Kabushiki Kaisha Toshiba

Toshiba Energy Systems & Solutions Corporation

Taizo Tosaka

Hiroshi Miyazaki

Kenji Tasaki

Kei Koyanagi

Sadanori Iwai

Shigeki Takayama

Yusuke Ishii

Michitaka Ono

Tsutomu Kurusu

Yasuhiro Yamashita

Tsutomu Shimonosono

Masami Urata

Yasumi Ootani

Kel Koyanagi

Shigeru Ioka

A superconducting coil includes: a winding memberthat has a side surfacealong a coil radial direction and is formed by laminating a superconducting tape wirein the coil radial direction by winding; and a bypassthat is provided on the side surfaceof the winding memberand electrically connects the superconducting tape wirein the coil radial direction.

Superconducting coil and superconducting coil device

In a high-temperature superconducting conductora laminated bodyis formed by laminating a high-temperature superconducting layeron one side surface of a flexible and tape-shaped metal substratevia an intermediate layerand a plurality of thin film wiresare formed by providing a stabilization layeraround the laminated bodyvia a protective layerand are arranged in a thickness direction. The plurality of thin film wiresare connected at both ends in a width direction to each other in a conductible state in a longitudinal direction by means of conductive coupling memberin such a manner that a thin film wiredisposed at an outermost side is positioned with a surfaceon a side of the metal substratedirected outward and a surfaceof each of the plurality of thin film wiresfacing the high-temperature superconducting layeris held in a non-fixed state with respect to an opposing surface.

High-temperature superconducting conductor, high-temperature superconducting coil, and connecting structure of high-temperature superconducting coil

According to an embodiment, a superconducting coil production device for producing a non-coplanar three-dimensional superconducting coil by winding a tape-like superconducting wire includes: a coil bobbin; a supply reel to supply the superconducting wire to the coil bobbin; and an adjustment driving unit to adjust a position of the supply reel relative to a wrapping point so that a position of the wrapping point of the coil bobbin around which the superconducting wire being supplied from the supply reel is wrapped becomes equal to a position of the supply reel in a rotational axis direction of the supply reel.

Superconducting coil production apparatus and superconducting coil production method

According to an embodiment, a superconductive coil device includes a non-coplanar three-dimensional superconductive saddle type coil including a wound superconductive wire. The superconductive saddle type coil includes: longitudinal portions extending along a longitudinal direction of a magnetic field generation area; crossing portions extending along an edge line of a cross section perpendicular to the longitudinal direction of the magnetic field generation area; and bent portions connecting the longitudinal portions and the crossing portions. The crossing portions are linear in shape when seen in the longitudinal direction.

Superconductive coil device

A connection structure of a multi-layer wire includes at least a substrate, a high-temperature superconducting layer, a tape-type laminated body, a conductor layer, and a passage forming body. The high-temperature superconducting layer is formed on one surface of the substrate. The tape-type laminated body including at least the substrate and the high-temperature superconducting layer. The conductor layer covering an outer periphery of the tape-type laminated body. The passage forming body serving as a flowing path of a superconducting current generated in the high-temperature superconducting wire piece. The passage forming body is bonded by a bonding material is arranged on a side surface of the conductor layer, the side surface being located on an opposite side to the high-temperature superconducting layer with respect to the substrate.

Connection structure of high-temperature superconducting wire piece, high-temperature superconducting wire using connection structure, and high-temperature superconducting coil using connection structure

According to one embodiment, a superconducting magnet apparatus includes: a first superconducting coil and a second superconducting coil respectively arranged in a vacuum container; a first cooling unit configured to cool the first superconducting coil; and a second cooling unit configured to cool the second superconducting coil and controlled independently from the first cooling unit by a cooling method different from the cooling method of the first cooling unit.

Superconducting magnet apparatus

According to one embodiment, there is provided a superconducting magnetic apparatus that conductively cools a superconducting coil contained in a vacuum container with a cryogenic refrigerator. The superconducting magnetic apparatus includes a thermal conductor thermally connecting a cooling stage of the cryogenic refrigerator to the superconducting coil, a radiation blocking layer provided around the superconducting coil, and a coil supporting body supporting the superconducting coil by partial or entire contact with a surface of the superconducting coil.

Superconducting magnetic apparatus

A superconducting coil is provided with a superconducting coil portion having a plurality of concentric coil layer portions. The superconducting coil portion is formed by winding a thin-film superconducting wire and an insulating material with a multilayer structure, wherein the concentric coil layer portions are adjacent to each other at boundary portions having adhesive force that are set to be less than that of other portions. The concentric coil layer portions each has a non-circular shape or circular shape.

Superconducting coil

A superconducting coil quench detection method and device capable of detecting a quench detection voltage even in a superconducting coil where a plurality of element coils are connected with a plurality of current sources and operated with repetitive pulses or AC and a voltage of several kV is applied continuously as an induction voltage. A super conducting power storage unit is also provided.

Growing community of inventors

Yokohama, Japan

Taizo Tosaka