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Solenoid
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Solenoid logbook, Page 10 of 15
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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
252
Fri Jul 25 21:48:15 2008
Doug Preddy
Quench Recovery
another quench
System was stable and solenoid ramped up at
4:00 today. At about 7:30 it tripped off
again. I came in and restarted the compressor
253
Sat Jul 26 01:06:04 2008
Doug Preddy
Quench Recovery
Refrigerator in series mode
Switched to series mode. Solenoid ~8K, starting
to build liquid.
254
Sat Jul 26 01:29:21 2008
Doug Preddy
Quench Recovery
power leads
ops will monitor liquid level. When it's at
60% they will come down and open the power
lead valve. When the temperature ripples
255
Sat Aug 23 17:02:38 2008
Doug Preddy
Quench Recovery
Solenoid quenched
The solenoid quenched this afternoon at ~12:30.
The compressor shut down. Fault lights were
cold box trip.
Restarted the compressor
256
Sun Aug 24 06:45:14 2008
Doug Preddy
Quench Recovery
switch to series mode
260
Fri Sep 26 09:45:18 2008
Doug Preddy
Quench Recovery
Solenoid quenched at 7:50
Compressor on. Turbines started. Vacuum system
recovering.
261
Fri Sep 26 09:50:18 2008
Doug Preddy
Quench Recovery
started flow in parallel cold return mode
263
Sun Oct 5 18:54:27 2008
Doug Preddy
Quench Recovery
Solenoid Quench ~16:30
Restarted compressor and flow to coldbox by
18:30
267
Wed May 27 08:06:00 2009
Doug Preddy
Quench Recovery
Solenoid quenched at 5:00
The solenoid quenched at 5:00 this morning
due to power lead temps. The temps started
oscillating about 10 minutes before the trip.
268
Wed May 27 13:37:22 2009
Doug Preddy
Quench Recovery
switch to series mode
Switched to series mode at ~11:00. Built
liquid to 55% by 13:30. Started flow to the
power leads.
269
Wed May 27 15:01:34 2009
Doug Preddy
Quench Recovery
power leads
Power leads are cold. There is still a
small ripple. The power supply can be ramped
up as soon as the ripples die out.
270
Fri Jul 10 00:34:03 2009
Doug Preddy
Quench Recovery
solewnoid quench due to power bump
Solenoid quench due to power bump caused
by an airplane crash in Richmond at ~ 22:00.
Compressor off. Water pump off. Restarted
271
Fri Jul 10 01:10:59 2009
Doug Preddy
Quench Recovery
switch to parallel warm return
272
Tue Jul 14 15:28:36 2009
Doug Preddy
Quench Recovery
Solenoid ramped up
The solenoid is cold and I have started
to ramp up the power supply. Some slight
ripples in the power leads, but they are
277
Fri Apr 9 07:34:55 2010
Doug Preddy
Quench Recovery
switched to parallel cold return
Switched to parallel cold return at about
7:30 this morning
279
Mon May 3 07:49:54 2010
Doug Preddy
Quench Recovery
Solenoid quench Saturday
Solenoid quenched at ~13:30 Saturday. Kevin
came in later in the day to recover it. System
was in all around mode, no flow to solenoid.
280
Thu May 13 07:39:55 2010
Doug Preddy
Quench Recovery
solenoid quench last night
Solenoid quenched on power lead temps last
evening. I am recovering it in parallel cold
return mode. C12~60K C1~50K.
281
Thu May 13 14:37:13 2010
Doug Preddy
Quench Recovery
switching to series mode.
283
Mon Jun 7 09:24:47 2010
Doug Preddy
Quench Recovery
started flow to power leads
99
Thu Jun 9 06:53:40 2005
Experimentor
Other
Trip at 6:45 Today.
Solenoid quenched at 6:45. All temperature
monitors were flat until trip.
Hearing compressor stop was first warning.
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