TGHT, TBHT, ANODE and COIL power tested (some amps/volts)
Monday, August 17, 2015, 10:43: BIAS/EL/EE to 15/7.5/1.5 kV
Monday, August 17, 2015, 10:45 : COIL 20A, ANODE 200V
Keiko fixed the auto-ramping program and access rights to it.
Monday, August 17, 2015, 13:06: Auto-ramping at 2/1 A/min. Good/bad vacuum at 6E-6 and 8E-6 T
Monday, August 17, 2015, 13:24 : ANODE current limit set incorrectly. Corrected and 200V (9 mA)
Monday, August 17, 2015, 15:28: COIL to 50 A
Monday, August 17, 2015, 15:43: Reduced ANODE to 100 V
Monday, August 17, 2015, 16:56 : Increased EL to 8.3 kV to increase FC current.
Monday, August 17, 2015, 17:04 : FC0 current at 1.5E-8 A
Beam ionized and accelerated on the new TM2 source tray
Monday, August 17, 2015, 17:12 : TGHT / TBHT at 500 / 250 A. Will leave over night to outgas. ISAC ops are monitoring the source.
Tuesday, August 18, 2015, 08:07: Everything stable overnight. Continue ramping heaters.
Tuesday, August 18, 2015, 08:48: TBHT voltage limited by EPICS (hardcoded) at 273 A.
TGHT/TBHT at 600 / 273 A
Tuesday, August 18, 2015, 09:52: Adjusted COIL current down to 0 and back up. Response seen on FC0.
Tuesday, August 18, 2015, 22:29 : Starting cool down.
Wednesday, August 19, 2015, 08:26: Source and HV off. EE configured to conditioning mode. RGA off.
Wednesday, August 19, 2015, 08:42: BIAS/EL at 15 / 7.5 kV. PNG1 at 3.5E-6 T, IG1 at 3.9E-7 T
Wednesday, August 19, 2015, 08:53: BIAS/EL 20 / 10 kV. 2 sparks.
Wednesday, August 19, 2015, 09:54: BIAS/EL 30 / 15 kV. Some sparking around 28 kV required BIAS voltage to be reduced momentarily.
Wednesday, August 19, 2015, 10:04: Sparking at 30 kV. Reduced BIAS to 13 kV to get spar rate to less than 10/min
Wednesday, August 19, 2015, 10:19 : BIAS current limiting. Switch off BIAS and EL
Wednesday, August 19, 2015, 12:04: Water off for purging and leak test.
Wednesday, August 19, 2015, 12:52: Vacuum response observed while David was working on purging the water lines. This turned out to be when the valve to the leak detector was opened. |
Thursday, August 27, 2015, 10:10: Started water system. TK2 level reduced from 24.9 to 23.5 in.
IG2 not working. Force is ON.
EE in conditioning mode.
Friday, August 28, 2015, 08:39: BIAS/EL 10 / 5 kV
Friday, August 28, 2015, 08:49: BIAS/EL 20 / 10 kV
Friday, August 28, 2015, 09:18 BIAS OFF. Ramping to 200/100 A at 2/1 A/min
Friday, August 28, 2015, 15:46: Target at 76 / 38 A. Changed ramping to 100/40 at 1/0.5 A/min
Friday, August 28, 2015, 22:20: Ramping down heaters.
Saturday, August 29, 2015, 09:50: RGA off. PNG1 7.85E-6 / 5.0E-6 T (EPICS / local)
Saturday, August 29, 2015, 10:11: BIAS/EL 20 / 10 kV
Saturday, August 29, 2015, 10:28: BIAS/EL 30 / 15 kV. Some sparking around 29 kV
Saturday, August 29, 2015, 10:43: 10 min w/o sparking
Saturday, August 29, 2015, 10:55: BIAS/EL 32 / 15 kV. Small vacuum responses for every 100 V increase
Saturday, August 29, 2015, 11:03: Sparking at 33 kV
Saturday, August 29, 2015, 11:12: BIAS/EL 34 / 15 kV
Saturday, August 29, 2015, 14:22: Power has returned after site-wide power outage, but no communication with IOC yet.
Saturday, August 29, 2015, 15:13: IOC restarted.
Saturday, August 29, 2015, 15:14: Starting turbos
Saturday, August 29, 2015, 15:22: Turbos at speed.
Saturday, August 29, 2015, 15:22 : MP3 not running. Investigating
Saturday, August 29, 2015, 15:47: Reset MP3 breaker (wait 5 min for capacitors to empty)
Saturday, August 29, 2015, 15:48: Water system running
Sunday, August 30, 2015, 09:38: BIAS/EL 10 / 5 kV
Sunday, August 30, 2015, 09:54: BIAS/EL 20 / 10 kV
Sunday, August 30, 2015, 10:01: BIAS/EL 30 / 15 kV
Sunday, August 30, 2015, 10:12: No sparking
Sunday, August 30, 2015, 10:27: BIAS/EL 35 / 15 kV
Sunday, August 30, 2015, 10:37: No sparking
Sunday, August 30, 2015, 10:52: BIAS/EL 37.5 / 15 kV
Sunday, August 30, 2015, 11:00: BIAS/EL 37.5 / 20 kV. No sparks
Sunday, August 30, 2015, 11:22: BIAS/EL 40 / 20 kV
Sunday, August 30, 2015, 11:34: No sparks
Sunday, August 30, 2015, 12:00: BIAS/EL 42 / 21 kV
Sunday, August 30, 2015, 12:32: Sparking at 43.5 kV. Tripped off PS on conductivity (spark response)
Sunday, August 30, 2015, 12:44: BIAS/EL 40 / 20 kV. ISAC Ops will monitor over lunch
Sunday, August 30, 2015, 14:20: BIAS/EL 43 / 20 kV
Sunday, August 30, 2015, 14:41: Sparking at 43.5 kV. lowered to 43 kV
Sunday, August 30, 2015, 15:56: Sparking every 5-10 min at 43.4 kV not able to increase to 43.5 kV. Sparking is causing signal response on water conductivity and drop in IG1 and IG1S readings during sparking.
Monday, August 31, 2015, 08:33: BIAS/ EL to 40 / 20 kV in 9 min w/o any sparking
Monday, August 31, 2015, 08:44: No sparking
Monday, August 31, 2015, 08:46: BIAS/ EL to 42 / 20 kV
Monday, August 31, 2015, 08:53: BIAS/EL 43 / 20 kV. Two vacuum/current responses
Monday, August 31, 2015, 09:47: BIAS off to investigate spakring.
David observed sparking coming from under the HV cover on TM2 twice. When the cover was removed, spark marks on a rubber plug for the water lines was observed. The plug with marks and one more plug was removed from the service cap as it is not used. See attached PDF.
Monday, August 31, 2015, 10:09: BIAS/ EL to 40 / 20 kV in 8 min w/o any sparking
Monday, August 31, 2015, 10:15 BIAS/EL 43.5 / 22 kV. One small spark
Monday, August 31, 2015, 10:30: No sparks
Monday, August 31, 2015, 10:35: BIAS/EL 44 / 22 kV.
Monday, August 31, 2015, 11:00: BIAS/EL 45 / 22 kV.
Monday, August 31, 2015, 11:31: PNG1 taken out by a spark
Monday, August 31, 2015, 12:04: Reset power to PNG1 controller. PNG1 back online.
Monday, August 31, 2015, 12:25: BIAS tripped on IG1 after a spark at 47.1 kV
Monday, August 31, 2015, 12:39: BIAS/EL 47 / 24 kV. No sparks for 5 min
Monday, August 31, 2015, 12:54: PNG1 taken out by spark at 47.7 kV
Monday, August 31, 2015, 13:02: BIAS/EL 48 / 24 kV
Monday, August 31, 2015, 13:07: No sparks
Monday, August 31, 2015, 13:25: BIAS/EL 49 / 24 kV
Monday, August 31, 2015, 13:30: No sparks
Monday, August 31, 2015, 13:37: PNG1 returned after a spark
Monday, August 31, 2015, 14:06: BIAS/EL 50 / 25 kV
Monday, August 31, 2015, 14:45: No sparks.
Monday, August 31, 2015, 15:15: BIAS/EL 51 / 25 kV
Monday, August 31, 2015, 15:38: BIAS/EL 51 / 30 kV
Monday, August 31, 2015, 16:01: Tested XCB0 and YCB0 to 5 kV. Some sparking. Tested CCB0 to 4 kV. No sparking.
Monday, August 31, 2015, 16:50: No sparks for 1 hour at 51 / 30 kV.
Monday, August 31, 2015, 17:00: HV off.
Monday, August 31, 2015, 17:07: EE at 2 kV, R= 1 MOhm
Monday, August 31, 2015, 17:08 : EE off.
Monday, August 31, 2015, 17:10: Water off.
Monday, August 31, 2015, 17:12 : Vacuum gauges off. Turbos off. Roughing pump off. |