
"Garamond","serif";color:black'>Vikram Sami,</span></b><span style='color:#0000B4'>
</span><span style='font-family:"Garamond","serif";color:black'>LEED AP</span><span
style='color:#0000B4'> <br>
</span><span style='font-family:"Garamond","serif";color:black'>Direct Phone
404-253-1466 | Direct Fax 404-253-1366</span><span style='color:#0000B4'> <o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-bottom-alt:auto'><b><span
style='font-family:"Garamond","serif";color:maroon'>L</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>ORD</span></b><b><span
style='font-family:"Garamond","serif";color:maroon'>, A</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>ECK</span></b><b><span
style='font-family:"Garamond","serif";color:maroon'> & S</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>ARGENT</span></b><b><span
style='font-family:"Garamond","serif";color:maroon'> A</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>RCHITECTURE</span></b><b><span
style='color:#0000B4'><br>
<br>
</span></b><span style='color:#0000B4'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#0000B4'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Sethi,
Amarpreet<br>
<b>Sent:</b> Monday, February 08, 2010 2:22 PM<br>
<b>To:</b> Varkie C Thomas; bldg-sim@onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] GSHP and PV using eQUEST<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Varkie,</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I have used eQUEST for the GSHP and found that it oversizes the CW
loop where it is working with a very low delta T (2F) and hence had a high pump
energy component. I tried to solve this by undersizing the loop to get a
higher deltaT and at that point got almost 1/4th the pump energy. I dont
know if others have faced this, it would be great to hear about other solutions
to this. </span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>'thanks</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Amarpreet</span><o:p></o:p></p>
<div>
<p class=MsoNormal> <o:p></o:p></p>
</div>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'><br>
Stantec<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:13.0pt;font-family:"Arial Narrow","sans-serif"'><a
href="http://www.stantec.com/"><b><span style='color:#993333;text-decoration:
none'>stantec</span></b><span style='color:#003F6E;text-decoration:none'>.com</span></a>
<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>The
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copied, modified, retransmitted, or used for any purpose except with Stantec's
written authorization. If you are not the intended recipient, please delete all
copies and notify us immediately.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:13.5pt;font-family:Webdings;
color:#008040'>ü</span> <span lang=EN-GB style='font-size:10.0pt;font-family:
"Arial Narrow","sans-serif";color:#008040'>Please consider the environment
before printing this email.</span><o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Varkie C
Thomas<br>
<b>Sent:</b> Monday, February 08, 2010 10:55 AM<br>
<b>To:</b> bldg-sim@onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] GSHP and PV using eQUEST</span><o:p></o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Calibri","sans-serif"'>Are there any sample input files
that show how to use the PV input forms, explain what the input fields mean,
and how the results are calculated? Has the eQUEST PV analysis and
results been checked with other PV programs?<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Calibri","sans-serif"'>Attached are results for a building
that has PV and GSHP. The .inp and .pd2 files are in the
zipped folder. The building model is a simplified layout of the CCGT
building that was awarded LEED Platinum. The questions are in italics (PV in
red and GSHP in blue). The options to look at are 4 and 4a (PV Surface
and Shade Mount) and 5 and 5b (GSHP 200'-8x4 and 100'-2x2). <o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><o:p> </o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>ECO-3</span></b><span
style='font-family:"Calibri","sans-serif"'> shows the electric energy for
lights, equipment, cooling and fans. <o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>ECO-4</span></b><span
style='font-family:"Calibri","sans-serif"'> added PV panels tilted at 30
degrees on the south window shades and on the roof. How did the program
determine the reduction in electric energy?<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>ECO-4a</span></b><span
style='font-family:"Calibri","sans-serif"'> attached the PV panels of the same
area to fixed shade. Why did the electric energy use go up?<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><o:p> </o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>ECO-5</span></b><span
style='font-family:"Calibri","sans-serif"'> added GSHP </span><span
style='font-family:"Arial Unicode MS","sans-serif"'>�</span><span
style='font-family:"Calibri","sans-serif"'> 200</span><span style='font-family:
"Arial Unicode MS","sans-serif"'>�</span><span style='font-family:"Calibri","sans-serif"'>
deep and 8 x 4 configuration. The lights, equipment and cooling load electric
use goes down. The electric use for pumps and fans go up and so also does the
natural gas use for heating. What is the explanation?<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>ECO-5a</span></b><span
style='font-family:"Calibri","sans-serif"'> changed the GSHP to 100</span><span
style='font-family:"Arial Unicode MS","sans-serif"'>�</span><span
style='font-family:"Calibri","sans-serif"'> deep and 2 x 2 configuration. Why
does this smaller system save more energy?<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><o:p> </o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Calibri","sans-serif"'>What are the different types of PV
systems? For this study I entered MC-SI. What do the terms below mean and what
should be their typical or default values (my dumb guesses are shown in
parenthesis)?<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><o:p> </o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>VOLTS-OPEN-CKT</span></b><span
style='font-family:"Calibri","sans-serif"'> (= 110)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>VOLTS/T-OPEN-CKT</span></b><span
style='font-family:"Calibri","sans-serif"'> (= -0.004)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>AMPS-SHORT-CKT</span></b><span
style='font-family:"Calibri","sans-serif"'> (= 10)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>AMPS/T-SHORT-CKT</span></b><span
style='font-family:"Calibri","sans-serif"'> (= -0.001)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>VOLTS-MAX-PWR</span></b><span
style='font-family:"Calibri","sans-serif"'> (= 75)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>AMPS-MAX-PWR</span></b><span
style='font-family:"Calibri","sans-serif"'> (= 5)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>MIN-TRACK-VOLTS</span></b><span
style='font-family:"Calibri","sans-serif"'> (= 0)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><b><span
style='font-family:"Calibri","sans-serif"'>MAX-TRACK-VOLTS</span></b><span
style='font-family:"Calibri","sans-serif"'> (=110)<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><o:p> </o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Calibri","sans-serif"'>The original analysis was with
DOE2.1E which does not have PV analysis. The study assumed that the light
energy corresponds to the solar energy and about 10% of the direct solar energy
was assumed to be converted to 110V electricity.<o:p></o:p></span></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><o:p> </o:p></p>
<p class=MsoNoSpacing style='margin:0in;margin-bottom:.0001pt'><span
style='font-family:"Calibri","sans-serif"'>I have sent this message before and
received no response. Has anyone used the eQUEST program</span><span
style='font-family:"Arial Unicode MS","sans-serif"'>�</span><span
style='font-family:"Calibri","sans-serif"'>s GSHP and PV analysis for energy
code compliance and LEED certification?<o:p></o:p></span></p>
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