Quench Protection and Magnet Supply Requirements for the MICEFocusingand Coupling Magnets

Green, Michael A. ; Witte, Holger

Lawrence Berkeley National Laboratory

关键词: Superconducting Magnets;    72;    Magnets;    Quenching;    Focusing;   

DOI  :  10.2172/918115
RP-ID  :  LBNL--57580
RP-ID  :  DE-AC02-05CH11231
RP-ID  :  918115

美国|英语

来源: UNT Digital Library

【 摘 要 】

This report discusses the quench protection and power supply requirements of the MICE superconducting magnets. A section of the report discusses the quench process and how to calculate the peak voltages and hotspot temperature that result from a magnet quench. A section of the report discusses conventional quench protection methods. Thermal quench back from the magnet mandrel is also discussed. Selected quench protection methods that result in safe quenching of the MICE focusing and coupling magnets are discussed. The coupling of the MICE magnets with the other magnets in the MICE is described. The consequences of this coupling on magnet charging and quenching are discussed. Calculations of the quenching of a magnet due quench back from circulating currents induced in the magnet mandrel due to quenching of an adjacent magnet are discussed. The conclusion of this report describes how the MICE magnet channel will react when one or magnets in that channel are quenched.