 Sat Oct 16 17:13:19 2004, Other, , s
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Tue Oct 12 13:00:08 2004, Curtis Ballard, Start Up, cv142 valve
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Curtis closes and opens slowly at about 11:00 am this morning. Wants to see
if that works better than the sudden on/off switch.
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Tue Oct 12 02:05:31 2004, Experimentor, Start Up, cv142 valve
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after only two hours since last lead cycling, they warm up quickly.
ops cycles the valve, but more quickly this time, off ... 1 sec ... on.
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Mon Oct 11 22:32:11 2004, Experimentor, Start Up, cv142 valve
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temp of leads begins its exponential rise again (caught it at 12K), approx
11 hours after last reset. this time asked operator to shut off valve for
3 seconds, then turn back on.
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Mon Oct 11 11:49:34 2004, Experimentor, Start Up, cv142 valve
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noticed temp rise, which occured only about 5 hours after the
last "reset" .... the time between resets seems to be decreasing, which is
not a good sign.
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Mon Oct 11 03:56:14 2004, Experimentor, Start Up, cv142 valve
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noticed that the lead temp rose to 24K over the past 4 hours. had control
room personnle cycle the cv142 valve. temperature dropped.
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Sun Oct 10 17:36:35 2004, Experimentor, Start Up, power leads
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At 5:30 pm sundat, power lead temp is about 10.6K. script tool still
notworking
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Sat Oct 9 22:50:26 2004, Other, , power leads warmed
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At 10:30 PM Saturday, Donald Arseneau sees power leads at
25K, having gone up for the previous 10 hours. (I didn't
see it earlier because striptool wasn't scrolling). Cycled
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Thu Oct 7 13:33:20 2004, Doug Preddy, Start Up, turned off purifier
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| turned off purifier |
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Wed Oct 6 09:25:54 2004, Doug Preddy, Start Up, switch to series mode
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| switched to series mode |
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Wed Oct 6 07:57:01 2004, Doug Preddy, Start Up, parallel cold return
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Switched to parallel cold return at 4:00 yesterday afternoon.
6:30 this morning started closing cv155 as temps had bottomed out at 24K. |
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Tue Oct 5 07:18:16 2004, Doug Preddy, Start Up, adjust compressor discharge pressure
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| adjusted compressor discharge pressure to 11 Bar |
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Mon Oct 4 09:16:29 2004, Doug Preddy, Start Up, Started turbines
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| Started flow to the turbimes with the solenoid in parallel warm return. |
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Fri Oct 1 11:39:55 2004, Doug Preddy, Maintenance, Loading of compressor not working
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When the compressor was restarted on Monday, the remote load button would
not respond. The compressor was shut off. After two days of searching the
wiring etc. a bad connection was found on DR1 relay (upstairs in the
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Mon Sep 13 13:56:06 2004, Doug Preddy, Shut Down, compressor off
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| compressor off |
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Mon Sep 13 10:55:25 2004, Doug Preddy, Shut Down, Quench and shutdown
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The solenoid quenched on powerlead temps this morning at 10:00. It is
warming up and the power leads are >200K.Isolating and purging the coldbox
is not very useful now, so I am shutting the system down. |
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Fri Sep 3 01:28:43 2004, Doug Preddy, Quench Recovery, power up
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started flow to the power leads at 11:30. Cold and stable at 1:00am.
Energized solenoid at 1:30. |
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Thu Sep 2 21:58:34 2004, Willy Andersson, Quench Recovery, Switch to series cooling
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Solenoid had tripped on powerlead overtemp at about 09:00 this morning.
Doug recovered the system to // cooling. I switched system to series
cooling at about 21:30. LHe level at about 10%. Buffer tank pressure is low
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Sun Aug 29 14:39:19 2004, Doug Preddy, Normal Running, Power lead ripple
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The LHe in and PL-neg temps have been building up a ripple over the last
few days. Curtis cycled HIC142 Friday evening at about 5:00. I just had
the Main control room operator (Peter) cycle them again. The ripples died
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Wed Aug 25 12:52:53 2004, Doug Preddy, Normal Running, power lead ripple
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Lhe ripple has started. 10.9-11.4K PL-Pos also has a smaller ripple. Both
flows down to 230mm. Cycled HIC 142 and the ripple disappeared.
Put TIC121 into auto mode. |