<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span>Thanks but still I am not satisfied regarding part a and d.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>Part a says dimming 30% not down to 30%.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>I simulated <span style="font-weight: bold;">down to 5%</span> , <span style="font-weight: bold;">down to 20% </span>and <span style="font-weight: bold;">30% dimming</span> (DoE 2 default) strategies.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px;
font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>The annual electricity consumption for dimming light down to 5% came the lowest, next 30% dimming followed by down to 20% dimming.</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">In part d i am looking for equations used for modeling different types of lamps.</div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div
style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> On Tuesday, April 15, 2014 4:45 PM, Joe Fleming <joe@thespinnakergroupinc.com> wrote:<br> </font> </div> <div class="y_msg_container"><div id="yiv4303036807"><style>#yiv4303036807 #yiv4303036807 --
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#yiv4303036807 </style><div><div class="yiv4303036807WordSection1"><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;">Forgot to attach images from the help file.</span></div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;">See below.</span></div><div class="yiv4303036807MsoNormal"><img id="yiv4303036807Picture_x0020_1" width="1021" height="489" src="cid:1.2798966148@web121806.mail.ne1.yahoo.com"><span style="font-size:11.0pt;"></span></div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><div class="yiv4303036807MsoNormal"><b><span style="font-size:11.0pt;">Joe Fleming </span></b><span style="font-size:11.0pt;">|<b> </b>PE, LEED AP BD+C, BEMP</span></div><div class="yiv4303036807MsoNormal"><i><span style="font-size:11.0pt;">Commissioning Agent / Energy Modeler </span></i><span
style="font-size:11.0pt;">| </span><b><span style="font-size:11.0pt;">The Spinnaker Group</span></b><i><span style="font-size:11.0pt;"></span></i></div><div class="yiv4303036807MsoNormal"><b><span style="font-size:11.0pt;">561.602.3132 |</span></b><b><span style="font-size:11.0pt;"> </span></b><b><span style="font-size:11.0pt;"><a rel="nofollow" shape="rect" ymailto="mailto:joe@thespinnakergroupinc.com" target="_blank" href="mailto:joe@thespinnakergroupinc.com">joe@thespinnakergroupinc.com</a></span></b><span style="font-size:11.0pt;"> </span></div></div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><div class="yiv4303036807yqt4086871229" id="yiv4303036807yqt93077"><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;"><div class="yiv4303036807MsoNormal"><b><span style="font-size:10.0pt;">From:</span></b><span style="font-size:10.0pt;">
equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Joe Fleming<br clear="none"><b>Sent:</b> Tuesday, April 15, 2014 4:43 PM<br clear="none"><b>To:</b> 'Fakeha Sehar'; equest-users@lists.onebuilding.org<br clear="none"><b>Subject:</b> Re: [Equest-users] Lighting Control</span></div></div></div><div class="yiv4303036807MsoNormal"> </div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;">See pasted excerpt from the equest help manual, below. Hopefully this clears up all 4 questions! </span></div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><h5><span style="font-size:11.0pt;">“</span>LIGHT-CTRL-TYPE1, LIGHT-CTRL-TYPE2</h5><div class="yiv4303036807MsoBodyText">Takes code-words that specify the type of electric lighting control system at LIGHT-REF-POINT1 and LIGHT-REF-POINT2, respectively</div><div
class="yiv4303036807codeword">CONTINUOUS Specifies a dimming control system in which the electric light output and power input decrease continuously and linearly as the daylight illuminance increases. The control action at a daylighting reference point is illustrated in <a rel="nofollow" shape="rect" href="">Figure 19</a> in terms of power input fraction (power input divided by maximum power input), as the daylight illuminance increases, and light output fraction (electric light output divided by maximum electric light output).</div><div class="yiv4303036807codeword"> <a rel="nofollow" shape="rect" href="">Figure 19</a> shows that, as the daylight illuminance increases, the
fractional light output decreases from 1.0 (at zero daylight illuminance and maximum input power) to a value MIN-LIGHT-FRAC at the minimum power fraction, MIN-POWER-FRAC.</div><div class="yiv4303036807codeword"> In the example shown in <a rel="nofollow" shape="rect" href="">Figure 20</a> the lighting set point (LIGHT-SET-POINT1 or 2) is 45fc, MIN-POWER-FRAC is 0.3, and MIN-LIGHT-FRAC is 0.1. We see that at zero daylight illuminance the electric lights are on at full power and the electric illuminance is 50fc. As the daylighting illuminance increases, the electric power and lighting decrease, reaching a power fraction of 0.3 and an electric illuminance of 5fc (50 * (MIN-LIGHT-FRAC)) when the daylight illuminance is 45 fc. Beyond this point, the electric power
and illuminance stay constant as the daylighting illuminance increases.</div><div class="yiv4303036807codeword">CONTINUOUS/OFF Gives a dimming control similar to CONTINUOUS but the lights turn off completely (i.e., the electric light output and power are zero) when the total illuminance (electric illuminance plus daylighting illuminance) exceeds the lighting setpoint. The action is shown in <a rel="nofollow" shape="rect" href="">Figure 21</a>.</div><div class="yiv4303036807codeword">STEPPED Specifies the control system shown in <a rel="nofollow" shape="rect" href="">Figure 22</a>, in which power input and light output vary in discrete, <b>equally spaced </b>steps. The number of steps (excluding zero) is given by LIGHT-CTRL-STEPS.</div><div
class="yiv4303036807codeword">DISCRETE Specifies the control system in which power input and light output vary in discrete, <b>variable spaced </b>steps. The number of steps is given by DISCRETE-POWER1 and its paired DISCRETE- LIGHT 1 for the first control point, and DISCRETE-POWER2 and DISCRETE-LIGHT2 for the second control point.”</div><div class="yiv4303036807codeword" style="margin-left:.5in;"> </div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;">Regards</span></div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><div class="yiv4303036807MsoNormal"><b><span style="font-size:11.0pt;">Joe Fleming </span></b><span style="font-size:11.0pt;">|<b> </b>PE, LEED AP BD+C,
BEMP</span></div><div class="yiv4303036807MsoNormal"><i><span style="font-size:11.0pt;">Commissioning Agent / Energy Modeler </span></i><span style="font-size:11.0pt;">| </span><b><span style="font-size:11.0pt;">The Spinnaker Group</span></b><i><span style="font-size:11.0pt;"></span></i></div><div class="yiv4303036807MsoNormal"><b><span style="font-size:11.0pt;">561.602.3132 |</span></b><b><span style="font-size:11.0pt;"> </span></b><b><span style="font-size:11.0pt;"><a rel="nofollow" shape="rect" ymailto="mailto:joe@thespinnakergroupinc.com" target="_blank" href="mailto:joe@thespinnakergroupinc.com">joe@thespinnakergroupinc.com</a></span></b><span style="font-size:11.0pt;"> </span></div></div><div class="yiv4303036807MsoNormal"><span style="font-size:11.0pt;"> </span></div><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;"><div class="yiv4303036807MsoNormal"><b><span
style="font-size:10.0pt;">From:</span></b><span style="font-size:10.0pt;"> <a rel="nofollow" shape="rect" ymailto="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a rel="nofollow" shape="rect" ymailto="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank" href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Fakeha Sehar<br clear="none"><b>Sent:</b> Tuesday, April 15, 2014 2:07 PM<br clear="none"><b>To:</b> <a rel="nofollow" shape="rect" ymailto="mailto:equest-users@lists.onebuilding.org" target="_blank" href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br clear="none"><b>Subject:</b> [Equest-users] Lighting Control</span></div></div></div><div class="yiv4303036807MsoNormal"> </div></div><div><div
class="yiv4303036807yqt4086871229" id="yiv4303036807yqt05787"><div><div class="yiv4303036807MsoNormal" style="background:white;"><span style="">I wanted to ask about the following</span></div></div><div><div class="yiv4303036807MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv4303036807MsoNormal" style="background:white;"><span style="">a. In eQuest what does <b>dimming 30% light (30% power) </b>lighting control means?</span></div></div><div><div class="yiv4303036807MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv4303036807MsoNormal" style="background:white;"><span style="">b. Other dimming controls like dimming <b>down to</b> 5% light (21% power) has been explained to provide minimum dimming light 0.05 and require minimum power 0.21 but during day time how does the lighting and power requirements vary with this type of control <b>for each light
source</b>? I mean with this control minimum lighting can go up to minimum 5% but in what steps will the dimming be done to eventually reach 5% light (21% power) during day time and then again increase light level when daylight is reducing? </span></div></div><div><div class="yiv4303036807MsoNormal" style="background:white;"><span style=""> </span></div></div><div><div class="yiv4303036807MsoNormal"><span style="">c. Similar question for other types of dimming controls like <b>down to 10% light, down to 20% light etc.</b></span></div></div><div><div class="yiv4303036807MsoNormal"><span style=""> </span></div></div><div><div class="yiv4303036807MsoNormal"><span style="">d. eQuest uses different types of lighting sources like sus. fluorescent etc, there must be some equations for these sources where can they be found?</span></div></div><div><div class="yiv4303036807MsoNormal"><span style=""> </span></div></div><div><div
class="yiv4303036807MsoNormal"><span style="">Regards</span></div></div></div><div><div class="yiv4303036807MsoNormal"><span style=""> </span></div></div></div></div></div></div><br><br></div> </div> </div> </div> </div></body></html>