Josephson junctions were produced by electron beam irradiation of patterned YBa/sub 2/Cu/sub 3/O/sub 7- delta / thin film tracks on MgO substrates. Single weak links show Fraunhofer-type critical ...

If current transformer (CT) is saturated in operation, it will lead to incorrect current measurements and may cause relay maloperation, which can greatly threaten the safety of power grid. This paper ...