Abstract: A system (20) and method (46) for protecting a superconductor (12). The system (20) may comprise a current sensor (22) operable to detect a current flowing through the superconductor (12). The system (20) may comprise a coolant temperature sensor (24) operable to datect the temperature of a cryogenic coolant used to cool the superconductor (12) to superconductive state. The control circuit (26) is operable to estimate the superconductor temperture based on the current flow and the coolant temperature. The system (20) may also be operable to compare the estimated superconductor temperature to at least one threshold tempeature (66, 68) and to initiate a corrective action when the superconductor temperature exceeds the at least one threshold temperature.