Refilled TCS:TK2 from 10 in to 22 in using the newly installed valve.

Arthur installed a new Magna Power PS for the TGHT yesterday. The old power supply has been moved to Evaporator 2. The power supply was configured for remote operation and tested successfully with low current (30 A).

By Curtis. See Work Permit I2021-03-24-1 for details.

Adrian and co installed a new T to be able to add an instrument loop for O2 and pH monitoring on the low conductivity water systtem (photo). See WP I2021-04-09-4

Travis assembled and tested the steerer wires March 31st (see attached)

A contractor on site today for chiller maintenance. CP2 and CP3 circuit is leaking and shall not be used. CP1 can still be used. The contractor will contact Plant Group with a quote for repair and upgrades.

Tank refilled from 12 in to 25 in using the new valve.

Tuesday, February 04, 2025, 10:15

• Started voltage ramp up. Using 250 V increments.

 Tuesday, February 04, 2025, 12:07

• Current has got a bit noisy, starting at around 56.5 kV.
• Currently at 57 kV. Voltage is stable though.
  • Current is about 151 uA on average, with spikes up to 164 uA.
• Held at 57 kV for about 5 minutes, no drops in voltage, so continuing ramp.
• 57.25 kV
  • There is noise in the current each time the voltage is increased. It seems to calm down slowly, with the later noise/spikes being less frequent and lower magnitude.
  • Average current is about 151 uA. Spikes at the start were as high as 169 uA, and after about 8 minutes they are about 160 uA.
  • Held here for about 10 minutes before continuing ramp.
• I will try to get to 58 kV, and then back down to 57 kV to see if the current calms down and there is some sort of conditioning effect. If there is, I'm not sure of the mechanism since nothing is in vacuum.

Tuesday, February 04, 2025, 12:51

• Dropping down to 57 kV, the current was about 150 uA and there were no more noise spikes. Seems like conditioning. Going back to 58 kV and continuing ramp.

Tuesday, February 04, 2025, 13:09

• At 60 kV. Average current is about 187 uA initially, which could just be the average of the noise. It looks like it's dropping a few minutes later. About 10 minutes later, the current is 184 uA. 181 uA after 20 minutes.
• It's been stable for about 30 minutes now. No voltage fluctuations, noise in the current has been the same or decreasing.
• Current is about 177 uA after 80 minutes.

Tuesday, February 04, 2025, 14:36

• It's been 1.5 hours and the voltage has been stable the whole time. All is good. Ramping down.

Tuesday, February 04, 2025, 14:50

• Power supply off
• Data dumped to http://isacwserv.triumf.ca/onlylocal/isacdata/ITW_HV_test_shutdown2025.txt

Wednesday, February 05, 2025, 12:20

• Ed has the voltage already up to 1000 V. Starting further ramp up in 250 V increments.

Wednesday, February 05, 2025, 12:45

• Current was quite stable with basically no noise, and increasing with voltage until 57.5 kV, when the current spiked from 180 uA to a peak of 308 uA and the voltage dropped a little bit for a single data point. Kept it here for a few second and then dropped it back down a couple steps. Currently at 57 kV and the average current is about the same as before (181 uA), but the noise is significantly higher (+/- 10 uA).
• Been at 57 kV for about 5 minutes and no change in the noise. Will try continuing ramp.
• 57.25 kV: Current is ~193 uA with +/- 20 uA noise.
• Gonna go with 250 V step every 5 minutes from here on until 60 kV.

Wednesday, February 05, 2025, 13:17

• Seemed like it was having some trouble at 58 kV, and then at 58.25 kV it was fine for about a minute and just starting sparking constantly, and would not calm down after a minute. Some sparks caused a positive voltage swing up to 65 kV, and with currents as high as ~4000 uA.
• Ramped voltage down in steps back to 56.75 kV. It's still getting about 10-11 sparks per 5 minutes.
• Trying 56.5 kV. 8 sparks in 5 minutes, one positive.
• Trying 56.25 kV. 3 very small voltage drops in 5 minutes.
• Trying 56 kV. No voltage drops in 5 minutes. Current is on average ~204 uA, with +/- 20 uA of noise.

Wednesday, February 05, 2025, 15:02

• 1.5 hours at 56 kV. 2 small sparks over this time. Current was about 195 uA on average with about +/- 20 uA of noise. A spark will usually result in a change of the average current following the spark until the next.
• Ramping down voltage now. The amount of noise decreases quickly with voltage and is basically gone at 53 kV.
• Power supply off.
• Dumped data to https://isacwserv.triumf.ca/onlylocal/isacdata/ITE_HV_test_shutdown2025.txt

Conclusion: ITE seems good up to 56 kV.

The following controls-related items were installed for the SMP project:

- Cable tray

- Main control panel

- Motor starter box

- Wiring from limit switches and rotation motor to main control panel

- Air fittings at supply (quick disconnect)

- Main air supply hose from supply to control panel (quick disconnect)

- Air tubing from lid control valve at control panel to lid cylinders

Air fittings stem off existing air supply lines on the South wall, below a manual shutoff valve. A quick disconnect was installed. When SMP is not in use, manual shutoff valve should be left off.

Main control panel and motor starter box were mounted on the North wall. Wire duct runs from the main control panel to the grated floor. Cabling/air runs underneath the mezzanine platform, along existing and new cable tray, to the SMP.

Cable tray was installed on the South wall, from the corner to the SMP module. A cutout was made to accommodate for existing tubing. An additional ~1 ft. of tray will be added to the end, near the corner, at a future time.

Remainder of installation work to be done before commissioning:

- Mount and install new Opto-22 module
- Chain new Opto-22 module to existing one (power, comms) below mezzanine on North wall

TM4 has been moved from the South West silo to the South Hot Cell. New source tray, no target.

TM4 has been moved from the Conditioning Station to the South Hot Cell. No target.

TM2 was moved from ITE to South Hot Cell. Tantalum 58 target.

TM2 was moved from South Hot Cell to ITE. ZrC #8 target.

The wiring for the SMP remote control module was inspected by Joel Semilla (TRIUMF electrician). The module was plugged in to verify there were no issues. No changes were suggested, and then wiring was approved.

TM3 has been moved from the Middle-East silo to the South Hot Cell.

TM3 has been moved from the South Hot-Cell to the Middle-East silo.

TM4 has been moved from the Conditioning Station to the South Hot-Cell.

TM4 with UCx#27 target has been moved from the South Hot-Cell to the Conditioning Station.

TM4 has been moved from the Conditioning Station to ITW with UC#27 target.