SLRI Machine Status Accelerator Operation Cryogenics
  Operation E-Logbook, Page 428 of 430  Not logged in Accelerator E-Logbook
ID Date Author Event Time Type Section Icon Subject Status RTime (min)
  83   Mon 05 Mar 2012 11:18:53 Natthawut Suradet Mon 05 Mar 2012 11:15:55 RoutineOperation Note Ramping complete  

 Store beam @ 138 mA

STR-RF-FW Power = 15.4 kW

STR-RF-Ref Power = 216 W

  82   Mon 05 Mar 2012 11:17:46 Natthawut Suradet Mon 05 Mar 2012 10:16:38 ConfigurationLINAC Note Adjust Gun Heater  

 Adjust gun heater 6.15V to 7.56V

  81   Mon 05 Mar 2012 11:15:43 Natthawut Suradet Mon 05 Mar 2012 10:28:19 Measured ParameterLINAC Note GUN HV pulser  
Attachment 1: GUN_HV_pulser_(SYN)_5_03_2012.png
GUN_HV_pulser_(SYN)_5_03_2012.png
  80   Mon 05 Mar 2012 11:14:01 Natthawut Suradet Mon 05 Mar 2012 11:13:12 RoutineOperation Note Start ramp energy  
  79   Mon 05 Mar 2012 11:12:57 Natthawut Suradet Mon 05 Mar 2012 11:12:29 RoutineOperation Note Stop Injection  

 @ 140.3 mA

  78   Mon 05 Mar 2012 11:00:11 Natthawut Suradet Mon 05 Mar 2012 10:50:36 RoutineOperation Note Start Injection  

Start injection to STR

  77   Mon 05 Mar 2012 10:00:59 Sudjakom Jummunt Mon 05 Mar 2012 10:00:37 RepairOperation Note Stop Injection  
  76   Mon 05 Mar 2012 09:24:20 Sudjakom Jummunt Mon 05 Mar 2012 07:30:40 ProblemOther Note Dump beamFixed 

Water Leak @BL3 

Dump beam @ 83mA

  75   Mon 05 Mar 2012 09:06:14 Sudjakom Jummunt Mon 05 Mar 2012 09:04:03 RepairOperation Note Warm up magnets  

 Warm up HBT,STR magnets

  74   Mon 05 Mar 2012 03:16:19 Ekwarong Amornwittawat Mon 05 Mar 2012 03:13:19 RoutineBeam Dynamics Note SPS Close Orbit correction  

 Before - dRMSx     0.1389      mm

                 dRMSy     0.1932     mm

After       - dRMSx     0.0242     mm

                  dRMSy     0.0245     mm

Attachment 1: 2012-03-05_03-13.PNG
2012-03-05_03-13.PNG
  73   Mon 05 Mar 2012 03:13:06 Ekwarong Amornwittawat Mon 05 Mar 2012 03:04:33 RoutineOperation Note Ramping energy to 1.2Gev  

 Ramping complete @ 134mA

  72   Mon 05 Mar 2012 03:12:30 Ekwarong Amornwittawat Mon 05 Mar 2012 03:02:05 RoutineOperation Note Stop Injection  

 Stop Injection @135ma

  71   Mon 05 Mar 2012 00:13:23 Somkiat Wisaiphion Sun 04 Mar 2012 00:00:00 RepairLINAC Note Linac  

 Still Checking

  70   Mon 05 Mar 2012 00:04:20 Somkiat Wisaiphion Sun 04 Mar 2012 18:30:00 RepairLINAC Note Linac  

 Check Gun Pulser

 Check Linac

  69   Mon 05 Mar 2012 00:03:33 Somkiat Wisaiphion Sun 04 Mar 2012 18:10:00 RepairLINAC Note Linac  

 Still no current at CM1 of Linac

  68   Sun 04 Mar 2012 18:22:50 Somkiat Wisaiphion Sun 04 Mar 2012 18:00:00 RepairLINAC Note Linac  

- Gun grid bias voltage OK 31.2 V by local adjust to -31.2 V

  67   Sun 04 Mar 2012 18:20:46 Somkiat Wisaiphion Sun 04 Mar 2012 16:38:00 ProblemLINAC Note Linac  

- Linac no current

- Check Linac (Gun grid bias voltage error can not control by remote)

- Reset and check Gun grid bias box at SYN room

  66   Sun 04 Mar 2012 18:16:53 Somkiat Wisaiphion Sun 04 Mar 2012 16:36:00 RoutineOperation Note Warm Up Linac  
  65   Sun 04 Mar 2012 18:16:13 Somkiat Wisaiphion Sun 04 Mar 2012 16:17:00 RoutineOperation Note Warm Up Magnets  

 Warm up all magnets

  64   Sun 04 Mar 2012 18:15:34 Somkiat Wisaiphion Sun 04 Mar 2012 15:42:00 ProblemMagnet Note Magnet  

Reset water cooling system and magnets

  63   Sun 04 Mar 2012 18:12:00 Somkiat Wisaiphion Sun 04 Mar 2012 15:38:00 ProblemElectrical Note Electrical 698

- Electricity sag-swell (failure)

- PWP failure

- All water cooled magnet fault

- Beam dump @ 57 mA

- Linac fault
 

  62   Sun 04 Mar 2012 08:34:21 Sudjakom Jummunt Sun 04 Mar 2012 08:20:00 RoutineOperation Note SPS Close Orbit correction  

  SPS close orbit correction

Before    dRMSx 0.0697   mm.

             dRMSy 0.1614   mm.

 

After      dRMSx 0.0254   mm.     0.0178 mm.

             dRMSy 0.0240   mm.     0.0208 mm.

Complete @ 127.6  mA

Attachment 1: 2012-03-04_8-24.PNG
2012-03-04_8-24.PNG
Attachment 2: 2012-03-04_8-26.PNG
2012-03-04_8-26.PNG
  61   Sun 04 Mar 2012 08:32:29 Sudjakom Jummunt Sun 04 Mar 2012 08:15:00 RoutineOperation Note Ramping energy to 1.2Gev  

 Ramping Complete @ 131.1 mA  

Forward Power 14.4 kW

  60   Sun 04 Mar 2012 08:31:20 Sudjakom Jummunt Sun 04 Mar 2012 08:12:00 RoutineOperation Note Start Ramping  
  59   Sun 04 Mar 2012 08:31:00 Sudjakom Jummunt Sun 04 Mar 2012 08:11:00 RoutineOperation Note Stop Injection  

 Stop Injection @ 132.2 mA

  58   Sun 04 Mar 2012 08:30:18 Sudjakom Jummunt Sun 04 Mar 2012 08:08:00 RoutineOperation Note Start Injection  
  57   Sun 04 Mar 2012 08:29:56 Sudjakom Jummunt Sun 04 Mar 2012 08:01:00 RoutineOperation Note Warm Up Magnets  

 Warm up HBT , STR magnets & Flush TGP 1 cycle

  56   Sun 04 Mar 2012 08:28:45 Sudjakom Jummunt Sun 04 Mar 2012 08:00:00 RoutineOperation Note Dump Beam  

 Dump Beam @ 50.4 mA

  55   Sat 03 Mar 2012 20:21:46 Ekwarong Amornwittawat Sat 03 Mar 2012 20:19:52 RoutineBeam Dynamics Note SPS Close Orbit correction  

  SPS close orbit correction

Before    dRMSx 0.0722   mm

             dRMSy 0.1217   mm

 

After      dRMSx 0.0274   mm

             dRMSy 0.0240   mm

Complete @ 131 mA

Attachment 1: 2012-03-03_20-19.PNG
2012-03-03_20-19.PNG
  54   Sat 03 Mar 2012 20:16:16 Ekwarong Amornwittawat Sat 03 Mar 2012 20:14:12 RoutineOperation Note Ramping energy to 1.2Gev  

 Ramping Complete @132mA

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