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MPP Workshop Status of Powering Interlocks I. Romera on behalf of MPE-MS MPP Workshop, 12 June 2015, I. Romera (TE-MPE)1.

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Presentation on theme: "MPP Workshop Status of Powering Interlocks I. Romera on behalf of MPE-MS MPP Workshop, 12 June 2015, I. Romera (TE-MPE)1."— Presentation transcript:

1 MPP Workshop Status of Powering Interlocks I. Romera on behalf of MPE-MS MPP Workshop, 12 June 2015, I. Romera (TE-MPE)1

2 MPS – Powering interlocks 37 Powering Interlock Controllers 1600 electrical circuits ~10000 superconducting magnets REMINDER: No critical upgrades during LS1, just relocation of 9 controllers in UL14/16 and USC55 MPP Workshop, 12 June 2015, I. Romera (TE-MPE)2

3 Commissioning status of magnet interlocks Powering test campaign – 5000 interlock tests executed during the Powering Tests to commission the SC circuits – Clients involved in the test: QPS, PC, CRYO, UPS, AUG and LASS – Most of the commissioning steps integrated in ACC_TESTING and validated using automated analysis tools in PMEA framework MPS commissioning during machine checkout phase – Commissioning steps described on the MPS procedure (EDMS 896390) – Verification that faults on the powering system are propagated to the BIS – Validation that each individual circuit can trigger a beam dump request to the BIS (through automated sequence to verify correct configuration, redundancy and timing delays) – All 32 BIS user interface boxes (CIBUs) have been electrically tested (in situ with BIS team) Powering interlock controllers reconfigured for RUN2 requirements – ESSENTIAL-UNMASKABLE: RB, RQD, RQF, RQX, RD1-4, RQ4-RQ10 – AUXILIARY-MASKABLE: RCS, RQT%, RSD%, RSF%, RQSX3, ROD, ROF, RCBXH/V and RCB% – NONE-NO_IMPACT: RCD, RCO, RQS%, RSS MPP Workshop, 12 June 2015, I. Romera (TE-MPE)3

4 Non-conformities on electrical circuits Circuits superlocked and removed from the PIC configuration: – RCOSX3.L2: Open circuit (EDMS 1203477) – RCOX3.L2: Open circuit (EDMS 1203478) – RCSSX3.L3: Open circuit (EDMS 1203479) – RCOSX3.L1: Open circuit (EDMS 948545) – RSS.A34B1: Short to ground in DSLC (LHC-MP3-EN-0005) Circuits repaired during LS1 and put back as AUXILIARY/MASKABLE: – RCBCHS5.L8B1 Circuits repaired but still having no impact… – RCO.A12B2 – RCO.A81B2 – RQS.R3B1 Faulty quench heaters => RQ4.R2 and RQ4.L8 are operating with 7 out of 8 heaters MPP Workshop, 12 June 2015, I. Romera (TE-MPE)4

5 Powering-related interlocks via software (1/2) Redundant opening of the 13kA EE switches through SIS – Implementation to request the opening of the 13kA EE switches via software to increase the reliability of the EE system – Exploits the existing interlock signals on PIC to monitor the status of the Quench Interlock Loop and force the opening of the EE switches – ECR which describes the motivation and details of the implementation (EDMS 1460332) – Implementation ready and to be commissioned during TS1 Quench interlock loop – Main dipole circuits MPP Workshop, 12 June 2015, I. Romera (TE-MPE)5

6 Powering-related interlocks via software (2/2) QPS checks before beam injection through SIS – Mechanism to verify the healthy state of the QPS systems before beam injection – Observed during operation that QPS_OK signals can toggle and inhibit injection – Temporary solution was to mask the interlock on the SIS – QPS experts are investigating the problem and a possible solution Quench heater power supply monitoring through LHC Circuit SCADA (WinCC) – Monitors the status of the quench heater power supplies and removes the QPS_OK in case of circuit protection risk – Automatic mail notification warning about degraded situation does not work anymore MPP Workshop, 12 June 2015, I. Romera (TE-MPE)6

7 MPS – Fast Magnet Current Change Monitors 26 monitors in the LHC and SPS-TLs No critical upgrades during LS1, just relocation of RD1.LR5 monitor in point 5 and control system renovation in SPS-TLs MPP Workshop, 12 June 2015, I. Romera (TE-MPE)7

8 Commissioning steps described on the MPS procedure (EDMS 896393) – All 26 user interface boxes (CIBUs) have been electrically tested (with BIS team) – Validation of dump thresholds at nominal current with no beam – Commissioning steps integrated in ACC_TEST for status tracking FMCM commissioning (1/2) 2015 (6.5TeV equivalent)2012 (4TeV equivalent) FMCMInom (A)Itrip (A)ΔI/I (%)Inom (A)Itrip (A)ΔI/I (%)ΔI/I (%) limitConformity SR3.RD3440.920040.840.19550342140.9340.830.244319570.035OUT OF RANGE SR3.RD34594.0040593.850.025925751363.8013363.70.027844870.035IN RANGE SR3.RQ4518.3500518.2580.017748625320.01319.940.0218743160.035IN RANGE SR3.RQ5546.1710546.070.018492377320319.930.0218750.035IN RANGE SR7.RD3440.930040.830.2443195740.9340.850.195455650.035OUT OF RANGE SR7.RD34594.0010593.820.030471329363.84363.750.0247361480.035IN RANGE SR7.RQ4550.4800550.4150.011807877337336.950.0148367950.035IN RANGE SR7.RQ5560.5660560.50.011773814343342.950.0145772590.035IN RANGE UA23.RBXWTVL574.4280574.320.018801312577.049576.920.0223551210.035IN RANGE UA23.RBXWTVR503.0220502.930.018289459503.024502.920.0206749580.035IN RANGE UA67.RMSD1753.7700753.640.01724664463462.90.0215982720.035IN RANGE UA67.RMSD2753.7700753.650.015919976463462.890.0237580990.035IN RANGE RD1.LR1628.558628.5250.005250112383382.960.0104438640.035IN RANGE RD1.LR5628.2970628.250.007480539383382.9620.0099216710.035IN RANGE Comparison between relative current deviations on LHC monitors (2012 – 2015) - FMCMs thresholds have been set for 7TeV operation (for max ΔV scenario) - Therefore sensitivity at 6.5TeV equivalent current is higher than at 4TeV MPP Workshop, 12 June 2015, I. Romera (TE-MPE)8

9 FMCM commissioning (2/2) Verification of orbit deviations and beam losses (at injection and flat-top) with pilot beams – All FMCMs have been commissioned at injection (no need to precycle the magnets) – Most critical circuits (RD1s and RD34s) tested as well at flat-top as EOF test – Test consists in verifying the trajectory evolution after switching OFF the PC Test on RD34.LR3 @ 04.06.2015 - Trajectory over 1024 turns at the same BPM with no visible changes on the beam orbit MPP Workshop, 12 June 2015, I. Romera (TE-MPE)9

10 Access Powering Interlocks Interlock that allows for short access with magnets powered at low current During LS1 a new PLC-based system has been installed in the CCR aiming to increase the dependability of the interface between the LASS and SIS System deployed and fully operational since May 2014 New Kontron computer installed in the CCR and FESA class to be deployed in TS1 Access Powering Interlocks MPP Workshop, 12 June 2015, I. Romera (TE-MPE)10 Courtesy of J.Wenninger

11 Validation of UPS distribution network Test campaign to validate the redundant UPS power distribution network for the LHC equipment systems (joint effort between EN-EL and TE-MPE) Tests carried out during the Powering Tests in all 8 LHC sectors including tunnel and service areas Important non-conformities on Machine Protection Systems – QPS: Some quench heater power supplies on same UPS (FIXED) – LBDS: LBDS2 Re-trigger crates connected to the same UPS (FIXED) – BPMs: Some BPM racks powered by normal network (PENDING) – ….. Full report available on EDMS 1505860 Some tests already organised during TS1 to validate conformity of powering (e.g. LBDS1) MPP Workshop, 12 June 2015, I. Romera (TE-MPE)11

12 Summary MPS commissioning on powering interlocks successfully completed Experience during first weeks of operation was very positive and magnet interlock systems were successfully running with no major problems Interventions/tests scheduled during TS1: – Test of redundant opening of the 13kA EE switches through the SIS – Deployment of new FMCM FESA class to solve an issue with timestamping of PM buffers – Deployment of FESA class on a dedicated machine for the Access Powering Interlocks With regard to the UPS tests => It is highly recommended to follow the recommendations written in the test report and we urge equipment owners to follow with EN-EL the non-conformities related to powering MPP Workshop, 12 June 2015, I. Romera (TE-MPE)12

13 THANKS FOR YOUR ATTENTION! MPP Workshop, 12 June 2015, I. Romera (TE-MPE)13

14 FMCM thresholds on SPS-TLs 2015 (6.5TeV equivalent)2012 (4TeV equivalent) FMCMInom (A)Itrip (A)ΔI/I (%)Inom (A)Itrip (A)ΔI/I (%)ΔI/I (%) limitConformity RBI.410147CNGS not used3968.13967.450.0163806360.1IN RANGE RBI.410010CNGS not used840.3748840.34120.0039982160.1IN RANGE RBIH.400309984.27984.07670.01963892674.0723673.95020.0181137840.1IN RANGE RBIH.400107768.297768.3029-0.0007679325275.90945275.08550.0156162650.5IN RANGE RBI.816075274.87945274.38530.00936703920271.972720256.59180.0758727340.1IN RANGE MSE6183M18598.640618589.4160.0495982495673.29415664.82540.1492730650.5IN RANGE MST6177M5673.69485669.57470.0726175823743.11523742.57810.0143490110.5IN RANGE RBIH.201503743.37013742.27590.0292303453087.84183087.03610.0260926580.3IN RANGE MSE4183M21572.570321560.85160.05432222420079.345720061.76760.0875431910.2IN RANGE MBB.6608M3641.7023641.1650.0147458520.1IN RANGE MBS.6600M3188.51613188.784-0.0084020280.1IN RANGE RBI.221345164.96145164.46680.0095760645165.3325165.00240.0063810030.3IN RANGE RBIH.29314724.0219723.96090.00842516724.2516724.09060.0222298440.3IN RANGE RMSI.L2B1945.538945.53460.000353238945.5566945.45560.0106815390.35IN RANGE RBIH.87833895.2255895.16450.006813926893.8599893.82930.0034233550.1IN RANGE RMSI.R8B2947.889947.841610.004999531947.987947.810650.0186025760.1IN RANGE MPP Workshop, 12 June 2015, I. Romera (TE-MPE)14

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