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Superconducting composite winding

A winding and superconducting technology, applied in superconducting magnets/coils, magnetic objects, electrical components, etc., can solve the problem of high cost, and achieve the effect of increasing stability, reducing cost and small size

Inactive Publication Date: 2014-07-23
中国东方电气集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, YBCO superconducting strips have been industrialized and have been applied in many practical engineering projects. Commercial YBCO superconducting strips are prepared by vacuum deposition, which is costly and can only be processed into strip specifications.

Method used

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  • Superconducting composite winding
  • Superconducting composite winding

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Such as figure 1 As shown, the combined winding consists of YBCO superconducting coil 1, YBCO superconducting coil skeleton 2, MgB 2 Superconducting coil 3, MgB 2 The superconducting coil skeleton 4, the coil upper support plate 5 and the coil lower support plate 6 are composed. The YBCO superconducting coil 1 is wound on the YBCO superconducting coil skeleton 2. The YBCO superconducting coil 1 is wound in a pie structure and stacked and combined. The coil interlayer cold conducting plate 7 is inserted between each layer, and the coil is connected in series. . After the YBCO superconducting coil is wound, it is installed on the lower support plate 6, and MgB is sheathed on its outside. 2 Superconducting coil bobbins4. in MgB 2 A chute is opened on the lower plate of the superconducting coil bobbin 4, the chute corresponds to the le...

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Abstract

The invention discloses a superconducting composite winding formed by winding MgB2 wires and YBCO strips. The superconducting composite winding is composed of a YBCO superconducting coil, a YBCO superconducting coil framework, an MgB2 superconducting coil, an MgB2 superconducting coil framework, a coil upper supporting plate, a coil lower supporting plate and a coil interlayer copper plate. The YBCO superconducting coil is wound on the YBCO superconducting coil framework, the MgB2 superconducting coil is wound on the MgB2 superconducting coil framework, the MgB2 superconducting coil framework is installed outside the YBCO superconducting coil framework, and the coil upper supporting plate and the coil lower supporting plate are installed on the upper portion of the YBCO superconducting coil and the lower portion of the YBCO superconducting coil respectively. The price of MgB2 superconducting materials is much lower than that of the YBCO superconducting strips, the cost of the composite winding formed by winding the MgB2 wires and the YBCO strips is much lower than the cost of a single-YBCO winding, and the superconducting composite winding is suitable for being applied to superconducting magnets with the magnetic field intensity being 3-5T.

Description

technical field [0001] The invention relates to a superconducting magnet composite coil, in particular to a coil using MgB 2 Superconducting composite windings wound by wire and YBCO strip. Background technique [0002] Superconducting combined windings made of different types of superconducting materials are widely used in the field of high-field low-temperature superconducting magnets. The distribution of the magnetic field on the superconducting magnet gradually decreases from the center of the inner diameter to the center of the outer diameter. Superconducting combined winding mainly adopts two design schemes. One is to use superconducting materials with higher critical magnetic field near the inner diameter of the superconducting magnet, and to use superconducting materials with lower critical magnetic field near the outside of the magnet. The common one is Nb 3 The combined winding of Sn and NbTi; the other is to use a superconducting wire with a larger cross-section...

Claims

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Application Information

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IPC IPC(8): H01F6/06
Inventor 张治宇张敏任毅杨烨蒋煜东况明伟吴建东
Owner 中国东方电气集团有限公司
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