Difference between revisions of "Solenoid dumps"

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== Unintended current dumps ==
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== Unintended Magnet Dumps ==
 
The list is in the reverse chronological order. It does not include very early times.
 
The list is in the reverse chronological order. It does not include very early times.
  
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|-
 
|-
 
| Date || Time || Current, A || Ramp, A/s || PXI file || LOG || Coil 2 spike? || Cause  
 
| Date || Time || Current, A || Ramp, A/s || PXI file || LOG || Coil 2 spike? || Cause  
 +
|-
 +
| 2016/04/27 || 18:37:23 || 1345 || 0. || pxi_20160427_182709.root || [https://logbooks.jlab.org/entry/3403163 log ] || no
 +
  | MPS trip
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|-
 +
| 2016/04/08 || 14:41:08 || 1200 || 0. ||  || [https://logbooks.jlab.org/entry/3396433 log ] || not checked
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  | Unknown - a fuse in the MPS?
 
|-  
 
|-  
 
| 2016/04/05 || 13:44:16 || 1200 || 0. || pxi_20160405_133835.root || [https://logbooks.jlab.org/entry/3395527 log ] || after
 
| 2016/04/05 || 13:44:16 || 1200 || 0. || pxi_20160405_133835.root || [https://logbooks.jlab.org/entry/3395527 log ] || after

Revision as of 02:42, 1 February 2017

Unintended Magnet Dumps

The list is in the reverse chronological order. It does not include very early times.

Date Time Current, A Ramp, A/s PXI file LOG Coil 2 spike? Cause
2016/04/27 18:37:23 1345 0. pxi_20160427_182709.root log no MPS trip
2016/04/08 14:41:08 1200 0. log not checked Unknown - a fuse in the MPS?
2016/04/05 13:44:16 1200 0. pxi_20160405_133835.root log after Refrigerator trip
2016/03/28 09:03:29 508 0.2 pxi_20160328_090140.root log after QD was triggered (marginally) by a 2s-long negative voltage excursion on Coil 2. A spike followed 0.15s after the dump.
2016/03/23 12:49:29 800 0. pxi_20160323_124313.root log no lead flow transient
2016/02/12 09:45:59 300 0. log not checked Slow dump (cause uncertain) triggered QD and fast dump
2016/02/07 17:08:30 890 0.12 pxi_20160207_170730.root log after Slow dump (cause uncertain) triggered QD and fast dump
2016/02/07 14:38:25 1000 0. pxi_20160207_142631.root log no Slow dump (cause uncertain) triggered QD and fast dump