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Message ID: 622     Entry time: Thu Nov 3 09:18:49 2022
 Author: ND, IC, VK, VM 
 Status: New Solution 
 Type: Shift summary 
 Category: Ring 
 Important:
 Subject: Shift āf 3/11/2022 
 Icon:  

9:10 Air pressure: 8 bars, water resistivity 6,33Mohm

9:15 Modulator warm-up

9:20 Ronde zone modulateur

9:25 Ronde casemate

9:38 Health check: Pb vide et Alimentation

RI-CI/PS/STR.05-H.01 state=Alarm => Overvoltage => acquittee => OK

Deuc vannes vide fermee autour de la cavite RF =>  Ouverte

9:47 Croise par hasard deux personnes de Dalkia en intervention ...

10:02: Cyclage des aimants (tous dans IHM cycling) => certains aimants vont au dela de la limite de courant lors du cyclage => Cyclage a revoir...

10:20 Modulator interlock (bit 0 and 1)

10:40 OK (interface moduateur plantee?)

10:48 Trig => interlock

Trig@1000V

Pb vide

Trig@1090V

11:10 Scan charge phase

11:14 Chargement recette recipe_recipe_LI_TL_RI_20221021_16_15_04.txt

11:25 Beam found on TL/SST.02 with TL/DP.01=151.7 A

Min dispersion at Phase RF= 111

Changement de recette recipe_recipe_LI_TL_RI_20221020_15_31_20.txt

11:35 On TL/SST.03 the beam looks like Casper!

11:39 Beam in the ring

12:27 Ouverture Iris => 2mm, attenuateur => 330mm

Q=100pC

12h only few turns in the ring. Searching for the problem. Use recipie from Friday 21 October. Does not Help.

Found that QP 12 was OFF => turned ON. Optimized beam. Ri-C2 steerers were OFF.

Ring_saving function for saving orbit params in matlab.

Ring dipole 157-156 - better orbit, less  of beta excitations.

Work with correctors. HCOR=> all  0, orbit exist. Restart orbit correction with SVD to find  the new settings. Need to compare how different to the previous corrector values.

Same in vertical.

RCDS for injection optimisation.

TBT data not stable.

Quads and Sext +-5%

 

 

 

 

 

 

 

 

 

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