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Solenoid
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Solenoid logbook, Page 5 of 15
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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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