Difference between revisions of "For the second coil"
From GlueXWiki
m |
m |
||
| Line 1: | Line 1: | ||
* Basic questions | * Basic questions | ||
| − | ** lag between field and current...are there turn-to-turn shorts? | + | ** lag between field and current...are there turn-to-turn shorts in coil 1? |
** what worked, what didn't for coil 1? | ** what worked, what didn't for coil 1? | ||
** what should we do differently for the next coil? | ** what should we do differently for the next coil? | ||
*** what coil will we test next? | *** what coil will we test next? | ||
| + | *** will we open up coil 4? | ||
** what might we consider doing differently in the hall? | ** what might we consider doing differently in the hall? | ||
| − | ** | + | ** prioritize into "must-haves", "should-haves" and "would-like-to-haves" |
** have we documented our experience? | ** have we documented our experience? | ||
| Line 13: | Line 14: | ||
*** minimize ice buildup | *** minimize ice buildup | ||
*** more heating/insulation on N2 vent line | *** more heating/insulation on N2 vent line | ||
| − | *** cold traps | + | *** do we need cold traps? |
** field polarity reversed | ** field polarity reversed | ||
** sub-coil inductances appear to be backwards | ** sub-coil inductances appear to be backwards | ||
| Line 20: | Line 21: | ||
** other wiring, cable and connector problems | ** other wiring, cable and connector problems | ||
** total coil inductance disagreement | ** total coil inductance disagreement | ||
| + | ** use matched current-limiting resistors | ||
** dynamic range adjustments | ** dynamic range adjustments | ||
** noise elimination | ** noise elimination | ||
| Line 28: | Line 30: | ||
** vapor-cooled lead blockage | ** vapor-cooled lead blockage | ||
*** can anything be done to avoid another one? | *** can anything be done to avoid another one? | ||
| − | *** cold traps | + | *** cold traps to prevent blockage? |
| − | *** heaters | + | *** heaters to melt blockage? |
** improve ability to adjust quench detector | ** improve ability to adjust quench detector | ||
*** bring test points to front panel | *** bring test points to front panel | ||
Revision as of 12:59, 17 December 2010
- Basic questions
- lag between field and current...are there turn-to-turn shorts in coil 1?
- what worked, what didn't for coil 1?
- what should we do differently for the next coil?
- what coil will we test next?
- will we open up coil 4?
- what might we consider doing differently in the hall?
- prioritize into "must-haves", "should-haves" and "would-like-to-haves"
- have we documented our experience?
- Puzzles and problems to be addressed before next coil test
- improve cryo system
- minimize ice buildup
- more heating/insulation on N2 vent line
- do we need cold traps?
- field polarity reversed
- sub-coil inductances appear to be backwards
- inductance seen on splices
- USB device wiring problems
- other wiring, cable and connector problems
- total coil inductance disagreement
- use matched current-limiting resistors
- dynamic range adjustments
- noise elimination
- slow dump doesn't work
- understand fast dump circuit
- measure fast dump resistances
- understand Danfysik ramp-down mechanism
- vapor-cooled lead blockage
- can anything be done to avoid another one?
- cold traps to prevent blockage?
- heaters to melt blockage?
- improve ability to adjust quench detector
- bring test points to front panel
- use matched resistors
- use new sensor for vapor-cooled lead voltage drop
- isolation and current-loop readout for critical signals
- interaction via Zener and Dataforth clipping
- UPS on Danfysik boards and contactor
- improve PLC cryo and MPS algorithms (in preparation for non-expert use)
- simplify many operations
- improve PLC early problem detection
- improve PLC cryo control under varying CTF operating conditions
- add more HMI screens (may need license upgrade)
- simplify existing screens
- additional HMI license, get second computer working
- more pre-defined trend plots
- did we ever implement guard shack notification?
- automated elog entries
- update drawings and documentation
- where is manpower to make improvements?
- what else?
- improve cryo system
