June 25, 2013 Solenoid Meeting

Thursday June 25,2013 at 11am At Jefferson Lab, the meeting will be held in room TED 2504

Attendees

C. Rode, T. Whitlatch, E. Wolin, B. Flora (via Skype), E. Chudakov, J. Creel, G. Young, P. Ghoshal, George Biallas, Bill Schneider, Javier Gomez

Release 140A procedure (Rev C) - George Media:140A Rev C.pdf complete
Update hardware QD with new 10 turn pot and PLC with inductance algorithm - Elliot In work
Clean up refrigerator and get ready for cooldown - Jonathan - In work
Finalize write up of quench analysis, dump resistor and max current rationale - George In work
Continue low current ramp tests to categorize voltage spikes - Giles - In work
Write up high current portion of procedure (Rev D) - George Media:High Current Rev D.pdf1st cut out
Balance Power supply for 25H (if necessary based on 140A tests)- Giles In work- Parts received from Danfysik
Calculate what current we can safely run at at 5K 0.9K margin. Media:5K Quench Margins.pdf Complete
Set up meeting with Patrizia Tuesday for cooldown decision. Complete

Documents available at M:\halld_engineering\Solenoid\Commissioning\Response to Quench

Complete the 140A procedure including the quench balance and turn to turn short check not completed in the 15A test (to be completed and signed off by June 24) Complete
Continue repair of refrigerator (to be completed by June 25)
Update preliminary analysis of quench and rationale for dump resistor and max current (June 25)
Initial review of updated write up by Bill Schneider and Bob Flora (June 26)
Start refridge cooldown (to be started June 26th if agreed upon)
Complete and sign off maximum current plan and quench analysis(to be completed by June 29)
Start cooling magnet - July 8
Perform 140A testing ( to be completed by July 21)
Perform High current commissioning ( to be completed by July 23)
Map magnet (to be completed by July 28)