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New entries since: Wed Dec 31 16:00:00 1969

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ID Date Author Operational Mode Subject Text   38   Thu Jul 29 09:01:11 2004 Doug Preddy Quench Recovery switched to parallel cold Changed to series mode.      39   Thu Jul 29 13:25:29 2004 Doug Preddy Quench Recovery start flow to power leads        40   Sat Aug 7 22:37:04 2004 Willy Andersson Quench Recovery Compressor tripped off. Got a call at about 10:00 this morning, the whole system had tripped off.  No power bumps or other disturbances. When      41   Sat Aug 7 23:40:47 2004 Willy Andersson Quench Recovery Energizing solenoid 23:39 Powerleads cold, LHe level over 40% and rising. Energizing solenoid  to 500 Amps, ramp rate 60. Checking compressor      47   Thu Sep 2 21:58:34 2004 Willy Andersson Quench Recovery Switch to series cooling Solenoid had tripped on powerlead overtemp at about 09:00 this morning.  Doug recovered the system to // cooling.      48   Fri Sep 3 01:28:43 2004 Doug Preddy Quench Recovery power up started flow to the power leads at 11:30. Cold and stable at 1:00am.  Energized solenoid at 1:30.      78   Tue Nov 23 07:47:00 2004 Doug Preddy Quench Recovery Solenoid quench Nov 21 Solenoid quenched Nov 21 due to alarge power bump. Everything tripped off  including vacuum and water pumps. Cold box      79   Tue Nov 23 09:30:15 2004 Doug Preddy Quench Recovery started flow to solenoid Started flow to solenoid in parallel warm return.      80   Tue Nov 23 11:35:44 2004 Doug Preddy Quench Recovery Another power bump Compressor tripped off again due to a power bump. Meson hall water off, so  vacuum pumps off again.      81   Tue Nov 23 15:10:06 2004 Doug Preddy Quench Recovery switched to parallel cold return mode        84   Wed Nov 24 14:58:42 2004 Doug Preddy Quench Recovery today Came in this morning to find the helium return line to the buffer tank  frosted up. MV51 has been stuck open the      85   Thu Nov 25 07:21:37 2004 Doug Preddy Quench Recovery started power lead flow Curtis switched to series mode last night at 7:00. Startedflow to power leads at 7:00 this morning.      86   Sun Nov 28 10:15:18 2004 Willy Andersson Quench Recovery Powerlead quench ? Got page very early this morning. Couldn't come in til 08:30. System was  in idle running mode and someone had reset      95   Wed Jun 1 23:48:02 2005 Doug Preddy Quench Recovery the first quench I recieved a call from ops at 22:00 tonight that the solenoid had alarmed.  I came in and found a cold box fault, with      96   Thu Jun 2 01:26:30 2005 Doug Preddy Quench Recovery started flow to solenoid See attached file for a screen grab of temps.      97   Thu Jun 2 01:38:25 2005 Doug Preddy Quench Recovery strip tool plot This is a strip tool  plot of the cooldown      98   Thu Jun 2 09:16:40 2005 Doug Preddy Quench Recovery continuing to cool See screen grab      100   Thu Jun 9 08:56:10 2005 Doug Preddy Quench Recovery system back on The compressor was restarted and the solenoid is cooling (sort of) in  parallel cold return.      101   Thu Jun 9 21:41:25 2005 Willy Andersson Quench Recovery Trying to achieve stable cooling. From about 08:00 to 15:00 See Doug's previous entry for quench recovery      103   Tue Jun 14 20:53:19 2005 Doug Preddy Quench Recovery restarted refrigerator after power bump see bitmap for temps/pressures after presurrizing coldbox. Preparing to  start flow to turbines, then will start flow

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