Difference between revisions of "Solenoid Coil Test in Test Lab"

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** Area has two 25T cranes, but need both (and spreader bar) to lift heaviest yoke (45 tons).
 
** Area has two 25T cranes, but need both (and spreader bar) to lift heaviest yoke (45 tons).
 
** Need come-alongs and anchors to move yokes and coils along rails.
 
** Need come-alongs and anchors to move yokes and coils along rails.
** Some areas will need to be roped off due to high B fields (> 5 Gauss, for pacemakers)
+
** Some areas will need to be roped off due to high B fields (5 G for pacemakers; other limits 60 G 8-hr body, 600 G 8-hr limb).
 
** May need to remove some fences.
 
** May need to remove some fences.
 +
** Magnet forces:  5 kG == 1 Atm, scales as square of B field.
  
  
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** Must account for magnetic forces on all structures, perhaps as much as 20-30 Gauss static B field.
 
** Must account for magnetic forces on all structures, perhaps as much as 20-30 Gauss static B field.
 
** Need support for heat exchanger.
 
** Need support for heat exchanger.
 +
** Electrical cables must be untouchable to 8 feet above floor.
  
  
Line 77: Line 79:
 
** Arrange for cryogen supply/return with Dana Arenius (and Kelly Dixon?)- George and Elliott
 
** Arrange for cryogen supply/return with Dana Arenius (and Kelly Dixon?)- George and Elliott
 
** Arrange for electrical infrastructure intallation - Mark S and Elliott
 
** Arrange for electrical infrastructure intallation - Mark S and Elliott
 +
** Find or order electrical switch and cables - Mark S
 
** Get heat exchanger support - Mark S
 
** Get heat exchanger support - Mark S
  
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* Power supply
 
* Power supply
 +
** Resides in Phsyics Storage bldg.
 +
** Uses 3-phase 480 V.
 
** 10V supply (5 V?)
 
** 10V supply (5 V?)
 
** Integral dump resistor.
 
** Integral dump resistor.
Line 114: Line 119:
 
* Coils and yokes
 
* Coils and yokes
 
** Are yoke modifications are needed?
 
** Are yoke modifications are needed?
 +
** Coil repairs will continue through summer 2009.
 +
** All must be leak-tested again.
  
 
* Controls system
 
* Controls system

Revision as of 10:24, 6 July 2009

Notes and To-Do lists for the solenoid coil tests this summer and fall.


Meetings


Top To-Do Items

  • Complete coil repair work - Kevin
  • Order cryo can and procure related components - George
  • Complete platform design and area layout - Wayne
  • Get magnetic field map for single coil, no cladding, fine scale - George
  • Get overall system diagram and controls strategy for Mark Wissman - George
  • Prepare PR's for controls equipment - Mark S and Elliott
  • Order platform components - George
  • Arrange for piping designer - George, Tim


Test Area

  • Notes:
    • Area in the test lab is 20'6" x 25'9", currently filled with coils and coil parts.
    • Bob Bennett is Test Lab "space czar."
    • Wayne is designing overall layout.
    • Will use SRF storage area for large power supply (6' x 5', 5' H, 5000 lbs) and switch (QWeak area unavailable).
    • Must maintain clear areas around racks and power supply, and cannot block pedestrian walkways.
    • Platform is 172" x 160", cryo can will sit on top.
    • Platform must be removed to swap coils, and all connections to it must be broken.
    • Area has two 25T cranes, but need both (and spreader bar) to lift heaviest yoke (45 tons).
    • Need come-alongs and anchors to move yokes and coils along rails.
    • Some areas will need to be roped off due to high B fields (5 G for pacemakers; other limits 60 G 8-hr body, 600 G 8-hr limb).
    • May need to remove some fences.
    • Magnet forces: 5 kG == 1 Atm, scales as square of B field.


  • To Do:
    • Look into getting space in adjacent areas - George
    • Look into possibility of locating computer in control room (contact Joe Preble, Mark Drury)- Elliott
    • Distribute Floyd's B field map for single coil, no cladding - George
    • Determine location of all components - Wayne
    • Investigate sensitivity of electronic equipment to B fields - Elliott
    • Find spreader bar - George
    • Determine areas to be roped off due to high B field - Floyd, George
    • Prepare area for installation - Mark S, others


  • Done
    • Enable building access for everyone - Elliott - done 19-Jun-2009 (same requirements as access to Cebaf Center)


Infrastructure

  • Notes:
    • Platform borrowed from Hall A.
    • Must be moved to replace coils, 4-point lift.
    • Rails currently at IU.
    • Have or can borrow all material moving equipment, or will contract out to rigging firm.
    • Have or can borrow all tools needed.
    • Controls racks coming from Randy H or from computer center.
    • Need 60 W liquid He, Test Lab supply capable of 500 W, but share with Cryo group.
    • Must account for magnetic forces on all structures, perhaps as much as 20-30 Gauss static B field.
    • Need support for heat exchanger.
    • Electrical cables must be untouchable to 8 feet above floor.


  • To Do:
    • Produce overall system diagram - George
    • Design structures and mechanical components, route cables and piping, etc. - Wayne
    • Arrange for piping designer - George
      • Design piping to vent N2.
      • Design warm and cold He supply/return systems, LN2 supply system.
      • Determine if any ODH considerations for N2 vent.
    • Retrieve rails from IU - George and Elliott
    • Get three racks from Randy H or from CC - Mark S and Elliott W
    • Determine cryogen supply/return needs - George
    • Arrange for cryogen supply/return with Dana Arenius (and Kelly Dixon?)- George and Elliott
    • Arrange for electrical infrastructure intallation - Mark S and Elliott
    • Find or order electrical switch and cables - Mark S
    • Get heat exchanger support - Mark S


  • Done


Components

  • Platform
    • Entire platform and supports will be moved when changing coils.
    • Must account for magnetic forces.
    • Ladder needs to be shortened and straightened.
    • Must include cable trays and strain relief, especially for power connections.
  • Rails
    • Currently in transportainer at IU, George will have a look when he goes out there.
  • Cryo can and heat exchanger
    • RFQ out for cryo can, no delivery date yet.
    • Heat exchanger from Hall A.
  • Piping
    • Not clear where N2 vent will be routed.
    • Must incorporate drip pan under N2 vent due to icing.
    • May be ODH considerations.
  • Electrical power
    • Need to work out where outlets are needed.
  • Power supply
    • Resides in Phsyics Storage bldg.
    • Uses 3-phase 480 V.
    • 10V supply (5 V?)
    • Integral dump resistor.
    • Need switch nearby.
    • Cables not water-cooled. 1.5" diameter cables, 1" copper.
  • Coils and yokes
    • Are yoke modifications are needed?
    • Coil repairs will continue through summer 2009.
    • All must be leak-tested again.
  • Controls system
    • Is anything sensitive to B fields?
    • Will wire up as per final four-coil system.
    • Should we go with separate chassis for each coil?
    • Own DIN-mount RS232 module, can borrow power supply and ControlNet module from Steve L.
    • Steve L has cable and terminators, may need T-taps.
    • Not clear where computer will be located.
  • Misc tools, tables, chairs, ladders, etc.
    • What do we need? Can we beg, borrow, and/or steal?


  • To Do:
    • Complete JLab and IUCF coil repairs - George
    • Understand how to deal with dump resistor in power supply - Mark S
    • Order cryo can - George
    • Verify all cryo transfer lines and U-tubes are available on site - Mark S and George
    • Order remaining piping - ?
    • Design cryo and electrical break system for cryo can - George and Mark S
    • Arrange for yoke modifications if needed - George
    • Determine if sensible to use one PLC chassis per coil - Mark S and Elliott
    • Get heat exchanger - Mark S
    • Ensure we have all tools needed - Mark S and Elliott


  • Done
    • Verify we can borrow heat exchanger from Hall A - Mark S - done 2-Jul-2009


Programming

  • Notes:
    • Mark W will do all programming.
    • Can borrow lots of code from Steve Lassiter and co.
    • Single computer will perform all control and monitoring tasks.


  • To Do:
    • Install new memory in controls computer - Elliott and Mark W
    • Purchase new software licenses - Elliott
    • Install all software on controls computer - Mark W
    • Borrow code from Steve Lassiter - Mark W
    • Explain overall control strategy to Mark W - George
    • Determine what needs to be archived and how often - George
    • Set up controls hardware in Mark W's office - Mark W and Elliott
    • Design and implement full control and archiving system - Mark W


  • Done


Staging

  • Notes:
    • Will instrument controls racks in F117, then move to Test Lab.
    • Will instrument for final 4-coil system.


  • To Do:
    • Rearrange F117 - Mark S and Beni
    • Get and move 3 racks into F117 - Mark S
    • Verify adequate staging areas available in Test Lab - George, Wayne and Mark S


  • Done


Reviews

  • Notes:
    • Bob May and Paul Collins are contacts with EHS&Q for safety documentation and reviews
    • Need cryo, electrical, mechanical, and operations reviews.
    • Suresh Chandra will (internally) review structural aspects of the new platform and related components.
    • There will be a DOE (I think) magnet review on Oct 2009.


  • To Do:
    • Write appropriate documentation - George, Mark S, Wayne and Elliott
    • Set up all reviews - George and Elliott


  • Done
    • Mini-review of PLC vendor choice (Report from Omar Garza and Jonathan Creel) - done 15-Jun-2009
    • Write thank-you letter to Jonathan Creel and Omar Garza for participating in PLC vendor review - Elliott - done 24-Jun-2009
    • Contact EH&S group concerning documentation and reviews - Elliott - done 29-Jun-2009


Construction

  • Notes:
    • Do we have enough manpower?
    • What training do we all need?


  • To Do:
    • Get appropriate training - All
    • Arrange for any coil or yoke modifications - George
    • Order controls equipment - Mark S and Elliott
    • Arrange for telephone and networking in test area - Elliott
    • Arrange for installation of electrical infrastructure - Mark S
    • Wire up controls racks - Mark S
    • Move controls racks to Test Lab - Mark S
    • Move computer to Test Lab - Mark W and Elliott
    • Install all components - Mark S
    • Hook up controls system - Mark S, Mark W and Elliott
    • Verify operation of control/archiving system - Mark W, Mark S, George and Elliott


  • Done


Coil Tests

  • Notes:
    • Purpose:
      • Verify correct operation of all coils.
      • Measure coil strains up to full current (1600 A).
    • Will take about one month per coil.
    • Will take a few days to cool down a single coil (warm up?).


  • To Do:
    • Create test plan - George


  • Done