Post on 30-Mar-2015
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TYPICAL SUPERCONDUCTING
MAGNET TEST SEQUENCE
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
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.
…..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
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.
New Magnet
Magnet Test Report (MTR) Scan Magnet Labels
ICS – HV test (WP04)
Warm Tests (Initial)
Prep 1 – Lyre Test Prep 2.1 & 2.2 – IAP @ warm LF &
HF Quench Heaters Prep 2.3 – Resistance
Measurement Prep 3 – HV Test
ICS Cryo Cooling Down Prep 5
Cold Tests
PT 1 – IAP@cold (Offset & AC compensation of Potaim Cards)
PT2 – HV Test (CDBP) PT3 – Resistance Measurement
Powering tests
…..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)
…..Cold Tests
PT9 - HV Test (CDAP) PT10 - Minimum energy quench
(Warm up)(PT11 - Short Sample Limit (SSL) Quenches)
Warming up PT12
Warm Tests (Final)
PT13.1 – IAP@warm PT13.2 – Resistance
Measurement
ICS – HV test (WP07)
PT14 – MAPS (Stripping / Standby) & Documentation
Test, Data & Information Management Tools TEMA – Test Master SMTMS – SM18 Test
Management System E-logbook E-Traveler & SMS MTF – Manufacturing & Test
Folder SM18 Website
SM18 Website
Information Documents / Templates Links
TEMA
Separate Server for Each Cluster Access Levels Hardware Recognition Bench Selection Test Sequence Selection Test Selection Check Applications PLCSE Reset Run Test
SMTMS
Adding New Magnet Adding New Test Updating Test Data Removing Magnet Auto Update
E-logbook
Opening e-logbook Starting a new shift Adding logbook entries Bench unavailability
E-Traveler
Signing for warm magnets Signing for cold magnets
MTF
Accessing MTF Uploading Results Generating Non-Conformity
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) CasePhases A & D – 3 Benches
Phase B – 1 Bench
Phase C – 3 Benches
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)
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
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