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<p class="MsoNormal">Brian;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Good find on the TES Adjustment variable, I’d missed that. It doesn’t appear to have any impact on the bills/rates; but does add a good visibility. Will be useful if we move into excel/hand calc’ing the utility rates for the project. This
will either confirm eQuest & complex rates are correct or that something is further wonky…<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The Equipment-Control is ‘-undefined-‘ due to use of Load-Management sequencing the different Equipment-Control options throughout the year.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal" style="background:white"><b><span style="font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase">DARIC ADAIR</span></b><span style="font-size:7.0pt;font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase"> PE,
CEM, BEMP</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#383A35"><br>
Mechanical Engineer, Energy Analyst<br>
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<p class="MsoNormal"><b>From:</b> Brian Fountain <Brian.Fountain@sa-footprint.com>
<br>
<b>Sent:</b> Friday, August 14, 2020 8:12 AM<br>
<b>To:</b> Daric Adair <Daric.Adair@hendersonengineers.com><br>
<b>Cc:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> RE: eQuest/DOE CHW Thermal Storage kW shift<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Good morning Daric,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Firstly, that is a very slick use of excel to generate a heat map. Very cool.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I believe the answer to your question is that there is another variable to be picked up in the hourly report that gives a “negative demand” (I know) related to the reduction caused by the TES.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><img border="0" width="854" height="510" style="width:8.8958in;height:5.3125in" id="Picture_x0020_1" src="cid:image001.png@01D6721C.AC1EF8D0"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Looking at your file, I am also not certain that the equipment control defined is actually linked to the chilled water loop.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><img border="0" width="766" height="582" style="width:7.9791in;height:6.0625in" id="Picture_x0020_2" src="cid:image002.png@01D6721C.AC1EF8D0"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hoping this helps – and very interesting study!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Brian<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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</span></b><b><span style="font-size:10.0pt;line-height:105%;font-family:"Arial",sans-serif;color:#006298">Brian Fountain<br>
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<p class="MsoNormal"><b>From:</b> Equest-users <<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>>
<b>On Behalf Of </b>Daric Adair via Equest-users<br>
<b>Sent:</b> August 13, 2020 6:54 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] eQuest/DOE CHW Thermal Storage kW shift<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">CAUTION: EXTERNAL SENDER
<o:p></o:p></span></p>
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<span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#4B4B4B">Am working on a rather simple Chilled Water (CHW) Thermal Energy Storage (TES) System, but have run into an error where it does not appear that the kW is being shifted properly. Building
in Las Vegas. Single Air-cooled Chiller using Chilled Water Storage to off-set demand charges. Testing the model with and without the TES, shows that the kW and costs are reduced, though maybe not as much as anticipated.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:10.5pt;margin-left:0in;background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#4B4B4B">Digging into the model, the hourly reported kW from EM1-Cooling end-use and the Chiller kW consumption do not align. There is a single chiller; only cooling equipment in the model.
Comparing the two with a HeatMap in the attached excel file shows that the EM1 does not drop off at all when the TES begins to discharge - but that the Chiller demand kW does. The Chiller kW is as expected; EM1 is not. In fact, EM1 with TES is only slightly
less than EM1 without TES. Billing appears to be pegged to the EM1, thus, the cost reduction is not as much as expected. What is odd is that the annual sum of kW's and the daily SUMsubtotals between the EM1 and Chiller kW do align - what?! It is as if EM1
is not representing the kW shift that the Chiller is showing.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:10.5pt;margin-left:0in;background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#4B4B4B">The CHW system does appear to charge, discharge, and track to the building load; so that is performing as expected.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:10.5pt;margin-left:0in;background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#4B4B4B">The Utility rates are the same input and appear to be same on the output size. Equipment Controls and Load Management are different, b/c the non-TES doesnt have TES to charge/discharge.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:10.5pt;margin-left:0in;background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#4B4B4B">So - why is the hourly kW from EM1-Cooling end-use different than the reported hourly kW from the chiller? Have scoured the DOE2 reference books and the Detail Report guide to no avail.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal" style="background:white"><b><span style="font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase">DARIC ADAIR</span></b><span style="font-size:7.0pt;font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase"> PE,
CEM, BEMP</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#383A35"><br>
Mechanical Engineer, Energy Analyst<br>
<br>
</span><span style="color:black"><a href="https://www.hendersonengineers.com/?utm_source=hei&&utm_medium=email&&utm_campaign=hei-shortsignature"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#008C15;text-transform:uppercase">HENDERSON
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