| ID |
Date |
Author |
Operational Mode |
Subject |
Text |
 |
|
286
|
Fri Nov 12 16:54:50 2010 |
Doug Preddy | Normal Running | Solenoid ramped up | |
|
|
285
|
Thu Nov 11 15:46:40 2010 |
Doug Preddy | Other | switched to parallel cold return | At 14:45. |
|
|
284
|
Mon Aug 9 14:27:12 2010 |
Doug Preddy | Shut Down | Helium plant shut down | |
|
|
283
|
Mon Jun 7 09:24:47 2010 |
Doug Preddy | Quench Recovery | started flow to power leads | |
|
|
282
|
Tue May 18 15:04:36 2010 |
Kevin Trithardt | Maintenance | Solenoid ramping up | |
|
|
281
|
Thu May 13 14:37:13 2010 |
Doug Preddy | Quench Recovery | switching to series mode. | |
|
|
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. |
|
|
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. |
|
|
278
|
Fri Apr 9 16:07:28 2010 |
Doug Preddy | Start Up | flow to power leads started | |
|
|
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
|
|
|
276
|
Thu Apr 1 11:57:55 2010 |
Doug Preddy | Start Up | started flow to power leads | Solenoid cold. Buffer tank pressure ~3psi,
so Kevin will add a bottle of helium. Started
flow to power leads at 11:45 |
|
|
275
|
Mon Mar 29 09:25:52 2010 |
Kevin Trithardt | Start Up | Started cool down this morning | |
|
|
274
|
Wed Mar 24 08:30:33 2010 |
Doug Preddy | Start Up | Start up | Compressor started yesterday afternoon.
Pumping out solenoid overnight. Cold box
vacuum good. circulating helium to solenoid |
|
|
273
|
Mon Oct 5 11:54:58 2009 |
Doug Preddy | Normal Running | Switched TIC121 into auto mode | |
|
|
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 |
|
|
271
|
Fri Jul 10 01:10:59 2009 |
Doug Preddy | Quench Recovery | switch to parallel warm return | |
|
|
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 |
|
|
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. |
|
|
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. |
|
|
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. |
|
|
266
|
Wed Dec 10 15:44:58 2008 |
Doug Preddy | Maintenance | Repairs to solenoid power supply | Klaus and company pulled the ramp rate card
out of the solenoid power supply. Operational
checks were done and the rate switch was |
|
|
265
|
Wed Dec 10 15:41:04 2008 |
Doug Preddy | Shut Down | shuttting down solenoid | shuttting down solenoid for winter shutdown. |
|
|
264
|
Wed Nov 5 16:33:52 2008 |
Doug Preddy | Normal Running | sbplc light out | On main menu the sbplc light was black. All
vacuum systems looked good, but there was
no control of any device. Jane reset the |
|
|
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 |
|
|
262
|
Sun Oct 5 11:12:48 2008 |
Doug Preddy | Normal Running | M9B:V1 interlocks and a IOC crash | M9A:V1 was removed this shutdown. It's "in"
limit is required to allow M9B:V1 to be opened.
I have bypassed the interlocks on M9B:V1 |
|
|
261
|
Fri Sep 26 09:50:18 2008 |
Doug Preddy | Quench Recovery | started flow in parallel cold return 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. |
|
|
259
|
Fri Sep 26 09:44:25 2008 |
Doug Preddy | Maintenance | Water flow interlock restored | yesterday |
|
|
258
|
Tue Sep 9 15:04:23 2008 |
Doug Preddy | Maintenance | Jumpered interlock for diff pump water flow | Jumpered interlock for diff pump water flow
in Proteus box. |
|
|
257
|
Thu Sep 4 10:02:55 2008 |
Doug Preddy | Normal Running | ramping down solenoid | Solenoid power supply will be turned off for
Fall shutdown. |
|
|
256
|
Sun Aug 24 06:45:14 2008 |
Doug Preddy | Quench Recovery | switch to series mode | |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
251
|
Thu Jul 24 16:28:50 2008 |
Doug Preddy | Quench Recovery | power bump | There was a power bump at ~15:00 today. All
mseon hall cooling water went off. Compressor
tripped. Main magnet went off.
Restarted |
|
|
250
|
Tue Jul 15 08:47:13 2008 |
Doug Preddy | Normal Running | Screen grab of normal running | Solenoid was recovered on Sunday July 13.
The power leads started to ripple slightly
this morning, so I cycled HIC142. No real |
|
|
249
|
Sun Jul 13 20:17:24 2008 |
Doug Preddy | Other | Helium refrigerator problems | In early June the helium compressor was running
with the solenoid cold. A vavlve broke off
at the suction side of the compressor. The |
|
|
248
|
Mon Apr 28 09:03:22 2008 |
Doug Preddy | Normal Running | power leads warmed during weekend | The power lead temperatures suddenly rose
on Sunday morning. No rippling occured before
the woarm up.
I shut flow off this morning |
|
|
247
|
Thu Apr 17 13:52:25 2008 |
Doug Preddy | Start Up | switched to series mode at 9:30 this morning | switched to series mode at 9:30 this morning.
Added two bottles of helium gas.
Started
flow to power leads. |
|
|
246
|
Wed Apr 16 16:51:16 2008 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
|
245
|
Wed Apr 16 15:15:44 2008 |
Doug Preddy | Start Up | refrigerator started | Turned on compressor last Tuesday. Ran purifier
until today. Final value 0.15ppm.
Started
cool down yesterday. Switched into parallel |
|
|
244
|
Wed Apr 16 15:12:01 2008 |
Doug Preddy | Normal Running | graphs to load | There are three strip tools saved:
coils
powerlead
startup |
|
|
243
|
Tue Apr 1 15:17:06 2008 |
Doug Preddy | Start Up | Starting up vacuum systems | Monday afternoon there was no control of the
vacuum system. The controls were working,
but no output to devices. The "output" breaker |
|
|
242
|
Mon Dec 3 14:59:58 2007 |
Doug Preddy | Quench Recovery | Not really a quench recovery, But... | Not really a quench recovery, but...I wanted
to send this out via e-mail.
The contactor for the compressor building |
|
|
241
|
Wed Nov 28 15:07:08 2007 |
Kevin Trithardt | Other | power lead regeneration | Power leads cold again, power supply ramping
up. |
|
|
240
|
Tue Nov 27 21:02:08 2007 |
Doug Preddy | Normal Running | power lead ripples | power leads were oscillating tonight. John
K. came down and cycled CV142.
(Thanks John!) Temps settling out. |
|
|
239
|
Mon Nov 26 09:45:43 2007 |
Doug Preddy | Normal Running | power lead problems | Power lead temperatures were rippling yesterday
afternoon. I asked one of
the operators to cycle CV142.
|
|
|
238
|
Fri Nov 23 08:41:45 2007 |
Doug Preddy | Normal Running | screen grab of powerlead temps | |
|
|
237
|
Fri Nov 23 08:35:37 2007 |
Doug Preddy | Normal Running | power lead problems | About 10 hours ago the power lead temperatures
started to fluctuate and
climb.
|
|
|
236
|
Mon Nov 19 04:30:47 2007 |
Doug Preddy | Quench Recovery | switched to series mode | |
|
|
235
|
Mon Nov 19 02:58:44 2007 |
Doug Preddy | Quench Recovery | Solenoid quenched on power lead over temperature | I received a page at 1:30 this morning. The
power lead temperatures were
climbing. Cycling CV142 did not fix the problem. |
|
|
234
|
Fri Nov 9 18:56:20 2007 |
Doug Preddy | Maintenance | System Ready to Run | M9BMP2 was replaced. Vacuum good. Solenoid
is ramped up. :) |
|
|
233
|
Fri Nov 9 16:24:33 2007 |
Doug Preddy | Maintenance | 2APLC Died | thumb wheel panel all lite up. 2APLC rebooted
by Klara (Thanks). M9BMP2 not
pumping properly. Edi is looking at it. |
|
|
232
|
Fri Nov 9 14:50:03 2007 |
Doug Preddy | Quench Recovery | Solenoid cold | Solenoid cold. Added two bottles of helium.
Allowing to stablize. Will
ramp power supply in half an hour. |
|
|
231
|
Fri Nov 9 07:37:44 2007 |
Doug Preddy | Quench Recovery | switched to series mode | switched to series mode. |
|
|
230
|
Thu Nov 8 09:28:53 2007 |
Doug Preddy | Quench Recovery | started compressor | And started flow to coldbox,solenoid in parallel
warm return.
|
|
|
229
|
Wed Oct 24 12:04:06 2007 |
Doug Preddy | Maintenance | power lead and cryopump regeneration | Regenerating M9B:CP2 as temperature was up
to almost 20k.
Shut off flow to power leads to allow them |
|
|
228
|
Tue Oct 9 13:16:44 2007 |
Doug Preddy | Quench Recovery | switched to series mode | |
|
|
227
|
Tue Oct 9 12:58:22 2007 |
Doug Preddy | Quench Recovery | Solenoid Quench 2 | Refrigeration sytem shut off at ~ 12:30 today.
No apparent reason. Only
light on was a cold box fault.
|
|
|
226
|
Fri Oct 5 13:25:41 2007 |
Doug Preddy | Quench Recovery | funny graph | There was a fluctuation of the positive lead
temp with no flow going to
the power leads. |
|
|
225
|
Fri Oct 5 10:25:43 2007 |
Doug Preddy | Quench Recovery | Unknown quench 2 | Kevin and I were at the Sulzer panel when
the system quenched 2. No
obvious reasons. Restarted the system. |
|
|
224
|
Tue Oct 2 13:02:37 2007 |
Doug Preddy | Normal Running | PLC problems | While downloading new code for 2A PLC the
M9 and M15 vacuum systems were
shut off. This is due to the two systems |
|
|
223
|
Thu Sep 27 07:41:15 2007 |
Doug Preddy | Start Up | Solenoid cold | Solenoid cold and in series mode. 50% liquid
level. Starting flow to
powerleads. |
|
|
222
|
Wed Sep 26 08:52:46 2007 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
|
221
|
Tue Sep 25 07:34:04 2007 |
Doug Preddy | Start Up | PIC229 to 11 bar | adjusted turbine speeds and HIC104 to maintain
their values. |
|
|
220
|
Mon Sep 24 15:08:41 2007 |
Doug Preddy | Start Up | Started cool down this morning | The vacuum in the cold box was good on Friday
0.0 X 10-4. Let it pump over
the weekend. Added two bottles of UHP helium |
|
|
219
|
Wed Sep 19 20:53:18 2007 |
Doug Preddy | Maintenance | More diff pump news | Cold box pumped out to ~ 190 mTorr overnight.Leak
checked the pump again.
Still leaks at dip stick.Tried resetting |
|
|
218
|
Tue Sep 18 18:48:11 2007 |
Curtis Ballard | Maintenance | cold box leak check | The leak check of the cold box diff pump fittings.
Found a leak at the
base of the diff pump on the tee that is |
|
|
217
|
Fri Sep 14 12:44:52 2007 |
Doug Preddy | Start Up | started compressor | running purifier over weekend |
|
|
216
|
Wed Sep 12 12:01:02 2007 |
Doug Preddy | Maintenance | regenerated adsorber | regenerated adsorber
replaced MV902 "ON" switch (used nitrogen
precooling on switch) |
|
|
215
|
Tue Aug 14 12:55:12 2007 |
Doug Preddy | Normal Running | Strip tool saves | There are two strip tools saved:
coils
powerlead |
|
|
214
|
Tue Aug 14 10:15:22 2007 |
Doug Preddy | Maintenance | Solenoid ramped down | Solenoid ramped down and locked out for M9A
slits work. |
|
|
213
|
Mon Aug 6 08:41:31 2007 |
Doug Preddy | Quench Recovery | Cold box trip at 6:00 | compressor off due to cold box trip at 6:00
this morning. Restarted system
and started flow to solenoid in parallel |
|
|
212
|
Tue Jul 31 07:53:57 2007 |
Kevin Trithardt | Normal Running | cycled power leads | got a page for the power lead temp
came down and cycled the power leads.. did
not seem to make a difference..
|
|
|
211
|
Sun Jul 29 04:58:27 2007 |
Doug Preddy | Quench Recovery | Energizing solenoid | LHe level~50%. Still have a slight ripple
in the power leads, but they are
cold enough to power the solenoid. LHe_in |
|
|
210
|
Sat Jul 28 22:30:13 2007 |
Doug Preddy | Quench Recovery | quench again | recovered system and energized solenoid at
about 6:00 this evening.
At 9:30 power lead temps quenched solenoid |
|
|
209
|
Sat Jul 28 15:45:17 2007 |
Doug Preddy | Quench Recovery | quench recovery | The solenoid tripped off this morning due
to pwer lead over temp. The
compressor was also off. I restarted this |
|
|
208
|
Thu Jul 5 11:01:47 2007 |
Kevin Trithardt | Other | Current lead warm up | Due to curent lead temperature occilation
Doug recommended warming up the
current leads.
|
|
|
207
|
Thu Jul 5 03:04:50 2007 |
Doug Preddy | Normal Running | Power lead problems | The power leads temps are starting to cycle
again. Earlier today M9
experimentor cycled HIC142 to stablize the |
|
|
206
|
Wed Jul 4 11:13:12 2007 |
Doug Preddy | Quench Recovery | test | This is a test to make sure the e-mail works. |
|
|
205
|
Sun Jul 1 16:09:37 2007 |
Doug Preddy | Normal Running | M9B:DP2 tripped off | Diffusion pump tripped off and vacuum (and
power lead temps) going up. I
had an experimentor cycle HIC 142 at 4:15 |
|
|
204
|
Tue Jun 19 21:15:41 2007 |
Doug Preddy | Quench Recovery | Today's quench | power lead temps caused a quench at 8:30 this
morning. Recovery of system
and flow to solenoid was started by 11:00. |
|
|
203
|
Sat Jun 16 15:05:03 2007 |
Doug Preddy | Normal Running | Solenoid power lead temp problem | Power lead temps rippling and increasing.
I asked an operator to cycle
HIC142. This seems to have fixed the problem |
|
|
202
|
Thu Jun 14 00:10:10 2007 |
Doug Preddy | Quench Recovery | recovering from earlier quench | Solenoid quenched on power lead temperature
last night at about 6:00. I
restarted flow to the solenoid in parallel |
|
|
201
|
Tue Jun 12 12:48:25 2007 |
Doug Preddy | Maintenance | added one bottle UHP helium to system | |
|
|
200
|
Thu May 31 11:51:49 2007 |
Doug Preddy | Quench Recovery | Switched to series mode | |
|
|
199
|
Thu May 31 07:11:05 2007 |
Doug Preddy | Quench Recovery | switched to parallel cold return | switched to parallel cold return earlier this
morning. Vacuum is 5 x 10-5. |
|
|
198
|
Wed May 30 11:27:32 2007 |
Doug Preddy | Quench Recovery | Problems recovering | Various start up problems :
MV51 stuck open. Finally got it closed by
hitting the valve with a hammer.
|
|
|
197
|
Wed May 30 08:38:38 2007 |
Doug Preddy | Quench Recovery | Solenoid quenched this morning | Solenoid quenched this morning on power lead
temp (I believe).
I restarted it at ~7:00, but the capacity |
|
|
196
|
Wed May 16 10:02:35 2007 |
Doug Preddy | Maintenance | warming up power leads | Power lead temps have been slowly increasing
over the last wekk. I ramped
the solenoid down and am warming the power |
|
|
195
|
Wed May 2 16:28:16 2007 |
Doug Preddy | Normal Running | Energizing solenoid to 500 amps | Power supply initially would not ramp up.
I exercised the rate control
selector switch and found that the power |
|
|
194
|
Mon Apr 30 09:30:26 2007 |
Doug Preddy | Normal Running | problems over weekend | The PLC Limit switch power supply was tripped
off on Saturday. I came in
and reset it and restarted all the vacuum |
|
|
193
|
Fri Apr 27 10:32:07 2007 |
Doug Preddy | Quench Recovery | Reset quench relay logic box | The quench relay logic controller was not
functioning correctly. It showed
a "Trip" light and no other lights. I cycled |
|
|
192
|
Fri Apr 27 10:16:44 2007 |
Kevin Trithardt | Quench Recovery | Test | Don't Panic -- There was no quench. I am testing
the e-log.
I have added Kevin's name and e-mail to the |
|
|
191
|
Fri Apr 27 10:10:07 2007 |
Doug Preddy | Normal Running | Solenoid Cold | Solenoid cold, power leads cold. Alarm handler
started. |
|
|
190
|
Tue Apr 24 10:21:49 2007 |
Doug Preddy | Start Up | Started flow to turbines | Started flow to turbines at about 10:00 in
parallel warm mode. |
|
|
189
|
Mon Apr 23 16:31:02 2007 |
Doug Preddy | Start Up | Started compressor | Startewd compressor and purifer today. |
|
|
188
|
Fri Apr 20 12:15:12 2007 |
Doug Preddy | Start Up | remote PLC switch | I could not control the vacuum devices using
EPICS. The buttons could be
pushed, but nothing would respond. The PLC |
|
|
187
|
Thu Apr 19 15:18:25 2007 |
Doug Preddy | Start Up | preparing to start the refrigerator | Starting the vacuum systems in the coldbox
and solenoid. |
|
|
186
|
Mon Mar 5 14:59:41 2007 |
Doug Preddy | Maintenance | Password | On the weekend someone used this log to send
spam messages. I have
installed a password for the write privilege. |
|
|
185
|
Fri Jan 26 15:10:37 2007 |
Doug Preddy | Maintenance | new control computer installed | I have installed a new control computer at
the M9 solenoid control panel |
|
|
184
|
Tue Nov 28 10:32:04 2006 |
Doug Preddy | Quench Recovery | recovering after looong power outage | The power has been out for about 24 hours.
Recovering coldbox, solenoid and
beamline vacuum.PLC is down for the vacuum |
|
|
183
|
Wed Nov 15 17:05:49 2006 |
Willy Andersson | Quench Recovery | powerleads cold, energizing solenoid | Powerlead temperatures have bottomed out,
energizing solenoid to 300
amps, ramp rate 60. |
|
|
182
|
Wed Nov 15 13:56:00 2006 |
Doug Preddy | Quench Recovery | switch to series mode | |
|
|
181
|
Wed Nov 15 11:09:28 2006 |
Doug Preddy | Quench Recovery | Compressor tripped off | Compressor tripped this morning at ~8:45.
I restarted the compressor, but
turbine 1 would not spin up. I let it warm |
|
|
180
|
Tue Nov 7 10:35:32 2006 |
Doug Preddy | Normal Running | Maintenance day | I ramped down the solenoid power suplly and
shut off flow to the power
leads. I will allow them to warm up and (hopefully) |
|
|
179
|
Fri Nov 3 12:09:51 2006 |
Doug Preddy | Normal Running | Fine tuning | The power lead temperatures have been climbing
at a rate of ~ 0.02K very 8
hours. The negative lead started to show |
|
|
178
|
Tue Oct 31 08:37:34 2006 |
Doug Preddy | Quench Recovery | Energizing solenoid | |
|
|
177
|
Tue Oct 31 05:36:14 2006 |
Doug Preddy | Quench Recovery | switch to series mode | |
|
|
176
|
Tue Oct 31 03:52:29 2006 |
Doug Preddy | Quench Recovery | power lead quench at 2:30 this morning | Compressor still on. Starting flow to solenoid |
|
|
175
|
Thu Oct 26 14:14:57 2006 |
Doug Preddy | Quench Recovery | power lead quench | solenoid tripped on power lead temp. I was
here and caught it. System
cooling. |
|
|
174
|
Thu Oct 26 11:45:22 2006 |
Doug Preddy | Quench Recovery | Solenoid cold | power leads cold 50% liquid.
Turning on power supply |
|
|
173
|
Thu Oct 26 08:18:10 2006 |
Doug Preddy | Quench Recovery | switched to series mode | Switched to series mode at about 7:45. |
|
|
172
|
Thu Oct 26 04:34:15 2006 |
Willy Andersson | Quench Recovery | Still in // cold return mode. | Leaving system cooling in // cold return mode,
cooldown rates still good.
Had flow on to powerleads since re-starting |
|
|
171
|
Thu Oct 26 04:27:31 2006 |
Willy Andersson | Quench Recovery | Powerlead overtemp | 02:30 this morning got page from operations.
Looked at system online, appears that there
was a powerlead overtemp
|
|
|
170
|
Sun Oct 15 07:09:41 2006 |
Other | Normal Running | cryopump bcp2 trip | Donald Arseneau reporting
Not really solenoid realated, but FYI...
|
|
|
169
|
Fri Oct 13 00:13:57 2006 |
Experimentor | Quench Recovery | Energized solenoid. | Hi there,
This is Khashayar (experimenter). Lookin |
|
|
168
|
Thu Oct 12 19:54:10 2006 |
Willy Andersson | Quench Recovery | Energized solenoid. | Switched to series mode about 6 hours ago.
Cooling continued including
power leads until LHe level at about 50% |
|
|
167
|
Thu Oct 12 11:53:04 2006 |
Willy Andersson | Quench Recovery | Compressor trip, 09:50 this morning. | Main compressor tripped, refrigerator shutdown.
Checked with experimentors
and main control room, no indications of |
|
|
166
|
Thu Oct 5 14:53:54 2006 |
Doug Preddy | Start Up | Switched to series mode | |
|
|
165
|
Thu Oct 5 11:51:53 2006 |
Doug Preddy | Start Up | Adde 2 bottles UHP Helium | Valved off purifiers, but left LN2 on. |
|
|
164
|
Thu Oct 5 10:26:26 2006 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
|
163
|
Wed Oct 4 18:10:18 2006 |
Willy Andersson | Start Up | Quick check on system | System in good // warm return mode, temps
coming down nicely. BCP2 cryopump
does not look too healthy, temperature is |
|
|
162
|
Wed Oct 4 07:29:04 2006 |
Doug Preddy | Start Up | Starting cool down | Started compressor yesterday with flow through
the purifier overnight.
Starting tubines this morning in parallel |
|
|
161
|
Thu Aug 17 19:45:27 2006 |
Willy Andersson | Quench Recovery | switch to series cooling | Temps of flow returning from solenoid flat
lined at about 10K.
Gradually closed CV155.
|
|
|
160
|
Thu Aug 17 08:04:44 2006 |
Doug Preddy | Quench Recovery | Solenoid tripped at about 3:00 this morning | restarting system.
Compressor would not start. Idid not see
anything that would not let it
|
|
|
159
|
Tue Aug 15 15:39:27 2006 |
Willy Andersson | Quench Recovery | switched to parallel cold return | Return flow temps from solenoid about 40K,
TIC121 at about 40K so switching
to //cold return.
|
|
|
158
|
Tue Aug 15 08:45:56 2006 |
Doug Preddy | Quench Recovery | restarted the compressor | Solenoid tripped off Sunday. Restarted compressor
and cool down of cold box. |
|
|
157
|
Thu Aug 10 20:26:09 2006 |
Willy Andersson | Quench Recovery | solenoid energized | Powerleads seem stable. |
|
|
156
|
Thu Aug 10 16:33:11 2006 |
Willy Andersson | Quench Recovery | Flow to solenoid tripped on powerlead temperature. | Power lead temps were drifting up, tried to
tweak TIC121 and HIC141 to
unstall powerlead flow. Got quench. Restarted |
|
|
155
|
Thu Aug 10 08:33:44 2006 |
Doug Preddy | Normal Running | Running low on helium | Temperture okay, but there are fluctuation
in the power leads. PIC229 is
trying to charge. The buffer tank pressure |
|
|
154
|
Wed Aug 9 07:50:49 2006 |
Doug Preddy | Quench Recovery | Switched to series mode. | Cool down continues. |
|
|
153
|
Wed Aug 9 06:59:43 2006 |
Willy Andersson | Quench Recovery | more // cold return stuff | About 21:00 last night the solenoid temps
had not changed much, pretty well
flat lined. I guess my reducing CV155 stalled |
|
|
152
|
Wed Aug 9 06:44:58 2006 |
Willy Andersson | Quench Recovery | // cold mode cooling continues. | After restarting flow to the solenoid yesterday
in // cold return mode
TIC121 just refused to go lower than about |
|
|
151
|
Tue Aug 8 07:27:49 2006 |
Doug Preddy | Quench Recovery | Solenoid Quench at about 6:00 this morning | No indication of problem. Turbines still running,
but no flow to solenoid.
Started flow. Solenoid ~20K. |
|
|
150
|
Sat Jul 29 09:38:06 2006 |
Doug Preddy | Quench Recovery | power leads cooled | opened power lead flow about 40 minutes ago.
~12K will let them stablize.
LHE level >20% |
|
|
149
|
Sat Jul 29 05:30:28 2006 |
Doug Preddy | Quench Recovery | switched to series mode | Temps bottomed out at ~16K. Switching to series
mode. |
|
|
148
|
Fri Jul 28 20:39:40 2006 |
Doug Preddy | Quench Recovery | Restarting refrigerator | Solenoid quenched at about 6:00 tonight.
I restarted the compressor, then the cold
box and turbines. When cold box
|
|
|
147
|
Sat Jul 22 06:34:14 2006 |
Experimentor | Quench Recovery | looking good | Donald Arseneau reporting.
It is looking pretty good, so I came back |
|
|
146
|
Fri Jul 21 23:36:21 2006 |
Doug Preddy | Quench Recovery | Final cooldown problems | 80K shield is down to <60K Liquid level not
building. Power leads rippling
and warming. T1 inlet 85K with 10%heater |
|
|
145
|
Fri Jul 21 17:18:19 2006 |
Willy Andersson | Quench Recovery | Opened HIC142 fully open | Power leads have flatlined but still building
LHe level. |
|
|
144
|
Fri Jul 21 14:08:04 2006 |
Doug Preddy | Quench Recovery | switch to series mode | Coils temps <10K.Switching to series mode. |
|
|
143
|
Fri Jul 21 07:39:37 2006 |
Doug Preddy | Quench Recovery | Cool down continues | Raised PIC229 to 11Bar. Started to close HIC155.
Cooling rates improve. |
|
|
142
|
Thu Jul 20 13:34:26 2006 |
Willy Andersson | Quench Recovery | cold return mode continues... | Even though cr_c1 and cr_c12 have begun to
tick down, cr_c7 and cr_c6 are
actually ticking up. This is probably a wave |
|
|
141
|
Thu Jul 20 13:27:21 2006 |
Willy Andersson | Quench Recovery | cold return mode continues... | cr_c1 and cr_12 are both at about 45K and
heading slowly down, so the
gamble of going to // cold return worked. |
|
|
140
|
Thu Jul 20 13:21:57 2006 |
Willy Andersson | Quench Recovery | started // warm return flow. | TIC121 was down to 27K
warm return valves were wide open
opened supply valves CV143 and CV146.
|
|
|
139
|
Thu Jul 20 11:01:09 2006 |
Willy Andersson | Quench Recovery | Opened up warm return valves CV151 and CV153 | Mu2 pressure was just about at trip point
due to trapped volume of helium
warming. So opened up warm returns to bleed |
|
|
138
|
Thu Jul 20 08:18:31 2006 |
Doug Preddy | Quench Recovery | T1 started | Started flow to turbines. Both started. T1
seems a bit slow. HIC110 at 0.85
SI110 = 4100.
|
|
|
137
|
Thu Jul 20 02:59:06 2006 |
Doug Preddy | Quench Recovery | T1 still not starting | I will leave the cold box to warm overnight
and try it again in the morning. |
|
|
136
|
Thu Jul 20 00:52:13 2006 |
Doug Preddy | Quench Recovery | T1 frozen | T1 will not spin up. Warming up cold box. |
|
|
135
|
Thu Jul 20 00:25:16 2006 |
Doug Preddy | Quench Recovery | Solenoid quenched @ 11:15 | Solenoid Quenched on C1 temp. It went above
5K. Shut off compressor.
Restarting system @ 12:15 |
|
|
134
|
Thu Jul 6 15:04:17 2006 |
Doug Preddy | Normal Running | test | test |
|
|
133
|
Thu Jul 6 15:00:15 2006 |
Doug Preddy | Normal Running | test | |
|
|
132
|
Mon Jul 3 23:01:34 2006 |
Doug Preddy | Quench Recovery | power lead warming/ripples caused quench | power lead warming/ripples caused quench at
18:45 today. Compressor stayed
on, but flow to solenoid stopped.
|
|
|
131
|
Fri Jun 30 11:17:57 2006 |
Doug Preddy | Normal Running | Solenoid recovered | Tuesday night. June 27, 2006, the solenoid
quenched for no apparent
reason. It was restarted Wednesday morning. |
|
|
130
|
Fri Jun 30 11:13:00 2006 |
Doug Preddy | Normal Running | E-log is back up and running | I would have made an entry when it died, but----- |
|
|
129
|
Fri Jun 16 08:12:04 2006 |
Doug Preddy | Normal Running | LI108 indicates high on EPICS screen | LI108 indicates high on EPICS screen (150%)
Controller shows ~64% |
|
|
128
|
Wed Jun 14 16:27:01 2006 |
Willy Andersson | Quench Recovery | Energized solenoid | Powerleads appear stable. |
|
|
127
|
Wed Jun 14 10:35:30 2006 |
Willy Andersson | Quench Recovery | Switched to series cooling. | Had system in //return cooling overnight with
small flow to keep power
leads cool. Switched to series mode about |
|
|
126
|
Tue Jun 13 16:04:33 2006 |
Willy Andersson | Quench Recovery | TIC 121 set to auto mode | |
|
|
125
|
Tue Jun 13 15:52:46 2006 |
Willy Andersson | Quench Recovery | Doug has reduced and now closed CV155. | Now in full // cold return mode.
Had just talked with Curtis, He said thta
he has already informed the
|
|
|
124
|
Tue Jun 13 10:54:27 2006 |
Doug Preddy | Quench Recovery | Compressor tripped off | No indicator lights etc as to why the compressor
tripped. The only light
was a cold box fault. I had to shut off the |
|
|
123
|
Tue May 30 14:36:41 2006 |
Doug Preddy | Normal Running | power leads warming | power leads warming. closed HIC 142, then
re-opened. temps falling |
|
|
122
|
Fri May 26 14:34:24 2006 |
Doug Preddy | Start Up | Ready to run | Solenoid is cold, liquid level is 35%, power
leads cold and seem stable.
Added one bottle helium to buffer tank. Pressure |
|
|
121
|
Fri May 26 10:03:03 2006 |
Doug Preddy | Start Up | Started flow to power leads | Started flow to power leads.
Liquid level 15% |
|
|
120
|
Fri May 26 08:45:38 2006 |
Doug Preddy | Start Up | Changed to series mode | Changed to series mode.
Liquid level building. |
|
|
119
|
Fri May 26 07:29:54 2006 |
Doug Preddy | Start Up | CV155 closed | CV155 closed.
Temps about 15K |
|
|
118
|
Thu May 25 07:34:18 2006 |
Doug Preddy | Start Up | switched to parallel cold return | switched to parallel cold return |
|
|
117
|
Tue May 23 08:44:28 2006 |
Doug Preddy | Start Up | Started turbines | Solenoid and cold box were pumped out last
Tuesday. Cold box roughing pump
initially would not start. had to retighten |
|
|
116
|
Thu Dec 22 15:10:44 2005 |
Doug Preddy | Shut Down | shut down system | shuttting down the system. isolated cold box
by closing v135. preparing to
pump out cold box. |
|
|
115
|
Mon Dec 12 09:24:29 2005 |
Doug Preddy | Quench Recovery | Solenoid Quench on power lead temp | The solenoid tripped on power lead temps at
about 9:15. I am recovering it
from it's all around mode into parallel cold |
|
|
114
|
Tue Nov 15 07:25:10 2005 |
Doug Preddy | Normal Running | power supply problem | Saturday November 12 the solenoid power supply
ramped itself down to zero.
It would not ramp up unless the ramp rate |
|
|
113
|
Thu Nov 3 09:27:16 2005 |
Doug Preddy | Quench Recovery | started flow to solenoid | started flow to solenoid in parallel cold
return. |
|
|
112
|
Thu Nov 3 06:19:50 2005 |
Doug Preddy | Quench Recovery | restart system | Last night at about 7:00 there was a large
power bump that shut the
compressor and water pump off. I came in |
|
|
111
|
Wed Nov 2 10:17:27 2005 |
Willy Andersson | Start Up | M9B helium refrigerator and solenoid cooldown | Started M9B MYCOM helium compressor circulating
helium through system last
Friday. Right hand purifier was regenerated |
|
|
110
|
Mon Oct 31 07:48:57 2005 |
Willy Andersson | Quench Recovery | what a fine entry | Keep IT safe boys |
|
|
109
|
Sun Aug 14 10:03:13 2005 |
Willy Andersson | Normal Running | System stable | No experiment running in M9B.
Solenoid current is zero and power supply |
|
|
108
|
Tue Jul 19 18:09:56 2005 |
Willy Andersson | Quench Recovery | Quench II | Machine trip just as I was exiting the TRIUMF
gate. QRL said cold box fault
as did red lite on compressor. At cold box |
|
|
107
|
Tue Jul 19 16:13:32 2005 |
Willy Andersson | Quench Recovery | switch to series mode | CR_6KS_M down to 11 K.
Switched to series mode.
Started small flow to power leads to get |
|
|
106
|
Mon Jul 18 15:51:17 2005 |
Doug Preddy | Quench Recovery | Compressor restarted, flow to solenoid | Recovered the vacuum in the solenoid, then
started the compressor.
Started flow to solenoid in parallel warm |
|
|
105
|
Mon Jul 18 11:18:40 2005 |
Doug Preddy | Quench Recovery | Solenoid Quenched over the weekend | The solenoid was found to be warm on Monday
morning. M9Q3 had a bad water
leak over the weekend. The water header serving |
|
|
104
|
Tue Jun 14 23:01:22 2005 |
Doug Preddy | Quench Recovery | switched to parallel cold return | |
|
|
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 |
|
|
102
|
Tue Jun 14 18:48:14 2005 |
Experimentor | Normal Running | Power bump at 18:40 | Solenoid tripped on a power bump at 18:40
Tuesday
-- Donald Arseneau |
|
|
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 |
|
|
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. |
|
|
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. |
|
|
98
|
Thu Jun 2 09:16:40 2005 |
Doug Preddy | Quench Recovery | continuing to cool | See screen grab |
|
|
97
|
Thu Jun 2 01:38:25 2005 |
Doug Preddy | Quench Recovery | strip tool plot | This is a strip tool plot of the cooldown |
|
|
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. |
|
|
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 |
|
|
94
|
Wed Jun 1 08:23:19 2005 |
Doug Preddy | Start Up | start up notes | The solenoid was pumped out Monday and yesterday
after the quads just
downstream of the solenoid were put back |
|
|
93
|
Thu May 19 15:05:31 2005 |
Doug Preddy | Maintenance | STA 120 replaced | The turbine 2 speed indicator control box
STA 120 has been replaced with a
newer style Jaquet controller. This is similar |
|
|
92
|
Mon Apr 18 09:52:11 2005 |
Doug Preddy | Maintenance | Relays replaced | The following relays have been replaced in
the Sulzer control panel:
K341, K379, K132, K324A, K314, K125, K127, |
|
|
91
|
Fri Mar 11 09:18:30 2005 |
Doug Preddy | Maintenance | services on system | The cold box was isolated and pumped out after
it warmed up. It has been
refilled with helium.
|
|
|
90
|
Sun Dec 5 11:15:24 2004 |
Doug Preddy | Normal Running | more ripples | I 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. |
|
|
89
|
Thu Dec 2 10:51:16 2004 |
Doug Preddy | Normal Running | power lead ripple | Ripples got worse overnight.LHe in 10.3-11.7,
PL Neg 8.0-8.7. Flows <200mm.
cycled CV142. Flows 240mm. LHe in 10.3-11.3 |
|
|
88
|
Wed Dec 1 12:55:56 2004 |
Doug Preddy | Normal Running | added one bottle helium gas | buffer tank pressure is up to 6.5 psi. |
|
|
87
|
Mon Nov 29 09:28:16 2004 |
Doug Preddy | Normal Running | Buffer tank empty | Came down to check on system. CV211 was fully
open, trying to charge the
system. Ripples on LHe in and PL neg. CV141 |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
83
|
Wed Nov 24 07:28:38 2004 |
Other | | Mission Impossible | |
|
|
82
|
Wed Nov 24 07:28:30 2004 |
Other | | Mission Impossible | |
|
|
81
|
Tue Nov 23 15:10:06 2004 |
Doug Preddy | Quench Recovery | switched to parallel cold return mode | |
|
|
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.
|
|
|
79
|
Tue Nov 23 09:30:15 2004 |
Doug Preddy | Quench Recovery | started flow to solenoid | Started flow to solenoid in parallel warm
return. |
|
|
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 |
|
|
77
|
Thu Nov 4 13:33:49 2004 |
Doug Preddy | Normal Running | Power supply problems | Last night the power supply was ramping up
at a very slow rate. This
morning it was energized,but with no current |
|
|
76
|
Mon Nov 1 07:17:44 2004 |
Doug Preddy | Normal Running | power lead flow gone bad | power temps as follows:
LHE_IN 23
PL_POS 36
|
|
|
75
|
Fri Oct 29 14:25:23 2004 |
Doug Preddy | Normal Running | power lead flows dropping | Flow is down to <190 mm. temps are starting
to climb. Cycled HIC142 |
|
|
74
|
Tue Oct 26 09:45:24 2004 |
Doug Preddy | Normal Running | power leads warming | Flow to power leads dropped to <80 mm. Cycled
HIC142. Temps dropping, flows
>250. |
|
|
73
|
Mon Oct 25 15:44:15 2004 |
Doug Preddy | Normal Running | Power lead temps starting to ripple | Power lead temps starting to ripple at a 1.5min
period. PL flows are
both>250 mm. |
|
|
72
|
Fri Oct 22 09:15:06 2004 |
Doug Preddy | Start Up | started flow to power leads | Started flow to power leads HIC142 at 0.8.
|
|
|
71
|
Thu Oct 21 15:41:29 2004 |
Doug Preddy | Start Up | switched to series mode | |
|
|
70
|
Thu Oct 21 07:16:35 2004 |
Doug Preddy | Start Up | switched to parallel cold return | |
|
|
69
|
Wed Oct 20 09:38:17 2004 |
Doug Preddy | Start Up | restarting system | Solenoid tripped off Monday morning due to
high compressor pressure.
Regenerated purifier on Tuesday. Started |
|
|
68
|
Sun Oct 17 05:03:13 2004 |
Other | Start Up | Cycle valve after oscillations begin | (Sat night/Sun AM) Helium temperature started
oscillating, so
powered off magnet (precautionary) and cycled |
|
|
67
|
Sun Oct 17 04:26:29 2004 |
Other | Start Up | cycling 142 when temp hit 10.68 | > I tried cycling the valve twice -- at about
11:30 and again around 1:00,
> trying both the buttons and the dial -- |
|
|
66
|
Sat Oct 16 17:18:50 2004 |
Other | | lame | |
|
|
65
|
Sat Oct 16 17:13:19 2004 |
Other | | s | s |
|
|
64
|
Wed Oct 13 08:17:00 2004 |
Experimentor | Start Up | cycling 142 when temp hit 10.68 | I tried cycling the valve twice -- at about
11:30 and again around 1:00,
trying both the buttons and the dial -- but |
|
|
63
|
Tue Oct 12 13:00:08 2004 |
Curtis Ballard | Start Up | cv142 valve | Curtis closes and opens slowly at about 11:00
am this morning. Wants to see
if that works better than the sudden on/off |
|
|
62
|
Tue Oct 12 02:05:31 2004 |
Experimentor | Start Up | cv142 valve | after only two hours since last lead cycling,
they warm up quickly.
ops cycles the valve, but more quickly this |
|
|
61
|
Mon Oct 11 22:32:11 2004 |
Experimentor | Start Up | cv142 valve | temp of leads begins its exponential rise
again (caught it at 12K), approx
11 hours after last reset. this time asked |
|
|
60
|
Mon Oct 11 11:49:34 2004 |
Experimentor | Start Up | cv142 valve | noticed temp rise, which occured only about
5 hours after the
last "reset" .... the time between resets |
|
|
59
|
Mon Oct 11 03:56:14 2004 |
Experimentor | Start Up | cv142 valve | noticed that the lead temp rose to 24K over
the past 4 hours. had control
room personnle cycle the cv142 valve. temperature |
|
|
58
|
Sun Oct 10 17:36:35 2004 |
Experimentor | Start Up | power leads | At 5:30 pm sundat, power lead temp is about
10.6K. script tool still
notworking
|
|
|
57
|
Sat Oct 9 22:50:26 2004 |
Other | | power leads warmed | At 10:30 PM Saturday, Donald Arseneau sees
power leads at
25K, having gone up for the previous 10 hours. |
|
|
56
|
Thu Oct 7 13:33:20 2004 |
Doug Preddy | Start Up | turned off purifier | turned off purifier |
|
|
55
|
Wed Oct 6 09:25:54 2004 |
Doug Preddy | Start Up | switch to series mode | switched to series mode |
|
|
54
|
Wed Oct 6 07:57:01 2004 |
Doug Preddy | Start Up | parallel cold return | Switched to parallel cold return at 4:00 yesterday
afternoon.
6:30 this morning started closing cv155 as |
|
|
53
|
Tue Oct 5 07:18:16 2004 |
Doug Preddy | Start Up | adjust compressor discharge pressure | adjusted compressor discharge pressure to
11 Bar |
|
|
52
|
Mon Oct 4 09:16:29 2004 |
Doug Preddy | Start Up | Started turbines | Started flow to the turbimes with the solenoid
in parallel warm return. |
|
|
51
|
Fri Oct 1 11:39:55 2004 |
Doug Preddy | Maintenance | Loading of compressor not working | When the compressor was restarted on Monday,
the remote load button would
not respond. The compressor was shut off. |
|
|
50
|
Mon Sep 13 13:56:06 2004 |
Doug Preddy | Shut Down | compressor off | compressor off |
|
|
49
|
Mon Sep 13 10:55:25 2004 |
Doug Preddy | Shut Down | Quench and shutdown | The solenoid quenched on powerlead temps this
morning at 10:00. It is
warming up and the power leads are >200K.Isolating |
|
|
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. |
|
|
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. |
|
|
46
|
Sun Aug 29 14:39:19 2004 |
Doug Preddy | Normal Running | Power lead ripple | The LHe in and PL-neg temps have been building
up a ripple over the last
few days. Curtis cycled HIC142 Friday evening |
|
|
45
|
Wed Aug 25 12:52:53 2004 |
Doug Preddy | Normal Running | power lead ripple | 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 |
|
|
44
|
Wed Aug 25 07:47:05 2004 |
Doug Preddy | Normal Running | Power lead flow | The power lead flows had dropped to 210 mm
this morning. I increased HIC142
from 0.8 to 0.83. The flows are back to <250 |
|
|
43
|
Tue Aug 24 12:09:50 2004 |
Doug Preddy | Normal Running | The past few days | The solenoid has been re-started as of August
19. It was cooled down and
energized over the weekend. Sunday night |
|
|
42
|
Thu Aug 19 10:28:32 2004 |
Doug Preddy | Start Up | after M9bv5 FIX | Over the last couple of days we replaced the
gate on the M9BV5 valve. The
old one had worn the teflon sliders on the |
|
|
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 |
|
|
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 |
|
|
39
|
Thu Jul 29 13:25:29 2004 |
Doug Preddy | Quench Recovery | start flow to power leads | |
|
|
38
|
Thu Jul 29 09:01:11 2004 |
Doug Preddy | Quench Recovery | switched to parallel cold | Changed to series mode. |
|
|
37
|
Wed Jul 28 23:07:01 2004 |
Doug Preddy | Quench Recovery | solenoid cooling | cooling rates for the solenoid are good. In
parallel cold return. |
|
|
36
|
Wed Jul 28 22:01:31 2004 |
Doug Preddy | Quench Recovery | Starting flow to solenoid | c1 28, c12 29, c6 11.6, c7 12.5 TI121 22.5 |
|
|
35
|
Wed Jul 28 21:26:19 2004 |
Doug Preddy | Quench Recovery | Double Power bump | Two power bumps tonight. Everything tripped
of. Restarted cooling water
pump, diff. pump under solenoid etc. Computer |
|
|
34
|
Wed Jul 28 07:00:18 2004 |
Doug Preddy | Quench Recovery | switch to series mode | Switching to series mode. Jumper on vacuum
gauge removed. |
|
|
33
|
Wed Jul 28 00:04:30 2004 |
Doug Preddy | Quench Recovery | started flow to solenoid | Solenoid temps were: C1 & C12 about 30K. C6
&C7 about 11K. Started flow to
solenoid in parallel cold return. Jumpered |
|
|
32
|
Tue Jul 27 23:33:27 2004 |
Doug Preddy | Quench Recovery | Solenoid quench 9:30 | I was phoned at about 9:30 tonight with a
solenoid alarm. After looking at
the display I found the system to be tripped |
|
|
31
|
Tue Jun 29 14:59:46 2004 |
Willy Andersson | Normal Running | Removed jumper on vacuum controller. | Tuesday 14:55
Removed jumper on back of PIC 901. This jumper |
|
|
30
|
Fri Jun 25 14:20:58 2004 |
Willy Andersson | Quench Recovery | Switch to series mode | At about 14:00 solenoid temps dipping below
8 K. Trace of LHe level (dense
gas) starting to show. Switching to series |
|
|
29
|
Fri Jun 25 12:36:04 2004 |
Willy Andersson | Quench Recovery | Compressor unloaded etc. | At about 09:30 this morning I noticed the
sound coming from the compressor
building seemed louder than usual. After |
|
|
28
|
Fri May 21 09:27:39 2004 |
Doug Preddy | Maintenance | Idle mode | Power supply was ramped down yesterday as
there are no users.
The Sundance server was rebooted yesterday. |
|
|
27
|
Thu May 6 09:32:13 2004 |
Willy Andersson | Quench Recovery | Additional notes from last night power lead problems. | When performing last nights refrigerator adjustments
I also increased the
compressor discharge pressure to 11.25 barA. |
|
|
26
|
Wed May 5 23:57:38 2004 |
Willy Andersson | Quench Recovery | Powerleads warming up again. | Got a page from Don Flemming at about 18:50
wondering why the power
lead temperatures were rising. See attachment |
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25
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Wed May 5 12:13:51 2004 |
Doug Preddy | Normal Running | power leads cold | should be ready to run. |
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24
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Wed May 5 09:59:10 2004 |
Doug Preddy | Quench Recovery | started flow to power leads | Started flow to power leads.
TIC121 into auto mode |
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23
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Wed May 5 07:55:37 2004 |
Doug Preddy | Quench Recovery | Solenoid quenched on power lead temp | Solenoid quenched on power lead temp. I ran
down and managed to recover it
with minimal temp rise in the solenoid. Coil |
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22
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Tue May 4 11:26:38 2004 |
Doug Preddy | Normal Running | power leads | Power cycled HIC 142 with solenoid power at
400 amps. Flows > 240mm and
temps have dropped. |
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21
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Tue May 4 11:20:57 2004 |
Doug Preddy | Normal Running | power leads going unstable | power lead ripples increased over last couple
of days. They are quickly
dieing out now and the temps are startint |
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20
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Fri Apr 30 01:53:34 2004 |
Doug Preddy | Quench Recovery | switched to parallel cold | |
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19
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Thu Apr 29 23:43:15 2004 |
Doug Preddy | Quench Recovery | Starting flow to solenoid | Solenoid quenched due to power leads at 9:00
tonight. Restarted flow in
parallel warm mode. |
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18
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Wed Apr 28 09:30:09 2004 |
Doug Preddy | Normal Running | power leads again | Same story as yesterday. Ripples dieing out,
flows down to <200 mm, temps
increasing. Turned HIC 142 down to 0.4 then |
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17
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Tue Apr 27 09:03:18 2004 |
Doug Preddy | Normal Running | Power leads | Power leads are being monitored with the strip
tool graphs. I saw the temps
go from having a ripple to almost no ripple, |
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16
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Mon Apr 26 08:12:30 2004 |
Doug Preddy | Quench Recovery | Power leads flow | Throttled back the LHe in until the power
leads started to warm. My goal is
to flow "warm" gas (hopefully 80K) through |
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15
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Mon Apr 26 07:48:46 2004 |
Doug Preddy | Quench Recovery | Series mode | Switching over to series mode. |
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14
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Sun Apr 25 21:41:00 2004 |
Willy Andersson | Quench Recovery | Trip on PL Temp. | Got pager call at 16:20 this afternoon. Solenoid
had tripped on PL
temperature. Arrived at about 17:00. Did |
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13
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Fri Apr 23 09:19:30 2004 |
Doug Preddy | Normal Running | CV211 | PIC 229 was down to 10.8 bar this morning.
PIC 229 was trying to open CV211
to charge the system. I realized that in |
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12
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Thu Apr 22 10:39:16 2004 |
Doug Preddy | Normal Running | Yesterday | Added two bottles of UHP helium to buffer
tank.
Had no liquifation rate, so optimized Ti121 |
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11
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Wed Apr 21 09:57:59 2004 |
Willy Andersson | Start Up | System status | Buffer tank pressure is down to about 6 psig.
Too low to keep up
with liquefaction requirements to build LHe |
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10
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Wed Apr 21 08:16:18 2004 |
Doug Preddy | Start Up | switch to series mode | Switched to series mode. |
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9
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Wed Apr 21 06:48:31 2004 |
Doug Preddy | Start Up | JT bypass closed | Closed cv155 |
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8
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Wed Apr 21 06:39:17 2004 |
Doug Preddy | Start Up | over night | Changed to parallel cold mode at 9:30.
At about 4:30 the city water chiller was
turned on. The air compressor had
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7
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Tue Apr 20 07:33:03 2004 |
Doug Preddy | Start Up | PIC229 at 11bar | PIC229 at 11 bar. Changed strip tool to 15
sec increments. |
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6
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Tue Apr 20 07:06:41 2004 |
Doug Preddy | Start Up | morning day 2 | Temps in solenoid are equalling out. Increasing
PIC229 to 11 bar. |
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5
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Mon Apr 19 15:06:49 2004 |
Doug Preddy | Start Up | Started turbines | Purifier run over the weekend. Both LN2 dewars
empty, but purifier cold.
Disabled CV211 and flowed all charge gas |
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4
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Fri Apr 16 10:15:26 2004 |
Doug Preddy | Start Up | Changes to M9sol Vacuum PC | Yesterday and today there have been a number
of changes made to the M9
Vacuum control computer. The computer now |
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3
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Fri Dec 19 13:59:53 2003 |
Doug Preddy | Maintenance | To-Do list for M9SOL | > I had distributed this list by email earlier
this month. I have added
> a few items at the bottom. I am posting |
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2
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Fri Dec 19 13:07:25 2003 |
Willy Andersson | Maintenance | To-Do list for M9SOL | I had distributed this list by email earlier
this month. I have added
a few items at the bottom. I am posting it |
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1
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Fri Dec 19 11:34:10 2003 |
Doug Preddy | Quench Recovery | Final home of this E-log | http://isac.triumf.ca/m9sol/
Chris has set up the M9 solenoid e-log at
the above web address. Play with
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