Steady high magnetic field facility(SHMFF) provides the experimental environment of stable high magnetic field for scientific research. The core of SHMFF is a water-cooled magnet (WM) whose working condition is very rigorous. A kind of safety protection system (SPS) is needed to make sure that the WM could automatically enter safe state when working abnormally. This paper puts forward the strategy of protection for WM of SHMFF based on the way of detecting the resistance of WM’s coil, and explains the design and realization of SPS based on LabVIEW. Test results show that the SPS realized has good performance.

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