Abstract: Provided is a superconducting coil having a spiral structure for a current limiter. The coil includes: a first superconducting tape, a second superconducting tape, and an insulating isolation layer, where the first superconducting tape and the second superconducting tape have spiral structures, an end of the first superconducting tape at a spiral center is connected to an end of the second superconducting tape at the spiral center, the instating isolation laser is filled between the first superconducting tape and the second superconducting tape, and a spacing between the first superconducting tape and the second superconducting tape gradually increases from the spiral center to an outer spiral periphery.

Abstract: Provided is a superconducting tape testing device, including lead contacts and a support plate. Each lead contact a conductive contact and a magnet; the magnet is provided with a through hole through which the conductive contact passes, the support plate comprises a plate and a magnetic conductive member; and the magnetic conductive member is fixed on the surface of the plate body.

Abstract: Provided is a superconducting fault current limiter having a composite insulating structure. The superconducting fault current limiter includes: a superconducting current limiting unit, an inner composite insulating cylinder, an outer composite insulating cylinder and a low-temperature container. The outer composite insulating cylinder is sleeved inside the low-temperature container; the inner composite insulating cylinder is sleeved inside the outer composite insulating cylinder; the superconducting current limiting unit is sleeved inside the inner composite insulating cylinder. The superconducting current limiting unit and the inner composite insulating cylinder are securely connected through a first support, and the low-temperature container and the outer composite insulating cylinder are securely connected through a second support.

Abstract: Provided is a superconducting fault current limiter having a composite insulating structure. The superconducting fault current limiter includes: a superconducting current limiting unit, an inner composite insulating cylinder, an outer composite insulating cylinder and a low-temperature container. The outer composite insulating cylinder is sleeved inside the low-temperature container; the inner composite insulating cylinder is sleeved inside the outer composite insulating cylinder; the superconducting current limiting unit is sleeved inside the inner composite insulating cylinder. The superconducting current limiting unit and the inner composite insulating cylinder are securely connected through a first support, and the low-temperature container and the outer composite insulating cylinder are securely connected through a second support.

Abstract: Provided are a method and apparatus for calculating fault resistance and a current-limiting current of a superconducting fault current limiter.

Abstract: Provided are a method and apparatus for calculating fault resistance and a current-limiting current of a superconducting fault current limiter.

Abstract: Provided is a superconducting tape testing device, including lead contacts and a support plate. Each lead contact a conductive contact and a magnet; the magnet is provided with a through hole through which the conductive contact passes, the support plate comprises a plate and a magnetic conductive member; and the magnetic conductive member is fixed on the surface of the plate body.

Abstract: Provided is a superconducting coil having a spiral structure for a current limiter. The coil includes: a first superconducting tape, a second superconducting tape, and an insulating isolation layer, where the first superconducting tape and the second superconducting tape have spiral structures, an end of the first superconducting tape at a spiral center is connected to an end of the second superconducting tape at the spiral center, the instating isolation laser is filled between the first superconducting tape and the second superconducting tape, and a spacing between the first superconducting tape and the second superconducting tape gradually increases from the spiral center to an outer spiral periphery.