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Created by Main.MirkoPojer on 2007-05-07 - 22:54

Anti-condensation systems tested on DFBMA and DFBMC.

JPEG DSC03896b.jpg:
DSC03896b.jpg
Status of the DFBMA _ Plastic envelopes on all chimneys plus additional heater on top of the 120A-8leads-assembly and air blower in front of it (maximum power).
JPEG DSC03893b.jpg:
DSC03893b.jpg
Status of the DFBMC _ Plastic envelopes on all chimneys plus additional heater on top of both 120A-assemblies and air blower in front of them (minimum power).

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Created by Main.MirkoPojer on 2007-05-07 - 22:44

Temperatures, humidity and condensation status in Sector 7-8, Mon 7.

Position T [C] T_meteo [C] RH_meteo [%] T_portable [C] RH_portable [%] Condensation Dew Point [C] Time
DFBMC   20.6 48.0 20.4 50.8     20.45
Q6_L8 (120A) 9     19.4 52.2 Yes 9.3  
Q8_L8 (120A) 9     19.4 53.1 Yes 9.7 19.45
Q9_L8 (120A) 9.5     19.5 52.7 Yes 9.5  
Q10_L8 (120A) 9     19.0 53.7 Yes 9.4  
Q11_L8 (60A) 9.5     19.0 53.9 Yes 9.4  
Q12_L8 (60A) 9.5 18.6 51.4 18.3 55.5 Low 9.2 20.00
Q13_L8 (60A) 10     18.5 55.0 Yes 9.3  
Q14_L8 (60A) 9.5     18.4 55.4 Yes 9.3  
Q15_L8 (60A) 8.5     18.2 56.0 Yes 9.2 20.15

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Created by Main.MikeKoratzinos on 2007-05-07 - 19:34

RAT 7/5/2007

PDF RAT_20070507_last.pdf:
https://twiki.cern.ch/twiki/pub/HCC/BlogEntryPoint8x2007x05x07x19x23/RAT_20070507_last.pdf

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Created by Main.JacekSzkutnik on 2007-05-07 - 19:12

Programme for Tuesday 08.05.2007 in Sector 78

Schedule for Thursday 08.05.2007 in sector 7-8

GO ON WITH THE VALIDATION OF THE SEQUENCER FOR THE PROCEDURE Q4Q5

DFBAO RQ6.L8B1
RQ6.L8B2
Switch on the flashing lights around the chimneys of RQ6.L8 circuit in the DFBAO HCC
Unlock and switch on the RPHGB.UA83.RQ6.L8B1 and RPHGB.UA83.RQ6.L8B2 converters. AB/PO
Sequencer tests on powering procedures for 6kA magnets with 2 PCs ("Q4Q5" procedure) AB/CO

INTERVENTION OF THE GEOMETERS AT D2 Q4 (Beginning AT 9:00)

WHEN CONDITIONS FOR POWERING ARE MET (CRYO, MPP, MEL), EITHER IN THE DFBMA OR DFBMC, BEGIN WITH THE POWERING TESTS IN ML8

DFBMA RCBYVS4.L8B1
RCBYVS4.L8B2
RCBYHS4.L8B1
RCBYHS4.L8B2
RCBYV4.L8B1
RCBYH4.L8B2
RQ4.L8B1

Balisage with flashing lights HCC
RCBYVS4.L8B1
RCBYVS4.L8B2
RCBYHS4.L8B1
RCBYHS4.L8B2
RCBYV4.L8B1
RCBYH4.L8B2
Unlock and switch on the corresponding power converters AB/PO
RCBYVS4.L8B1
RCBYVS4.L8B2
RCBYHS4.L8B1
RCBYHS4.L8B2
RCBYV4.L8B1
RCBYH4.L8B2
PC Configuration (test of PC and magnet at minimum current) AB/PO
RQ4.L8 Warn the QPS team that RQ4 will be powered HCC
RQ4.L8 Unlock the quench heaters power supplies of Q5 and charge AT/MEL
RQ4.L8 Unlock and switch on the corresponding power converters AB/PO
RQ4.L8 PC configuration AB/PO
RCBYVS4.L8B1
RCBYVS4.L8B2
RCBYHS4.L8B1
RCBYHS4.L8B2
RCBYV4.L8B1
RCBYH4.L8B2
RQ4.L8B1
PIC2 HCC
AB/CO
AB/PO
AT/MEL
AT/ACR
RCBYVS4.L8B1
RCBYVS4.L8B2
RCBYHS4.L8B1
RCBYHS4.L8B2
RCBYV4.L8B1
RCBYH4.L8B2
RQ4.L8B1
P2N
(Up to PL1.31B)
HCC
AB/CO
AB/PO
AT/MEL
AT/ACR

DFBMC RCBCH5.L8B1
RCBCV5.L8B2
RQ5.L8
Balisage with flashing lights HCC
RCBCH5.L8B1
RCBCV5.L8B2
Unlock and switch on the corresponding power converters AB/PO
RCBCH5.L8B1
RCBCV5.L8B2
PC Configuration (test of PC and magnet at minimum current) AB/PO
RQ5.L8 Warn the QPS team that RQ5 will be powered HCC
RQ5.L8 Unlock the quench heaters power supplies of Q5 and charge AT/MEL
RQ5.L8 Unlock and switch on the corresponding power converters AB/PO
RQ5.L8 PC configuration AB/PO
RCBCH5.L8B1
RCBCV5.L8B2
RQ5.L8
PIC2 HCC
AB/CO
AB/PO
AT/MEL
AT/ACR
RCBCH5.L8B1
RCBCV5.L8B2
RQ5.L8
P2N
(Up to PL1.31B)
HCC
AB/CO
AB/PO
AT/MEL
AT/ACR

WHEN CONDITIONS IN ARC ARE MET GO ON WITH THE PROGRAMME FOR 60A CONVERTERS (ORBIT CORRECTORS) AND 120A (Q7 TO Q10 CORRECTORS) AS WELL AS THE ELQAs IN THE DFBAs

X: previous day - X : last day - O : Proposal

  PC_Config PNO.1 PNO.2 PNO.3  
RCBH11_L8B1 X X X X  
RCBV11_L8B2 X X X X  
RCBH12_L8B2 X X X O  
RCBV12_L8B1 X X X O  
RCBH13_L8B1 X X X O  
RCBV13_L8B2 X X X O  
RCBH14_L8B2 X X X O  
RCBV14_L8B1 X X X O  
RCBH15_L8B1 X X O O  
RCBV15_L8B2 X X O O  
RCBH16_L8B2 X X O O  
RCBV16_L8B1 X X O O  
RCBH17_L8B1 -       PC_Config/crowbar tests to be repeated
RCBV17_L8B2 -       PC_Config/crowbar tests to be repeated
RCBH18_L8B2 -       PC_Config/crowbar tests to be repeated
RCBV18_L8B1 -       PC_Config/crowbar tests to be repeated
RCBH23_L8B1 O        
RCBV23_L8B2 O        
RCBH24_L8B2 O        
RCBV24_L8B1 O        
RCBH25_L8B1          
RCBV25_L8B2          
RCBH27_L8B1          
RCBV27_L8B2          
RCBH28_L8B2          
RCBV28_L8B1          
RCBH29_L8B1          
RCBV29_L8B2          
RCBH31_L8B1          
RCBV31_L8B2          
RCBH32_L8B2          
RCBV32_L8B1          

  PC_Config PIC2 PNO.1 PNO.2 PNO.3 PNO.4  
RCBCH9_L8B1 -           PC_Config/crowbar tests and TFA missing
RCBCV9_L8B2 -           PC_Config/crowbar tests and TFA missing
RCBCH10_L8B2 -           PC_Config/crowbar tests and TFA missing
RCBCV10_L8B1 -           PC_Config/crowbar tests and TFA missing

Done on Monday 07.05.2007

SEQUENCER TESTS FOR THE PROCEDURE Q4Q5

DFBAO RQ6.L8B1
RQ6.L8B2
Balisage around the chimneys HCC
Unlock and switch on the RPHGB.UA83.RQ6.L8B1 and RPHGB.UA83.RQ6.L8B2 converters. Check of the short-circuit and the insulation. AB/PO
Sequencer tests on powering procedures for 6kA magnets with two power converters ("Q4Q5" procedure) AB/CO
Lock and switch off the RPHGB.UA83.RQ6.L8B1 and RPHGB.UA83.RQ6.L8B2 converters AB/PO

INSULATION TEST AT THE DFBMA : RESULT OK

CIRCUIT 60A RCBV12.L8B1 INTERVENTION BY AT/MEL: COPPER COIL PLACED AROUND A CURRENT LEAD

DRY BAGS AND VENTILATORS INTALLATION AT THE DFBMC AND DFBMA BY AT/ACR

“BAD QUALITY OF THE HELIUM LIQUID IN THE LINE C PREVENTED THE POWERING IN ML8 IN THE AFTERNOON”

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Topic revision: r1 - 2007-05-02 - JacekSzkutnik
 
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