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. TYPICAL SUPERCONDUCTING MAGNET TEST SEQUENCE. PREPARATORY TESTS AT ROOM TEMPERATURE Lyre Test: Simulate Effect of Thermal Contraction in Cold condition.

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Presentation on theme: ". TYPICAL SUPERCONDUCTING MAGNET TEST SEQUENCE. PREPARATORY TESTS AT ROOM TEMPERATURE Lyre Test: Simulate Effect of Thermal Contraction in Cold condition."— Presentation transcript:

1 . TYPICAL SUPERCONDUCTING MAGNET TEST SEQUENCE

2 PREPARATORY TESTS AT ROOM TEMPERATURE Lyre Test: Simulate Effect of Thermal Contraction in Cold condition Check Functioning of Quench Heaters and Voltage Taps. Measure Heater resistances and perform High Voltage Insulation Test

3 COLD TESTS High Voltage Insulation Test: Before Magnet Powering Slow Power Abort Test: Power the Magnet upto 1000 A and then back to Zero with Controlled Ramp Rate to check the power converter operation Provoked Quench Tests: Power the Magnet up to 1500 A and check Quench-Heaters protection by provoking a Quench by triggering the heaters.

4 …..COLD TESTS TRAINING of Magnet: Feed the Magnet with Repetitive Current Ramp cycles until it gets TRAINED (Following the Training Rules) (MAGNETIC MEASUREMENTS :Measurement of Field profile, Harmonics etc. by rotating a coil in the magnet aperture) HV Insulation Test: After Completion of Magnet Power Tests Minimum Energy Quench: Provoke a Quench by Firing one LF Heater at minimum required Heater-Voltage

5 FINAL TESTS AT WARM Final Check for Electrical Integrity of Voltage Taps and Temperature Sensor after completion of Power Tests at cold Final Resistance Measurement at Room temperature of Quench Heaters, Voltage Taps, Temperature sensor etc.

6 New Magnet Magnet Test Report (MTR) Scan Magnet Labels ICS – HV test (WP04)

7 Warm Tests (Initial) Prep 1 – Lyre Test Prep 2.1 & 2.2 – warm LF & HF Quench Heaters Prep 2.3 – Resistance Measurement Prep 3 – HV Test ICS Cryo Cooling Down Prep 5

8 Cold Tests PT 1 – (Offset & AC compensation of Potaim Cards) PT2 – HV Test (CDBP) PT3 – Resistance Measurement Powering tests

9 …..Cold Tests PT4 - Slow Power Abort Test PT5.1 - Provoked Quench (All LF) PT5.2 - Provoked Quench (All HF) PTE - Diode Test (Minimum Energy) PT6 - Training Quench (Training Rules) PT8 - Detraining and Fast de- excitation test (PT7 - Ultimate Current)

10 …..Cold Tests PT9 - HV Test (CDAP) PT10 - Minimum energy quench (Warm up) (PT11 - Short Sample Limit (SSL) Quenches) Warming up PT12

11 Warm Tests (Final) PT13.1 – PT13.2 – Resistance Measurement ICS – HV test (WP07) PT14 – MAPS (Stripping / Standby) & Documentation

12 Test, Data & Information Management Tools TEMA – Test Master SMTMS – SM18 Test Management System E-logbook E-Traveler & SMS MTF – Manufacturing & Test Folder SM18 Website

13 Information Documents / Templates Links

14 TEMA Separate Server for Each Cluster Access Levels Hardware Recognition Bench Selection Test Sequence Selection Test Selection Check Applications PLCSE Reset Run Test

15 SMTMS Adding New Magnet Adding New Test Updating Test Data Removing Magnet Auto Update

16 E-logbook Opening e-logbook Starting a new shift Adding logbook entries Bench unavailability

17 E-Traveler Signing for warm magnets Signing for cold magnets

18 MTF Accessing MTF Uploading Results Generating Non-Conformity

19 Cryogenic Phases A. Cool down to 80 K B. Cool down to 4 K C. Cool down to 1.9 K D. Warm up Ideal (Optimum) Case Phases A & D – 3 Benches Phase B – 1 Bench Phase C – 3 Benches

20 Bench Priorities Objective – Maximise Production Achieved by : Distributing the benches to different phases of production ( ICS, Cryo, Warm & Cold) so that the common resources can be shared efficiently Points to note: Meet the optimum cryo requirements Avoid two magnets on the same cluster in the same phase (esp. cold)

21 Points to note Switch off LF & HF Acquisition Connect D20 connector after HV test Close the main Inlet & Outlet valves of cooling water first Select the bench before charging the Quench Heaters Change Power Converter to CC before Prep5 & PT12 Disconnect AC signal cable on CFB after PT1 AC compensation

22 Points to note ….. Write the TT821 temp. sensor reading from LF viewer (TEMA) in MTR Update SMTMS as soon as possible Check the temp. entry when a new test added in SMTMS Enter Bench & Magnet name in E- logbook MTF password is different ! Entries in MTF can not be corrected after saving


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