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Powering test - Monday 14.05 -

Done on Monday 14.05.2007

9:30 PCC on 120A correctors of DFBMC/A
10:30 Deconsignation of Q5-Q4 PC
11:00 Problems with Q5 – Water faults – TS/CV came at 13:30 – they cleaned the filters – Problem recovered.
14.30 AB-PO started to tests D2 with a 60A PC connected to the magnet (circuit definition)– DC cable disconnected from PC side.
14:42 Logging not working. Need to disactivate and re-activate the SOC from SOC editor to restore it. Monitoring problem RCBCH5 and RCBCV5 stopped transmitting data to the monitoring system. Expects contacted. System restarted. Problem disappeared. Systected 'middleware' problem in the network - problem is known and happens once a week.
14.50 Create and activate new SOC named PCC_IPDQ140507 with circuits RQ4.L8 RQ5.L8 and RD2.L8.
15.30 Deconsignation of QH for Q5-Q4-D2
16.30 PCC tests for SOC PCC_070510 finished (corrector circuits DFBMA/C)
16:40 Testing communication between cryo-maintain signal and PIC, DFBMA,DFBMC
16.45 End of the RD2.L8 charaterization
17.30 RQ4.L8B1 and RQ4.L8B2 ready for PCC
17.30 QPS detecting voltages of around ~40-50mV from the magnet protection and trip the PC (not current leads). These trips occur immediately after attempting to ramp the power converters. Note that the QPS trip threshold was reduced from 100mV to 20mV.
18.30 Same problem on Q5.
19:00 Tests end

Schedule for Tuesday 15.05.2007 in sector 7-8

WHEN CONDITIONS FOR THE ElQA IN THE DFBAs ARE MET:

DFBAO ElQA continuity test
DFBAN ElQA continuity test

WHEN CONDITIONS FOR POWERING ARE MET (CRYO, MPP, MEL) IN THE POWERING SUBSECTOR ML8:

PC CONFIGURATION IN RQ4, RD2 AND RQ5

DFBMA RQ4.L8
RD2.L8

Balisage with flashing lights HCC
RQ4.L8
RD2.L8
Warn the QPS team that the main circuit will be powered HCC
RQ4.L8
RD2.L8
Unlock the corresponding quench heaters power supplies and charge AT/MEL
RQ4.L8
RD2.L8
Unlock and switch on the corresponding power converters AB/PO
RQ4.L8
RD2.L8
PC configuration
UP TO 100 A
AB/PO

DFBMC RQ5.L8

Balisage with flashing lights HCC
RQ5.L8 Warn the QPS team that the main circuit will be powered HCC
RQ5.L8 Unlock the corresponding quench heaters power supplies and charge AT/MEL
RQ5.L8 Unlock and switch on the corresponding power converters AB/PO
RQ5.L8 PC configuration
UP TO 100 A
AB/PO
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

**

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Topic revision: r1 - 2007-05-14 - BorisBellesia
 
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