Friday, February 22, 2013, 13:02, Bevan Moss, Conditioning Station, Development, TM4, CS Test Target #1, HV test with Water
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Hello Ray and Yi
Completed a HV test with the water flowing today.
8.96 Mohm |
Wednesday, May 15, 2013, 18:12, Bevan Moss, Conditioning Station, Standard Operation, TM3, No source tray, HV test repeat
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After discussion with Friedhelm it was decided to continue trying to condition the module today before moving it tomorrow. The voltage was quickly
raised until 40 kV where it was left for ~30 minutes. Sparking was minimal. It was then slowly raised to 44.3 kV it held this voltage for ~8 minutes when
the current started to climb (remained below 200uA as set as a limit in previous tesing). There was also sparking at this point. This continued for ~2.5 |
Tuesday, April 24, 2012, 10:36, Bevan Moss, Conditioning Station, Standard Operation, TM1, Nb#6, HV test April 23
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A HV test was complete on TM1 with Friedhelm, David, and Myself. The module behaved as it has in other tests. The vacuum achieved was 1.6 x 10^-6
in the diagnostics box, 2.3 x 10^-6 in the containment box, and 8.6 x 10^-7 in the service cap. Maximum voltage without continuous sparking achieved was
27kV. Current was unstable varrying from 40 to 300 uA. This voltage was held for 10 minutes. |
Wednesday, May 14, 2014, 19:01, Grant Minor, ITE, Maintenance, TM3, , HV short inspection at ITE
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Friedhelm Ames commented to me that there appears to be a short between High Voltage and Ground at TM3 at ITE.
Friedhelm, Anders and I initiated a survey by Andrew from RPG, and entered the Target Hall at approximately 5pm to visually assess the HV cover
at the MAA. There was no clear indication of a problem. We opted to wait for David to return as we weren't sure exactly what we were looking |
Thursday, October 20, 2016, 14:17, Anders Mjos, ITE, Repair, TM4, SiC#34, HV enclosure inspection
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The HV enclosure and module connections were inspected by David and Anders on Wednesday 19th in an attempt to find any HV problems causing the
high leakage current. One cable was cable tied to a copper conductor in the chase. Some small pieces of loose material were removed. No obvious problems
could be detected. |
Thursday, November 24, 2016, 10:30, David Wang, Conditioning Station, Standard Operation, TM2, , HV cover is installed on TM2 at TCS
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Interlock key are returned back to B2 level.TM2 is ready for HV conditioning and heating up at TCS. |
Monday, November 16, 2015, 10:33, Anders Mjos, Conditioning Station, Standard Operation, , FEBIAD Test Target, HV conditioning by ISAC operators
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ISAC operators attempted HV conditioning over the weekend.
https://web.accel.triumf.ca/isac_elog/Elog_show_result.pl?inid=218447&style=entry
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Tuesday, December 03, 2013, 14:14, Bevan Moss, Conditioning Station, Standard Operation, TM2, , HV conditioning
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It was attempted to HV condition TM2 to 55kV and leave it operating there for an hour to demonstrate stability. Unfortunately at 52.65kV a spark
destroyed the canbus controller. This controller had shown issues in the past but seemed to magically fixed itself. I will contact Hubert for another card.
Attached is is a screen shot of the stip tools. |
Monday, May 27, 2013, 16:07, Bevan Moss, Conditioning Station, Standard Operation, TM4, Ta #40, HV conditioning
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The HV conditioning reached a maximum of 44kV today before a spark took out the canbus card. I will attach the data once I have had a chance to
format it. |
Thursday, September 26, 2013, 14:55, Bevan Moss, Conditioning Station, Standard Operation, TM3, NiO#2, HV conditioning
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The first attempt at HV conditioning of TM3 with the new source tray and NiO#2 target installed. Conditioning so far has been very slow, with the
current increasing quickly to a maximum of 400uA. Voltage in these cases was lowered until the current was below 200uA. Attached is the raw data. It appears
the source tray and target are conditioning just there is either something burning off or there is localized poor vacuum. |
Thursday, September 26, 2013, 15:25, Bevan Moss, Conditioning Station, Standard Operation, TM3, NiO#2, HV conditioning
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Bevan Moss wrote:
The first attempt at HV conditioning of TM3 with the new source tray and NiO#2 target installed. |
Tuesday, November 19, 2013, 16:55, Bevan Moss, Conditioning Station, Standard Operation, TM2, , HV conditioning
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HV conditioning of TM2 continued today. At ~53.5kV the module started to spark externally to the HV cover. This is the first time the cover has
been tested to this high of a voltage due to the limitations of the modules. As such for the conditioning station to achieve 60kV while keeping the target
hall open of personnel the cover and cage will need to be modified. To continue with HV testing of TM2 the cover was removed and the target hall locked |
Monday, March 31, 2014, 13:22, Bevan Moss, Conditioning Station, Standard Operation, TM4, Ta #42, HV conditioning
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TM4 with Ta#42 was HV conditioned to 35kV with the optics tray at 17.5kV. There was some vacuum response while ramping but well within normal.
Attached is a screen shot and the associated data. |
Thursday, April 10, 2014, 14:03, Bevan Moss, Conditioning Station, Standard Operation, TM3, TiC#4, HV conditioning
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The TiC#4 target that is on TM3 was conditioned to 25kV today with the EINZEL lens at 12.5kV. There was one spark shortly after reaching 25kV that
reset the bias PS and another one after the module sat at 25kV for ~30 minutes. Attached is the strip tool data and screen shot. Prior to starting
the conditioning the power on the chiller needed to by cycled as the VFD on the fans had tripped due to a recurring inrush problem. |
Friday, November 15, 2013, 16:48, Bevan Moss, Conditioning Station, Standard Operation, TM2, , HV Testing
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High voltage testing was started on TM2 with no source tray today. The maximum stable for 1 minute voltage reached was 47.5kV but the module is
still conditioning. With every step up in voltage the current goes up a large amount and slowly bleeds down. Large sparks disrupts the connection of the
CANBUS to the PS which is irritating but the module can be brought up to the equivalent voltage in less than 30 seconds. Attached is a screen shot of most |
Monday, November 18, 2013, 16:42, Bevan Moss, Conditioning Station, Standard Operation, TM2, , HV Testing
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The Glory of TM2 continues 100V at a time. Today I brought the module to 46kV and left it there for 1 hour. During this time there was only 1 spark.
I then continues at up to 53kV. At this voltage the canbus continues to be temperamental when the module sparks. The module is still conditioning and I
will continue more tomorrow. Attached is the dumped data and a screen shot of the conditioning from 46kV to 53kV. |
Tuesday, September 13, 2016, 13:52, Anders Mjos, Conditioning Station, Standard Operation, TM3, , HV Test with new insulators on Service Cap (vacuum to air)
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Tuesday, September 12, 2016, 10:00: RGA on
Tuesday, September 13, 2016, 13:52: Source on
Tuesday, September 13, 2016, 13:55: BIAS / EL at 10 / 5 kV |
Friday, August 12, 2016, 10:59, Anders Mjos, Conditioning Station, Development, TM3, , HV Test with Service Chase Panel removed
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Water cooling is performed manually with CP1. RGA is ON since yesterday. EE is not connected and in conditioning mode.
Friday, August 12, 2016, 10:43: BIAS at 10 kV, EL at 0.5 kV. IG1 at 1.8E-6 T
Friday, August 12, 2016, 11:04: BIAS at 20 kV |
Tuesday, April 23, 2013, 11:19, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, HV Test All common
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A HV test was conducted yesterday on TM3. There was no target and all items were tied to common or ground. The conductivity of the water ranged
from 7.1 to 7.5 Mohm. 40kV @ ~600uA without continuous sparking was achieved. The Strip tool was run but something went wrong with the export and the vacuum
gauge data is missing. I have attached the file for reference and the pulled data from the achiver (only logs every 300 seconds). RGA scans were taken |
Monday, May 13, 2013, 15:10, Bevan Moss, Conditioning Station, Standard Operation, TM3, N/A, HV Test All common
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Bevan Moss wrote:
A HV test was conducted yesterday on TM3. There was no target and all items were tied to common |
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