Abstract
The Cryogenic pumping section (CPS) has been installed at the Tritium Laboratory Karlsruhe for the neutrino mass experiment KATRIN. The 7-m long cryostat is part of the tritium pumping and transport section of the KATRIN experiment. The cryostat hosts seven superconducting solenoid magnet modules in series with a maximum magnetic field of 5.6 T. The magnet safety system (MSS) is the central part for the safe operation of the CPS. A distinct quench detection is of interest but not trivial because of the nonnegligible inductive coupling between neighbouring magnet modules. A distinct quench detection method has been developed based on the combination of a global detector and two (or more) detectors based on the conventional bridge method and a programmable logic controller. The MSS together with the quench detection system and an external dumping unit has been successfully commissioned with the CPS magnet. This paper presents the first commissioning results.
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