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EPANET/doc/html/_energy_page.html
Demetrios G. Eliades c16c861789 HTML Users Guide
2019-11-21 16:58:18 +02:00

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<div id="projectname">EPANET
&#160;<span id="projectnumber">2.2.0</span>
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<li class="navelem"><a class="el" href="_files.html">Toolkit Files</a></li><li class="navelem"><a class="el" href="_inp_file.html">Input File</a></li> </ul>
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<div class="title">[ENERGY] </div> </div>
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<div class="textblock"><p><b>Purpose:</b></p>
<p>Defines parameters used to compute pumping energy and cost.</p>
<p><b>Formats:</b></p>
<p><b>&#160;&#160; GLOBAL &#160; PRICE / PATTERN / EFFIC&#160;&#160; </b><em>value</em></p>
<p><b>&#160;&#160; PUMP&#160; </b><em>pumpID</em><b>&#160;&#160; PRICE / PATTERN / EFFIC&#160;&#160;</b><em>value</em></p>
<p><b>&#160;&#160; DEMAND CHARGE&#160;&#160; </b><em>value</em></p>
<p><b>Remarks:</b></p><ol type="1">
<li>First format is used to set global default values of energy price, price pattern, and pumping efficiency for all pumps.</li>
<li>Second format is used to override global defaults for specific pumps.</li>
<li>Parameters are defined as follows:<ul>
<li><b>PRICE</b> = average cost per kW-hour,</li>
<li><b>PATTERN</b> = ID label of time pattern describing how energy price varies with time,</li>
<li><b>EFFIC</b> = either a single percent efficiency for global setting or the ID label of an efficiency curve for a specific pump,</li>
<li><b>DEMAND CHARGE</b> = added cost per maximum kW usage during the simulation period.</li>
</ul>
</li>
<li>The default global pump efficiency is 75% and the default global energy price is 0.</li>
<li>All entries in this section are optional. Items offset by slashes (/) indicate allowable choices.</li>
</ol>
<p><b>Example:</b> </p><div class="fragment"><div class="line">[ENERGY]</div>
<div class="line">GLOBAL PRICE 0.05 ;Sets global energy price</div>
<div class="line">GLOBAL PATTERN PAT1 ;and time-of-day pattern</div>
<div class="line">PUMP 23 PRICE 0.10 ;Overrides price <span class="keywordflow">for</span> Pump 23</div>
<div class="line">PUMP 23 EFFIC E23 ;Assigns effic. curve to Pump 23</div>
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