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Click here to add footer 1 Ludovic Grand-Clément & Hervé Prin 08/12/2014.

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Presentation on theme: "Click here to add footer 1 Ludovic Grand-Clément & Hervé Prin 08/12/2014."— Presentation transcript:

1 Click here to add footer 1 Ludovic Grand-Clément & Hervé Prin 08/12/2014

2 Click here to add footer 2 Outlook Introduction Dipole Overview MBBR & MBBL MBAR & MBAL 11T Electrical circuit: Chosen solution Trim: Conduction cooled Slots concerned & wiring in the LHC MBAR: MB.B10L7 & MB.B8L7 MBAL: MB.A10R2 MBBR: MB.A10L2, MB.B8R7 & MB.B10R7 MBBL Quality assurance Procedure Test program Conclusion Ludovic Grand-Clement

3 Click here to add footer 3 Introduction 11T : Electrical integrity challenge Small amount of space Trim circuit to add 4 NbTi magnet variants to cover MB NbTi 11T Nb3Sn Collimator Ludovic Grand-Clement

4 Click here to add footer 4 Outlook Introduction Dipole Overview MBBR & MBBL MBAR & MBAL 11T Electrical circuit: Chosen solution Trim: Conduction cooled Slots concerned & wiring in the LHC MBAR: MB.B10L7 & MB.B8L7 MBAL: MB.A10R2 MBBR: MB.A10L2, MB.B8R7 & MB.B10R7 MBBL Quality assurance Procedure Test program Conclusion Ludovic Grand-Clement

5 Click here to add footer 5 Dipole -1 Overview 2 x 10 x auxiliaries bus bars (spool pieces) 14 or 18 go through 6 or 2 supply corrector 4 x quadrupole bus bars 2 x focusing 2 x defocusing 2 x dipole bus bars 1 go through 1 supply dipole coils in serial 1 x protection diode In parallel of the coils N line Internal Ludovic Grand-Clement External

6 Click here to add footer 6 Dipole -2 MBBR & MBBL MCSMB M3 M1 & M2 (auxiliaries bus bars) 10-20 Int MCSMB M3 M1 & M2 (auxiliaries bus bars) 10-20 Int R L Bus bar M3 intern powers coils Spool pieces #10 & #20 supply MCS correctors Diode is left or right Ludovic Grand-Clement

7 Click here to add footer 7 Dipole -3 MBAR & MBAL MCSMB M3 M1 & M2 (auxiliaries bus bars) 9-19 Ext MCSMB M3 M1 & M2 (auxiliaries bus bars) 9-19 Ext R L Bus bar M3 extern powers coils Spool pieces #1 #11 supply MCO correctors Spool pieces #3 #13 supply MCD correctors Spool pieces #9 & #19 supply MCS correctors Diode is left or right MCO MCD 1-3- 11-13 MCO MCD 1-3- 11-13 Ludovic Grand-Clement

8 Click here to add footer 8 Outlook Introduction Dipole Overview MBBR & MBBL MBAR & MBAL 11T Electrical circuit: Chosen solution Trim: Conduction cooled Slots concerned & wiring in the LHC MBAR: MB.B10L7 & MB.B8L7 MBAL: MB.A10R2 MBBR: MB.A10L2, MB.B8R7 & MB.B10R7 MBBL Quality assurance Procedure Test program Conclusion Ludovic Grand-Clement

9 Click here to add footer 9 11T -1 Electrical circuit: chosen solution MCDO/No MCS L/R MB M3 M1 & M2 (auxiliaries bus bars) 1-3- 11-13/ Go through 9-19/ 10-20 Ext/ Int Type A/TypeB Collimator MCS Dipole L/R M3 M1 & M2 (auxiliaries bus bars) Two standards 11T magnets: First with: One diode for both magnets MCD + MCO correctors always present and connected. Bypassed in case of B substitution Dipole Second with MCS correctors always connected to 9-19 Dipole, powered by the first magnet Ludovic Grand-Clement

10 Click here to add footer 10 11T -2 Trim : Conduction cooled Conduction cooled leads As DCF used by SSS Supplied by power converter Only one trim per pair of dipole is needful Collimator MCS Dipole L/R M3 M1 & M2 (auxiliaries bus bars) N line DFB (Power converter) P.C. Ludovic Grand-Clement

11 Click here to add footer 11 11T -3 MBAR: MB.B10L7 & MB.B8L7 Ludovic Grand-Clement

12 Click here to add footer 12 11T -4 MBAL: MB.A10R2 Ludovic Grand-Clement

13 Click here to add footer 13 11T -5 MBBR : MB.A10L2, MB.B8R7 & MB.B10R7 Ludovic Grand-Clement

14 Click here to add footer 14 11T -6 MBBL Ludovic Grand-Clement

15 Click here to add footer 15 Outlook Introduction Dipole Overview MBBR & MBBL MBAR & MBAL 11T Electrical circuit: Chosen solution Trim: Conduction cooled Slots concerned & wiring in the LHC MBAR: MB.B10L7 & MB.B8L7 MBAL: MB.A10R2 MBBR: MB.A10L2, MB.B8R7 & MB.B10R7 MBBL Quality assurance Procedure Test program Conclusion Ludovic Grand-Clement

16 Click here to add footer 16 Quality assurance -1 Procedure Experience of SC dipole & quadrupole Procedure to update Two documents: A procedure for all electrical tests A document indicating what test to use after each step Support of LMF-QA Ludovic Grand-Clement

17 Click here to add footer 17 Quality assurance -2 Test program Program Electrical test will be done after each step that could change electrical integrity Experience to SC magnets -> Program to update HV & discharge test Support of doc EDMS #126452: Design and test guidelines (P. Fessia, G. Kirby, J. C. Perez, F. O. Pincot) More test will be done on different elements of Nb3Sn cable in order to determine the maximal voltage value that could be apply to qualify magnet Internal External layers Visual R Insulation (SELV)) R[DC] L Pole Visual HV R[DC] L HV Discharge test Adding instrumentation R[DC] L Discharge HV Collaring R[DC] L, C HV Discharge Shell welding R[DC] L,C HV Discharge Final R[DC] L,C HV Discharge Ludovic Grand-Clement

18 Click here to add footer 18 Conclusion Electrical circuit schemes are clear Only one type of 11T Two variants depending of the diode polarity One trim per pair of 11T (1 MB dipole substitution) Quality assurance Procedure and test program to update To take into account the differences with actual SC magnet (insulation / manufacturing method) Maximal voltage to apply has to be determined Ludovic Grand-Clement

19 Click here to add footer 19 Thanks for your attention! Ludovic Grand-Clement

20 Click here to add footer 20 ANNEXES Ludovic Grand-Clement

21 Click here to add footer 21 Electrical scheme LHC Ludovic Grand-Clement

22 Click here to add footer 22 Test program -1 During cable insulation Visual Internal layer before drying Visual Internal after drying (with the mould) Insulation resistance (Very Low Voltage) Internal before winding of external layer Visual Internal & External after drying (with the mould) Insulation resistance (Very Low Voltage) Internal & External after drying VisualResistanceContinuityInductance Ludovic Grand-Clement

23 Click here to add footer 23 Test program -2 Pole after impregnation in the mould Dielectric HV Pole after impregnation, out of the mould VisualR(DC)Inductance Dielec (Coil/spacer/shim Discharge test (coil) After adding instrumentation R(DC) coil, QHs, other circuits (sensor …) Inductance (coil)DischargeDielectric (coil,QHs) Before collaring R(DC) coil, QH, inst0rum L, CHVDischarge coil & QH During collaring R(DC) coil After collaring R(DC) coil, QH, instrum L, CHVDischarge coil & QH Ludovic Grand-Clement

24 Click here to add footer 24 Test program -3 After collaring R(DC) coil, QH, instrum L, CHV Discharge coil & QH Under load before welding R(DC)HV During each welding pass R(DC) After shell welding R(DC)CLHVDischarge After longitudinal coil loading R(DC)CLHVDischarge After interconnection R(DC)CLHVDischarge Final R(DC)CLHVDischarge Ludovic Grand-Clement

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