SUPERCONDUCTING TAPE CURRENT TRANSFER CAPABILITY MEASUREMENT PROBE, MEASUREMENT DEVICE, AND METHOD

摘要

A superconducting tape current transfer capability measurement probe, a measurement device, and a method. The superconducting tape current transfer capability measurement probe comprises a magnetic circuit, a detection winding (5), and a measurement circuit (6) connected to the detection winding (5). The magnetic circuit comprises a magnetic circuit core (1), an excitation winding (3), and an adjustable power source (4) providing the excitation winding (3) with current, the excitation winding (3) and the detection winding (5) being respectively wound on the magnetic circuit core (1), a slit (2) used for accommodating a superconducting tape sample to be measured (7) being arranged on the magnetic circuit core (1), the magnetic circuit core (1) and the slit (2) forming a closed magnetic circuit. The magnetic field amplitude in the slit (2) is adjusted via the excitation winding (3) and the adjustable power source (4) providing the excitation winding (3) with current, and the detection winding (5) and the measurement circuit (6) connected to the detection winding measure the current transfer capability of the superconducting tape sample to be measured (7) which is placed in the slit (2). The device and method measure a local current transfer characteristic of the superconducting tape along the width direction of the tape, and also measure an overall current transfer characteristic of the superconducting tape in an external magnetic field.