Magnetically Sensitive Components Luke Fry 17122012 Luke Fry

Magnetically Sensitive Components Luke Fry 17/12/2012 Luke Fry - Magnetic Sensitivity Database CM 34 1

Goals • • • Comprehensive Inventory of Components Gather Information Categorise & Locate Components Identify Components/Systems at Risk Prioritise Actions to be Taken 17/12/2012 Luke Fry - Magnetic Sensitivity Database CM 34 2

Database Item No. Object S 4 S 11 Switch Board D 1 West Wall D 16 Circuit Breakers X 4 North Wall S 18 D 4 PSU Distribution Box North Wall S 21 S 26 S 27 S 32 S 33 S 50 MCB's Power Isolation Box Emergency Lighting Contactor North Mezz Extension Distribution Board Location System Sensitive Components (Max in Air Magnetic System Owner [Gauss]) Risk Level Notes Mass General Power Ian Mullacrane None Should be OK in this location Yes Installed General Power Ian Mullacrane At Risk All that will be affected will be replaced by Redspot fuses were possible Yes North Wall Mezz General Power Ian Mullacrane Remove Obsolete Yes North Wall Mezz General Power Ian Mullacrane At Risk Change for Redspot Yes South Wall Mezz General Power South East Corner General Power Ian Mullacrane At Risk Change for Redspot Yes Ian Mullacrane None Should be OK in this location Yes North Wall S 55 DSA MCB D 11 D 5 Distribution Board S 75 KLIXON Junction Box 1 & 2 Trench General Power Ian Mullacrane Not sure Not my kit S 87 L 13 D 10 Board and Isolator Sub Station 25 HV Rack General Power Ian Mullacrane At Risk Is the trench area a problem? ? Yes Extra Sheilding Yes Relocate Yes 17/12/2012 Trench North Wall South Wall Luke Fry - Magnetic Sensitivity Database CM 34 Yes 3

3 D Modelling Added small components into model Overlay with field plots to identify components at risk 17/12/2012 Luke Fry - Magnetic Sensitivity Database CM 34 4

So Far? • Highlighted some key issues to be addressed – PPS – Fire Safety – Large ferrous masses unaccounted for in model – MCB’s – Small electronic components 17/12/2012 Luke Fry - Magnetic Sensitivity Database CM 34 5

Next Steps • Complete the Database • System Owners to Research the Sensitivity of their Components • More comprehensive breakdown of systems EMR, KL, c. KOV, RFCC, TOF’s, SS 17/12/2012 Luke Fry - Magnetic Sensitivity Database CM 34 6

Adding Information • http: //micewww. pp. rl. ac. uk/projects/magnetic-shielding/documents • http: //micewww. pp. rl. ac. uk/documents/47 • 1 m x 500 mm Helmholtz Coils at KIT (up to 200 G) – Vishal Francis • AFC in R 9 • Add directly to the Database and upload to micemine with updated front sheet and issue number • Email information to luke. fry@stfc. ac. uk 17/12/2012 Luke Fry - Magnetic Sensitivity Database CM 34 7