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ID Date Author Target/No.# Source Station Module Target Oven W.O# Heat Shield W.O# Status Subjectdown
  643   Tuesday, March 06, 2018, 10:55 Carla Babcock       Trying HV without electronics

I have removed the resistor/varistor combinations that go between the poles of the target and tube heaters, and between those two supplies. I tested all the components to make sure they were still working after the sparks - for the record the varistors clamp at 23V, not 33V as implied by the schematic.

Tuesday, March 06, 2018, 10:48  BIAS/EE/EZL = 59.5/-1000/29.5  There was some kind of spark, the current on the bias supply went up to 400uA ( normally at 40 +/- 5 ) and the vacuum jumped a bit ( but still in the 10e-7 range ) but I didn't hear anything. It took out TP6 again. See first attachment.

Tuesday, March 06, 2018, 10:54  BIAS/EE/EZL = 60/-1/30

...

Problems

...

Tuesday, March 06, 2018, 12:00 BIAS/EE/EZL = 60/-1.5/29

Tuesday, March 06, 2018, 12:37 BIAS/EE/EZL = 62/-1.5/30

Tuesday, March 06, 2018, 14:11 BIAS/EE/EZL = 64/-1.5/31 No sparks but occasional ticking sounds from either the EZL or behind where the EE is... see second screenshot

Tuesday, March 06, 2018, 14:40 BIAS/EE/EZL = 65/-1.5/33

 

Test stand has been sitting at 65kV for about an hour now. Some small increases in bias power supply current but nothing significant (40uA). Some small sparks on the way to this voltage, and I ramped up very slowly. The corona discharges seen before seem to be related to the resistor/varistor combos since there are none now that I have removed them. Will redesign and reinstall.

Attachment 1: spark_06032018.PNG
spark_06032018.PNG
Attachment 2: nospark_06032018_1410.PNG
nospark_06032018_1410.PNG
  638   Tuesday, February 20, 2018, 09:04 Carla Babcock       Trying HV with rubber corona shield

Tuesday, February 20, 2018, 09:01: Sparks at 62.5kV after a couple minutes. Sounds like they were in the EE spark gap but don't appear on the EE read current. Ozone smell around 61kV, so there are still some discharges.

 

Turned back up to 62.5kV but no sparks. Put it up to 63.5kV and there was a spark, but not in the EE spark gap as expected. Took down TP1B but everything is back up and seems fine.

  1019   Tuesday, August 13, 2024, 09:31 Dave Neilson      Problems/SolutionsTroubleshooting HV sparks and FC0 signal

Monday, August 12, 2024, 17:00   EOD. target installed, roughed, turbos on. No effect on vacuum from turning on water cooling lines. TGHT TBHT slowly brought to 230A/230A overnight. 

Tuesday, August 13, 2024, 09:28.  Vacuum at 9.9e-7T.  TGHT TBHT at 210/210. accelerating heating to 230/230. bringing up HV EZL EE to 30 / 2.5 / 13   kV

Tuesday, August 13, 2024, 09:51.  with EZL 13kV, EE 2.5kV. When increasing BIAS from 17.0 to 17.5kV.  Signal becomes detectable on FC0, at 7.75e-10A

Tuesday, August 13, 2024, 10:13  at BIAS 30kV. FC0 and wire scanners appear to be working correctly. FC0 reading 2.66e-8A 

Tuesday, August 13, 2024, 10:13  turning on all beam optics for FC6 mass scan.

 Tuesday, August 13, 2024, 10:31   mass scan procedure is doing a very poor job of recording the background noise. filename  2024-08-13_10-44 Ksalt mm 230-230

Tuesday, August 13, 2024, 10:46   increasing tght to 330

Tuesday, August 13, 2024, 10:59    FC0 at 2.1e-8A

Tuesday, August 13, 2024, 11:12  running mass scan at TGHT TBHT = 330/230 A.   filename 2024-08-13_11-21 Ksalt mm 330-230

Tuesday, August 13, 2024, 11:23 increasing TGHT to 430

Tuesday, August 13, 2024, 11:29  three sparks within 2 min at TGHT 378A.  (no sparks at all previous to this). TGHT ramp aborted. 

Tuesday, August 13, 2024, 11:36  resuming TGHT increase after 6 minutes of no sparks.  

Tuesday, August 13, 2024, 11:51  FC0 reading 1.6e-8.  FC0 signal fluctuating throughout test. rises during ramp and drops during static TGHT TBHT level.

Tuesday, August 13, 2024, 11:53  running mass scan at TGHT TBHT 430/230 A .  filename 2024-08-13_12-16 Ksalt mm 430-230 

Tuesday, August 13, 2024, 12:17  increasing TGHT to 530A.  

Tuesday, August 13, 2024, 12:31  FC0 at 3.03e-8 A

Tuesday, August 13, 2024, 12:31  beginning mass scan   -  filename   2024-08-13_13-02 Ksalt mm 530-230

Tuesday, August 13, 2024, 13:02 increasing TGHT to 580A 

Tuesday, August 13, 2024, 13:13   FC0 at 3.58e-8A.  beginning mass scan - filename  2024-08-13_13-35 Ksalt mm 580-230

Tuesday, August 13, 2024, 13:37    increasing bias to test sparking

Tuesday, August 13, 2024, 13:58   at 37kV, a number of optics elements prior to FC0 went down. no voltage or current spikes

Tuesday, August 13, 2024, 13:59  at 42.4kV, a couple sparks, seem to involve TGHT and BIAS. these dropped a few optics elements. when I brought them back up, they went down again, at a time with no voltage or current spikes.

Tuesday, August 13, 2024, 14:30 at 43.6kV, the sparking frequency became regular, with HV bias sparks occurring approximately every 5 minutes

Tuesday, August 13, 2024, 17:00 considerable time was spent until end of day manipulating the bias and the TGHT current level in an effort to discover the location of the regular sparking

increases in HV were found to increase the frequency of sparking, and eventually the HV increase was found to hit a threshold where the current would increase noticeably, with a stable voltage. this was accompanied by a buzzing coming from the feedthroughs on top of the cage. seemed to be coming from the TGHT(+) feedthrough. At no time did there appear to be sparking within the chamber of the test stand. In one instance, with HV just below the threshold of buzzing, increasing TGHT seemed to induce the buzzing state.

 

Wednesday, August 14, 2024, 11:16  ramping up bias to HV. intending to push HV today to find the source of these sparks and buzzing. initially, will be observing this with TGHT TBHT at 180/180 A

Wednesday, August 14, 2024, 11:47 at BIAS = 32.6kV (with EE 2.5 kV and EZL 13 kV), HV appears to be stable. Yesterday, we observed a fluctuating BIAS current which seemed to culminate in regular sparking activity (although this was at voltages of >40kV)

 Wednesday, August 14, 2024, 12:26 at bias = 38.8kV, there was a significant accompanying increase in BIAS current, but no evidence of sparking or buzzing

 Wednesday, August 14, 2024, 12:46  at BIAS = 49.2kV, the buzzing begins.  On the strip tool this is also seen as a large jump in current, with stable voltage

Wednesday, August 14, 2024, 12:49  dropping the bias by ~1kV stopped the buzzing. ramping up quickly again caused a spark and more buzzing.  increasing the voltage to attempt to locate the source.

 

 

Wednesday, August 14, 2024, 13:18   at bias of 49.2kV, buzzing began. dropping the bias stopped it. to attempt to locate the source, we increased the bias significantly. At 53kV, the bias power supply began to current limit. when this was increased, a spark caused the putty connection at the test stand to disconnect and two turbo pumps to trip off. once restored, another increase of the bias eventually caused a large spark when trying to locate the buzzing sound. Again, it seems to be at the feedthroughs of TGHT TBHT. My guess is TGHT+, but there is nothing visual to confirm it is coming from there. This buzzing state is also accompanied by a drop in EZL current to 0 and a large increase in EZL voltage readback.

 Wednesday, August 14, 2024, 15:05 dropped the HV and removed the cage to investigate any issues. we propose that this likely involves jumping to the einzel lens and are curious if raising the EZL voltage significantly would prevent this state from recurring. cage back on, raising HV

 

Resuming testing after TGHT TBHT power supply updates:

 

Friday, September 06, 2024, 12:09:   Ramped up TGHT and TBHT to ~170A at 1A/30s.  Increasing ramp rate to 1.7A/10s up to 580A/230A

 Friday, September 06, 2024, 14:11  slowly increasing BIAS, EE and EZL to 30kV, 2.5kV, 13kV

Friday, September 06, 2024, 15:53  appears that FC0 and wire scanners are working normally. However, there is a threshold reading problem with FC6. seems that a negative readout is present on FC6 if there is no substantial signal, and then nothing is recorded to the mass scans.

Friday, September 06, 2024, 15:54  increasing voltage to test high voltage sparking (BIAS AND EZL)

Friday, September 06, 2024, 16:23  after resetting the FC6 polarity and the FC6 bias, the background signal began showing up.

Tuesday, September 10, 2024, 12:19  Test stand vented, target removed.

Attachment 1: temp_8-13.PNG
temp_8-13.PNG
  559   Wednesday, January 18, 2017, 09:23 Aaron SchmidtTa TestLP-FEBIAD  39530-3 In progressTri-Coil FEBIAD for testing

Wednesday, January 18, 2017, 09:22: Roughing

Wednesday, January 18, 2017, 09:41: Turbo pumps started.

Wednesday, January 18, 2017, 11:01: Ion gauge on.


Thursday, January 19, 2017, 08:15: Water lines opened. No response on RGA. Vacuum stable @ 1.70e-07T.

Thursday, January 19, 2017, 08:55: Power/Sources on. BIAS/EZL/EE @ 30/15/1.5 kV . Coil @ 50 A . Anode @ 200 V.

 Device Temp
[C]
 Flow
[lpm]
 HS + MSP 24.9 3.99
 TBHT 24.8 3.15
 COIL + EE 24.7 5.16
 TGHT  24.7 5.05

Thursday, January 19, 2017, 08:59: IV4 opened. Auto ramping TGHT / TBHT to 580 / 290 A @ 2A per min.


Friday, January 20, 2017, 08:25: TSG : TP1A and TSG : BV1A were noticed to be tripped around 6am.

Friday, January 20, 2017, 08:42: Bypass to restart TSG : TP1A and TSG : BV1A. TP1A is at speed.

 Device Temp
[C]
 Flow
[lpm]
 HS + MSP 34.1 3.99
 TBHT 25.0 3.19
 COIL + EE 24.7 5.19
 TGHT  26.5 5.05

 

Friday, January 20, 2017, 11:48:  Auto ramping  TBHT to 320 A @ 2A per min.

Friday, January 20, 2017, 15:51: Coil @ 100A


Saturday, January 21, 2017, 11:00: Increased TB HT voltage limit to 2.75 V. TBHT current went back up from 313 to 319 A. -AM


Monday, January 23, 2017, 10:08: Argon Valve closed.

Monday, January 23, 2017, 10:33: Neon Valve closed.

Monday, January 23, 2017, 11:00: Auto-cooling @ 4A per min. Coil reduced from 100 A to 50 A

Monday, January 23, 2017, 13:32: Power/sources off.

Monday, January 23, 2017, 13:35: RGA off. IV4 closed. Ion gauge off. Turbo pumps off.

 Monday, January 23, 2017, 14:45: Venting

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 -0.0967 -0.1010 -0.0974 -0.0995 -0.0967 -0.0974 -0.0958 -0.0958 -0.1013 -0.0983 -0.0986 -0.0970 -0.0955 -0.0970 -0.0949 -0.0958 -0.0943 -0.0970 -0.1013 -0.0998 -0.0946
 -0.0980 -0.0998 -0.0983 -0.1001 -0.0974 -0.0961 -0.0952 -0.0986 -0.0992 -0.0983 -0.0983 -0.0986 -0.0989 -0.0989 -0.1001 -0.0995 -0.0940 -0.0961 -0.1010 -0.1004 -0.0961
 -0.0977 -0.0964 -0.0952 -0.1013 -0.0986 -0.0977 -0.0983 -0.0995 -0.1001 -0.0995 -0.1007 -0.0989 -0.0986 -0.1001 -0.0974 -0.0992 -0.0992 -0.0977 -0.1041 -0.1013 -0.0992
 -0.0989 -0.0958 -0.0967 -0.1019 -0.0980 -0.0989 -0.0998 -0.0983 -0.0998 -0.0986 -0.0992 -0.0967 -0.0980 -0.0980 -0.0946 -0.0964 -0.0989 -0.0986 -0.1050 -0.1031 -0.1007
 -0.0967 -0.0998 -0.0986 -0.0995 -0.0986 -0.0970 -0.0995 -0.0970 -0.0983 -0.0949 -0.0974 -0.0961 -0.0952 -0.0961 -0.0946 -0.0977 -0.0967 -0.0964 -0.1044 -0.1007 -0.0964
Attachment 7: TS-2017-01-18-11-02.rga
Attachment 8: TS-2017-01-18-11-40.rga
Attachment 9: TS-2017-01-20-08-28.rga
Attachment 10: TS-2017-01-21-11-01.rga
Attachment 11: Ta_Tri-coil_FEBIAD_Test_stand.docx
Attachment 12: ITE-Test_Ta-LP-FEBIAD-_TRI_COIL-_Test_Stand.docx
  586   Monday, May 22, 2017, 09:43 Aaron Schmidt HP-FEBIAD-CTL     Tri-Coil CTL-FEBIAD test IV

Monday, May 22, 2017, 09:41: Roughing.

Monday, May 22, 2017, 10:00: Turbo pumps started.


Tuesday, May 23, 2017, 07:45: Power/sources on.

Tuesday, May 23, 2017, 07:58: BIAS / EZL / EE @ 35 / 13 / 1.5 kV .

Tuesday, May 23, 2017, 08:19: Coil @ 50 A . Anode @ 200 V

Tuesday, May 23, 2017, 08:20: Auto ramping TGHT / TBHT to 580 / 270 A @ 2 A per min.

Tuesday, May 23, 2017, 10:22: IV4 opened.

Tuesday, May 23, 2017, 10:57: Increased ramping rate for TGHT to 4 A/min - AM

Tuesday, May 23, 2017, 19:05: Cooling down target for change to Anode bias tomorrow. - AM

Tuesday, May 23, 2017, 21:04: BIAS/EZL/EE off


Wednesday, May 24, 2017, 07:16: IV4 Closed.

Wednesday, May 24, 2017, 07:18: Power/Sources off.

Changed to Anode Bias.

Wednesday, May 24, 2017, 11:00: Coil @ 50 A . Anode @ 200 V

Wednesday, May 24, 2017, 11:02: Auto ramping TGHT / TBHT to 580 / 270 A @ 4 / 2 A per min.

Wednesday, May 24, 2017, 11:09: BIAS / EZL / EE @ 35 / 13 / 1.5 kV .


Tuesday, May 30, 2017, 07:02: Auto Cooling @ 2A/min


Thursday, June 01, 2017, 14:08: IV4 Closed. RGA off.

Thursday, June 01, 2017, 14:10: Ion gauge off. Turbos off.

Thursday, June 01, 2017, 16:51: Venting

Thursday, June 01, 2017, 21:16: Roughing.

Attachment 1: CTL_FEBIAD_Test_IV.docx
Attachment 2: TS-2017-05-22-10-07.rga
Attachment 3: TS-2017-05-25-15-42.rga
  584   Tuesday, May 16, 2017, 14:25 Aaron Schmidt HP-FEBIAD-CTL     Tri-Coil CTL-FEBIAD test III

Coil loose (Remove lid, Tighten and place lid again)

Tuesday, May 16, 2017, 14:24: Roughing.

Tuesday, May 16, 2017, 14:45: Turbo pumps on.


Wednesday, May 17, 2017, 06:53: RGA on. Vacuum @ 7.40e-07T

Wednesday, May 17, 2017, 08:04: Open waterline FS#5. OK. Vacuum @ 6.93e-07T

Wednesday, May 17, 2017, 08:05: Open waterline FS#4. OK.

Wednesday, May 17, 2017, 08:06: Open waterline FS#2. OK.

Wednesday, May 17, 2017, 08:07: Open waterline FS#3. OK.

Wednesday, May 17, 2017, 08:10: Vacuum @ 6.93e-07T. No response on RGA

Wednesday, May 17, 2017, 08:26: RGA Error out. Restart RGA.

Wednesday, May 17, 2017, 08:35: Vacuum ok @ 6.87e-07T. RGA ok.


Sparking issues


Wednesday, May 17, 2017, 13:00:

BIAS / EZL / EE @ 35 / 13 / 1.5 kV .

Coil @ 50 A . Anode @ 200 V

RGA Fatal errors. unable to restart. Reboot in morning.

Wednesday, May 17, 2017, 14:25: Auto ramping TGHT / TBHT to 300 / 150 A @ 2/1 A per min.

Wednesday, May 17, 2017, 15:05: BIAS / EZL / EE @ 30 / 13 / 1.5 kV .


Thursday, May 18, 2017, 08:27: Auto ramping TGHT / TBHT to 400 / 200 A @ 2/1 A per min.

Thursday, May 18, 2017, 08:33: RGA on.

Thursday, May 18, 2017, 08:37: IV4 opened

Thursday, May 18, 2017, 08:42: Optics on/set


Monday, May 22, 2017, 07:55: RGA, Power/Sources off.

Monday, May 22, 2017, 07:59: Turbo pumps, Ion gauge off.

Monday, May 22, 2017, 09:03: Venting

Monday, May 22, 2017, 09:40: 6 block screws tightened.

Attachment 1: CTL_FEBIAD_Test_target_III.docx
Attachment 2: TS-2017-05-17-13-00.rga
Attachment 3: TS-2017-05-17-13-30.rga
Attachment 4: TS-2017-05-18-08-30.rga
Attachment 5: CTL_FEBIAD_Test_target_II_(Spark_out).docx
Attachment 6: TS-2017-05-17-06-55.rga
Attachment 7: TS-2017-05-17-08-30.rga
Attachment 8: TS-2017-05-17-12-33.rga
  576   Thursday, April 06, 2017, 12:06 Aaron Schmidt HP-FEBIAD-CTL    In progressTri-Coil CTL-FEBIAD test

Thursday, April 06, 2017, 12:06: Roughing.

Thursday, April 06, 2017, 13:07: Turbo pumps on.

Thursday, April 06, 2017, 13:18: Ion gauge on.

Thursday, April 06, 2017, 13:25: RGA filament error FL5. RESET RGA.

Thursday, April 06, 2017, 13:34: RGA on.


Friday, April 07, 2017, 08:35: Waterlines opened. No response on RGA. Vacuum @ 3.24e-07T


Monday, April 10, 2017, 11:51: Vacuum unstable. Venting to investigate.

Monday, April 10, 2017, 11:52: Turbos stopped.

Monday, April 10, 2017, 14:57: Roughing.

Monday, April 10, 2017, 15:18: Turbos started.

Monday, April 10, 2017, 15:23: TP1 at speed. Opened gases.

Monday, April 10, 2017, 15:26: Turbos at speed. Vacuum at 2.0E-5 T


Tuesday, April 11, 2017, 16:55  : Stopped turbos.

Tuesday, April 11, 2017, 17:01: Venting through turbos to replace seals on HS

Tuesday, April 11, 2017, 17:48: Turbos started


Thursday, April 20, 2017, 09:10: Assembly removed from test stand.

  219   Wednesday, October 03, 2012, 13:50 Aurelia Laxdal HP-FEBIAD    In progressTraining updates

On Monday October 1, the HP-FEBIAD source was turned ON again, to complete the operator training. The last session was yesterday and for the time being the ISAC operators can play with the source when time allows, and from the ISAC Control room. For this purpose the source will be kept on this week and also over the week-end.

  720   Friday, May 03, 2019, 08:30 Anders Mjos      In progressTraining

Training: Venting and pump down

Friday, May 03, 2019, 08:30: Turbo pumps stopped.

  225   Thursday, November 01, 2012, 11:16 Aurelia LaxdalTiC#3LP-SISITWTM1   TiC#3-LP-SIS Startup

Did the HV conditioning for the TiC#3 up to 30kV.

Heaters ramp up in progress.

  896   Wednesday, August 25, 2021, 15:30 Ferran Boix Pamies       Thermocouple high voltage test

Wednesday, August 25, 2021, 15:29: Roughing.


Thursday, August 26, 2021, 04:11: IG1 switched on. Vacuum @ 8.35e-06T - AS 

Thursday, August 26, 2021, 14:04 Water on, no spike in vacuum. IG1:2.6e-6T

Thursday, August 26, 2021, 14:37 HV rack closed, BIAS EE and EZL power supplies on.

Thursday, August 26, 2021, 15:03 BIAS/EE/EZL 10000/-1000/9000

Thursday, August 26, 2021, 15:08 BIAS/EE/EZL 30000/-1500/13000 1 spark just when reached 30kV.

Thursday, August 26, 2021, 15:28 Series of sparks restarted the controling PC. Back in control BIAS/EE/EZL 48000/-2500/22000

Thursday, August 26, 2021, 15:34 BIAS/EE/EZL 50000/-2500/22000

Thursday, August 26, 2021, 15:48 BIAS/EE/EZL 55000/-2800/24000

Thursday, August 26, 2021, 15:53 Ramping down.

Monday, August 30, 2021, 10:25 turbos off.

 

  733   Wednesday, June 19, 2019, 17:25 Fernando Maldonado      DoneThermocouple connection

Wednesday, June 19, 2019, 17:13  Ferran and Fernando tested the 9-pin connector to have a reading on a thermocouple following the connections used by Aurelia (see elog 721).

Wednesday, June 19, 2019, 17:24: Test succesful!

 

 

  989   Thursday, January 18, 2024, 10:44 Aaron Schmidt      DoneThermal tests 2

December 18 - January 15. Were not logged. Placed holder. Aurelia's tests. Included thermocouples in the oven & ionizer.

  985   Thursday, November 16, 2023, 09:43 Aaron Schmidt LP-SIS    In progressThermal tests

Aurelia has been testing on the ISAC TS since last week. Thermocouples are installed in the end cap, left side & the ionizer.

No elog was initiated, but much has happened.

Site wide power outage on Friday/Saturday caused problems. The TS was running at that time & was also affected. Reboots occurred on the weekend & testing resumed. IG6 was reset yesterday.

Thursday, November 16, 2023, 09:30: IV4 closed. TP6, TP2, TP1B, TP1A off. IG6 & IG1 off. PS off.


Thursday, November 16, 2023, 13:11: TP6 & TP2 restarted.


Monday, November 20, 2023, 12:06: IV4 closed. IG6 off. TP6 & TP2 off.

Monday, November 20, 2023, 12:42: Venting beamline side.

  353   Thursday, January 02, 2014, 11:53 Anders Mjos      Problems/SolutionsThe computer will not boot Windows

The computer has been brought over to PC support for diagnostics. 

Hard Drive was found to be corrupted. A new HD will be installed and Windows upgraded to a newer version.


Thursday, January 16, 2014

The PC has gotten a new HD with Windows 8.

Xming and PuTTY installed and configured for access to EPICS controls

  404   Thursday, September 25, 2014, 15:44 Anders MjosThO#1 ITWTM140282-5 DoneThO#1 Heat Shield Conditioning

Thursday, September 25, 2014, 15:44: Roughing

Thursday, September 25, 2014, 16:06: Starting turbos

Thursday, September 25, 2014, 16:14: Turbos at speed.

Thursday, September 25, 2014, 16:28: Vacuum at 1.9E-5 T


Vacuum was coming down slowly yesterday. Vented this morning to clean o-ring on door.

Friday, September 26, 2014, 08:40: Roughing

Friday, September 26, 2014, 09:02: Starting turbos

Friday, September 26, 2014, 09:10: Turbos at speed

Friday, September 26, 2014, 09:12: Vacuum at 9.7E-6 T


Monday, September 29, 2014, 08:40: Water opened for HS circuit. Vacuum stable at 1.8E-7 T

Monday, September 29, 2014, 13:51: Opened and closed IV4


Wednesday, October 01, 2014, 13:13 : Target cooled down.


Monday, October 06, 2014, 09:10: Turbos stopped. Vacuum at 1.3E-7 T

Monday, October 06, 2014, 10:49: Venting


Tuesday, October 07, 2014, 09:31: Heat Shield removed

  973   Thursday, July 13, 2023, 07:37 Aaron Schmidt       Tests - Aurelia L

Thursday, July 13, 2023, 07:37: Chamber is vented. Beamline is vented. Interlock bypassed on TPS:IV4 - AS

  503   Wednesday, April 13, 2016, 13:03 Aaron Schmidt LP-SIS  41790-239956-8 Testing restraint insulator prototype (2)

Wednesday, April 13, 2016, 13:03: Begin roughing. (Plasma electrode in. Salts in)

Wednesday, April 13, 2016, 13:34: Turbo pumps started.

Wednesday, April 13, 2016, 13:39: Ion Gauge on.


Thursday, April 14, 2016, 08:13: Open water to heat shield. Vacuum stable at 3.3E-7T.

Thursday, April 14, 2016, 08:19: Isolation valve opened. Auto ramping TGHT/TBHT to 300A/200A @ 2A/min.

Thursday, April 14, 2016, 08:33: Turned on optics. BIAS/EZL/EE to 30/13/1.5kV.

Thursday, April 14, 2016, 15:20: Ramping down TGHT from 300A to 250A @ 2A/min.


Friday, April 15, 2016, 8:23:  Slow ramping TGHT to 300A/ @ 1/2A/min.

Friday, April 15, 2016, 10:30: Begin ramping down TGHT/TBHT. @3A/2A per min.

Friday, April 15, 2016, 12:54: Sources off.

Friday, April 15, 2016, 13:09 :Water lines purged & power down.


Monday, April 18, 2016, 08:23: Opened water. Auto ramping TGHT/TBHT to 300A/200A @ 3A/2A per min. BIAS/EZL/EE to 30/13/1.5kV

Monday, April 18, 2016, 09:58: Ramping TBHT to 230A @ 2A/min

Monday, April 18, 2016, 12:54: Sources off. Ramping down @ 2A/min.


Tuesday, April 19, 2016, 09:37 : BIAS and EE off - AM

Tuesday, April 19, 2016, 15:30: Water, Ion gauge and Turbos off. 


Thursday, April 21, 2016, 13:41: Venting - AM

Attachment 1: Anode_Voltage_and_EE_(neg_bias).xlsx
Attachment 2: Anode_Voltage_and_EE_(pos_bias).xlsx
Attachment 3: RP#1_(2).docx
  502   Monday, April 04, 2016, 11:33 Aaron Schmidt LP-SIS  41790-239956-8In progressTesting restraint insulator prototype

Monday, April 04, 2016, 11:31: Begin roughing. (No plasma electrode)

Monday, April 04, 2016, 12:47: Started Turbos and Ion gauge


Tuesday, April 05, 2016, 09:09: Open water, Vacuum increased from 3.7E-07 to 2.2E-06 (roughly). Leak detected, Confirmed via RGA, Water increased from 7.0E-7T to 5.8E-6T.

Tuesday, April 05, 2016, 09:17: Turbo Pumps stopped. Ion gauge shut off. RGA off.

Tuesday, April 05, 2016, 10:28: Venting for inspection.

Tuesday, April 05, 2016, 11:31: Inspect, re-tighten with new seals.. Begin roughing.

Tuesday, April 05, 2016, 11:54: Turbo pumps started.

Tuesday, April 05, 2016, 11:59: Ion gauge turned on.

Tuesday, April 05, 2016, 15:45: Opened water for heat shield. Vacuum stable @ 6.4E-7T - 6.8E-7T.

 Tuesday, April 05, 2016, 16:07: Vacuum stable @6.4E-7T.


Wednesday, April 06, 2016, 09:09: Started auto ramping up to 500A and 200A at 2A/min BIAS/EZL/EE to 30/13/1.5 KV

Wednesday, April 06, 2016, 09:22: Opened IV4. Switched on optics.

Wednesday, April 06, 2016, 14:29: Continue auto ramp up to 580A and 230A at 2A/min.


Thursday, April 07, 2016, 13:30: Most of the salts have evaporated FC0: at 3E-10A

Thursday, April 07, 2016, 14:10: Ramp down 2A/min.


Friday, April 08, 2016, 08:57: Ramp up 2A/min to 100A and 50A. ANODE to 200V.

Friday, April 08, 2016, 13:50: Ramp up 2A/min to 500A and 200A.


Monday, April 11, 2016, 08:29: Ramp up 2A/min to 580A and 230A. Vacuum stable @ 2.9E-7T

Monday, April 11, 2016, 09:44: ANODE current increased from 0 to 16 mA during the ramp up. -AM

Monday, April 11, 2016, 11:36: Increased TGHT voltage limit to 7.35 V. ANODE current now at 18 mA -AM

Monday, April 11, 2016, 16:00: BIAS / EZL / EE to 30 / 13 / 1.5 kV -AM


Tuesday, April 12, 2016, 08:47: Ramp Down 2A/min 230A to 200A TBHT only.

Tuesday, April 12, 2016, 09:31: Ramp Down 2A/min 580A to 500A TGHT only.

Tuesday, April 12, 2016, 13:55: Ramp up 2A/min 500A to 580A TGHT only.

 Tuesday, April 12, 2016, 15:43: Ramp up 2A/min 580A to 590A, Voltage limit increased to 7.50 TGHT only.

Tuesday, April 12, 2016, 15:59: Ramp down 2A/min and 1A/min.


Wednesday, April 13, 2016, 08:04 : RGA off.

Wednesday, April 13, 2016, 08:20: Source off. IV4 closed. Turbo pumps off.

Wednesday, April 13, 2016, 09:38: Venting.

Wednesday, April 13, 2016, 10:59: Venting paused.

Wednesday, April 13, 2016, 11:03: Venting Continued.

Wednesday, April 13, 2016, 11:24: Venting complete. RP#1 removed. (No plasma electrode).

Attachment 1: Anode_Voltage_VS_Current.xlsx
Attachment 2: TS-2016-04-05_Restraint_Test.rga
Attachment 3: TS-2016-04-13_Restraint_Test.rga
Attachment 4: RP#1.docx
  459   Monday, August 10, 2015, 18:01 Anders Mjos LP-SIS    In progressTesting new center block target

Installed thermocouples:
T1: TGHT tube left side, inside
T2: TBHT restraint
T3: Centre block top, outside

Monday, August 10, 2015, 18:01: Turbos started

Monday, August 10, 2015, 18:11 : Turbos at speed. Vacuum at 1.5E-5 T


Tuesday, August 11, 2015, 09:04: Opened water for HS. Vacuum stable at 5.2E-7 T. No response on RGA

Tuesday, August 11, 2015, 09:09 : Started auto-ramping to 250/100 A at 2/1 A/min.

Tuesday, August 11, 2015, 11:45: T1 857 C, T3 206 C (T2 no signal)

Tuesday, August 11, 2015, 11:45: Continue auto-ramping to 580/200 A.

Tuesday, August 11, 2015, 15:30: T1 1467, T3 816 at 580/230 A

Tuesday, August 11, 2015, 15:40: Starting cool down.


Wednesday, August 12, 2015, 09:40: Stopped turbos.

Wednesday, August 12, 2015, 13:20: Venting

The Centre block t/c was touching the TBHT terminal. Bent the t/c away from the TBHT terminal

Wednesday, August 12, 2015, 14:05: roughing

Wednesday, August 12, 2015, 14:48: Started turbos


Thursday, August 13, 2015, 09:06: Opened water for HS. Vacuum stable at 3.8E-7 T. No response on RGA

Thursday, August 13, 2015, 09:06: Started auto-ramping to 250/100 A at 2/1 A/min.

Thursday, August 13, 2015, 10:09: Aborting auto-ramping. Starting cool down. T/C shorts centre block to HS and may affect TGHT/TBHT current.

Thursday, August 13, 2015, 11:17: Turbos stopped.

ELOG V2.9.2-2455