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FiDeL validation #1

This document outlines the validation status of the LSA (Linear Simulation Algorithm) as of April 20, 2009, focusing on the analysis of settings extracted from injection tests conducted in 2008. It details the recent 5 TeV ramp data extraction for 2009 and initial checks of MB main dipole circuits. The report emphasizes the need to expedite validation efforts and discusses data validation using the new LSA Settings Extractor, which allows for comprehensive dumping of circuit data, enhancing the accuracy of validation against WISE. Notable warnings regarding current operations below established thresholds are also highlighted.

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FiDeL validation #1

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  1. FiDeL validation #1 Per Hagen (TE/MSC) FiDeL Team20.04.2009

  2. Status of LSA validation • Extracted settings from LSA Injectiontest in 2008. • Recently extracted LSA 5 TeV ramp for 2009 • Initial checking of MB main dipole circuits as used for injection tests in 2008 • I aim to speed-up my validation (clock ticking) FiDeL 20.04.2009

  3. About LSA data validation • The LSA generates a table for each circuit current during ramp. The tables has often 100 entries of {t, I} for each circuit • A linear interpolation is done for intermediate t. • Checking this data size against WISE seems feasible for all circuits rather than to check only a few “snapshots”. • Thanks to BE/OP (Marek, Cyril, Grzegorz) for making a new version of the LSA Settings Extractor • It dumps data for multiple circuits in “one go” • I have used it to dump most of the data I could find inside LSA FiDeL 20.04.2009

  4. 2008 validation results: MB I(t), LSA=WISE FiDeL 20.04.2009

  5. Validation results: MB b3(t, …) WISE <> LSA FiDeL 20.04.2009

  6. Validation results: MB b3(t, …) WISE <> LSA FiDeL 31.03.2009

  7. Generated “warning” list for circuits where Iop << Ilow • There are some circuits which at injection operates well below the established ILOW • It applies mainly to a few normal-conducting magnets with unipolar power supplyExamples: MBW, MBXW Iop ~ 40 A but Ilow=100A • MQWB Iop ~ 1 A but missing measurements to characterize below ~ 30 A • List given to Marco FiDeL 20.04.2009

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