| ID |
Date |
Author |
Operational Mode |
Subject |
Text |
 |
|
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. |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
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. |
|
|
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.
|
|
|
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, |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
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 |
|
|
104
|
Tue Jun 14 23:01:22 2005 |
Doug Preddy | Quench Recovery | switched to parallel cold return | |
|
|
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 |
|
|
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 |
|