MQXFS1b quench antenna signal analysis M. Marchevsky (LBNL) T. - PowerPoint PPT Presentation

MQXFS1b quench antenna signal analysis M. Marchevsky (LBNL) T. Strauss, S. Stoynev, G. Chlachidze (FNAL) M. Marchevsky

Quench antenna principle and expected signals Interrupted solenoidal current in the cable Antenna loop I xy y x z Current displacement in-plane of the cable F F X X + I e flux I xy flux M. Marchevsky

MQXF-S quench antenna design summary M. Marchevsky

Localization and quench propagation 17806 A => ~18.9 m/s 18642 A M. Marchevsky

Location of Quench Antenna on Nov 28 as 22 afternoon 5 11/30/16 Thomas Strauss | LARP - MQXFS1b Quench Antenna

Example 1: quench of Nov 30, 19:23 4 Integrated signals: M. Marchevsky

Example 1: quench of Nov 30, 19:23 Integrated signals: 4 5 M. Marchevsky

Example 1: quench of Nov 30, 19:23 Integrated signals: 5 M. Marchevsky

Example 2: quench of Dec 1, 11:34 6 M. Marchevsky

Example 2: quench of Dec 1, 11:34 5 4 M. Marchevsky

Quench location map Date, Time QA # I q Coil Nov 22, 11:02 (4-5) 18824 A coil 3 Nov 22, 14:51 (5-6 -- 6) 17868 A coil 3 Nov 23 14:48 (5) 17763 A coil 3 Nov 23 19:25 (3-4) 17307 A coil 3 Nov 30 11:53 (3-4) ? 17464 A coil 3 Nov 30 15:18 (3-4) 18675 A coil 3 Nov 30 19:23 (4-5) 17859 A coil 5 Dec 1 11:34 (4-5) 17912 A coil 3 M. Marchevsky