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  Solenoid logbook, Page 6 of 15  ELOG logo
ID Date Author Operational Mode Subjectdown Text Attachments
  241   Wed Nov 28 15:07:08 2007 Kevin TrithardtOtherpower lead regenerationPower leads cold again, power supply ramping
up.
  
  176   Tue Oct 31 03:52:29 2006 Doug PreddyQuench Recoverypower lead quench at 2:30 this morningCompressor still on. Starting flow to solenoid   
  175   Thu Oct 26 14:14:57 2006 Doug PreddyQuench Recoverypower lead quenchsolenoid tripped on power lead temp. I was
here and caught it. System 
cooling.
  
  237   Fri Nov 23 08:35:37 2007 Doug PreddyNormal Runningpower lead problemsAbout 10 hours ago the power lead temperatures
started to fluctuate and 
climb.
  
  239   Mon Nov 26 09:45:43 2007 Doug PreddyNormal Runningpower lead problemsPower lead temperatures were rippling yesterday
afternoon. I asked one of 
the operators to cycle CV142.
  
  75   Fri Oct 29 14:25:23 2004 Doug PreddyNormal Runningpower lead flows droppingFlow is down to <190 mm. temps are starting
to climb. Cycled HIC142
  
  76   Mon Nov 1 07:17:44 2004 Doug PreddyNormal Runningpower lead flow gone badpower temps as follows:
LHE_IN 23
PL_POS 36
  
  229   Wed Oct 24 12:04:06 2007 Doug PreddyMaintenancepower lead and cryopump regenerationRegenerating M9B:CP2 as temperature was up
to almost 20k.
Shut off flow to power leads to allow them
  
  251   Thu Jul 24 16:28:50 2008 Doug PreddyQuench Recoverypower bumpThere was a power bump at ~15:00 today. All
mseon hall cooling water went off. Compressor
tripped. Main magnet went off. 
Restarted
  
  54   Wed Oct 6 07:57:01 2004 Doug PreddyStart Upparallel cold returnSwitched to parallel cold return at 4:00 yesterday
afternoon.
6:30 this morning started closing cv155 as
  
  8   Wed Apr 21 06:39:17 2004 Doug PreddyStart Upover nightChanged to parallel cold mode at 9:30.
At about 4:30 the city water chiller was
turned on. The air compressor had 
  
  185   Fri Jan 26 15:10:37 2007 Doug PreddyMaintenancenew control computer installedI have installed a new control computer at
the M9 solenoid control panel
  
  6   Tue Apr 20 07:06:41 2004 Doug PreddyStart Upmorning day 2Temps in solenoid are equalling out. Increasing
PIC229 to 11 bar. 
 april200705.BMP 
  90   Sun Dec 5 11:15:24 2004 Doug PreddyNormal Runningmore ripplesI loked at the power lead temps this morning.
LHe_in 10.4-12.0  PL-Neg 8.0-
9.0  PL-Pos 9.8-10.4. Flows down to 160mm.
  
  153   Wed Aug 9 06:59:43 2006 Willy AnderssonQuench Recoverymore // cold return stuffAbout 21:00 last night the solenoid temps
had not changed much, pretty well 
flat lined. I guess my reducing CV155 stalled
  
  147   Sat Jul 22 06:34:14 2006 ExperimentorQuench Recoverylooking goodDonald Arseneau reporting.

It is looking pretty good, so I came back
  
  66   Sat Oct 16 17:18:50 2004 Other lame    
  244   Wed Apr 16 15:12:01 2008 Doug PreddyNormal Runninggraphs to loadThere are three strip tools saved:
coils
powerlead
startup
  
  226   Fri Oct 5 13:25:41 2007 Doug PreddyQuench Recoveryfunny graph There was a fluctuation of the positive lead
temp with no flow going to 
the power leads.
 Capture.jpg 
  278   Fri Apr 9 16:07:28 2010 Doug PreddyStart Upflow to power leads started    
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