| ID |
Date |
Author |
Operational Mode |
Subject |
Text |
 |
|
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 |
|