Functional circuit for measuring the response of a tape to a single half-period current wave.
Circuit for soft ac current excitation of HTS tapes.
Current-voltage characteristics of SF12100 tape in dc (open circles) and dynamic (triangles and solid line) regimes.
Dynamic current-voltage characteristics of a -long sample for different current pulse amplitudes .
The effective electrical resistance per cm of tape length (left axis) and electrical current (right axis) as functions of time .
Temporal dependence of the dissipated power (lower curves) and accumulated energy (upper curves) per cm of the tape length.
Initial and final segments of the computer records of and for , . The inset shows a voltage drop across the tape in the vicinity of a sharp transition to the resistive state. The vertical dashed line indicates the time delay .
Time delay to the transition of the tape into the resistive state.
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