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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Dave,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Where do I read the current at which the dump occurred?<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Mont<o:p></o:p></span></a></p><p class=MsoNormal><span style='mso-bookmark:_MailEndCompose'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></span></p><span style='mso-bookmark:_MailEndCompose'></span><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> kashy@jlab.org [mailto:kashy@jlab.org] <br><b>Sent:</b> Friday, September 15, 2017 11:25 AM<br><b>To:</b> hallb-engineering@jlab.org; stuart@jlab.org; mont@jlab.org; ent@jlab.org; rossi@jlab.org; gomez@jlab.org; rfair@jlab.org; hogan@jlab.org; gyoung@jlab.org<br><b>Subject:</b> [New Logentry] Solenoid "Training Quench" and Recovery<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div id=center><div id=main><h1><span style='font-size:17.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><a href="https://logbooks.jlab.org/entry/3484541">Solenoid "Training Quench" and Recovery</a> <o:p></o:p></span></h1><div><p class=author-datetime1><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif;color:#555555'>Lognumber <a href="https://logbooks.jlab.org/entry/3484541">3484541</a>. Submitted by <a href="https://logbooks.jlab.org/user/kashy">kashy</a> on Fri, 09/15/2017 - 11:23. <o:p></o:p></span></p><table class=MsoNormalTable border=0 cellspacing=3 cellpadding=0><tr><td width="15%" style='width:15.0%;padding:1.2pt 1.2pt 1.2pt 1.2pt'><p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in'><b><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif'>Logbooks: <o:p></o:p></span></b></p></td><td width=340 style='width:.3pt;padding:1.2pt 1.2pt 1.2pt 1.2pt'><p class=MsoNormal style='mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in'><span style='font-size:9.0pt;font-family:"Trebuchet MS",sans-serif'><a href="https://logbooks.jlab.org/book/hbsolenoid">HBSOLENOID</a> <a href="https://logbooks.jlab.org/book/clog">CLOG</a><o:p></o:p></span></p></td></tr></table></div><div><p><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'>We started ramping at 08:30 and at 9:08 the magnet fast dumped. Cryogenic recovery took about 1hr and 50 minutes so total was 2.5 hrs start ramp to ready again<br>We are ramping again.<o:p></o:p></span></p><p><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'>We implemented a manual version of a pressure venting system that is designed to keep from blowing relief valve RV8670 which does not reseat w/o shutting off the helium. This should keep the time to recover lower and allow no intervention recovery as we just did.<br>This also reduces peak load and pressure on warm return and thus have less impact on other magnet lead flows.<br>At 11:05 we started ramp #2 for today<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><img border=0 width=960 height=500 style='width:10.0in;height:5.2083in' id="_x0000_i1025" src="cid:image001.gif@01D32E17.30BB40A0"><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><img border=0 width=960 height=475 style='width:10.0in;height:4.9513in' id="_x0000_i1026" src="cid:image002.gif@01D32E17.30BB40A0"><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#555555'><img border=0 width=960 height=475 style='width:10.0in;height:4.9513in' id="_x0000_i1027" src="cid:image003.gif@01D32E17.30BB40A0"><o:p></o:p></span></p></div></div></div></div></div></body></html>