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Quench protection method for superconducting magnet system and its high-temperature superconducting wire

A high-temperature superconducting and superconducting magnet technology, applied in superconducting magnets/coils, automatic disconnection emergency protection devices, magnetic objects, etc. problem, to prevent quench and avoid damage

Active Publication Date: 2017-05-24
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for the superconducting magnet system, the protection by simply turning off the power supply cannot quickly reduce the high current flowing through the high-temperature superconducting wire, so the quenching of the high-temperature superconducting wire cannot be truly realized. Protect

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  • Quench protection method for superconducting magnet system and its high-temperature superconducting wire
  • Quench protection method for superconducting magnet system and its high-temperature superconducting wire
  • Quench protection method for superconducting magnet system and its high-temperature superconducting wire

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Embodiment Construction

[0026] Specific implementations of the present invention will be described below. It should be noted that in the process of specific descriptions of these implementations, for the sake of concise description, it is impossible for this specification to describe all the features of the actual implementations in detail. It should be understood that, in the actual implementation process of any embodiment, just like in the process of any engineering project or design project, in order to achieve the developer's specific goals and to meet system-related or business-related constraints, Often a variety of specific decisions are made, and this can vary from one implementation to another. In addition, it will be appreciated that while such development efforts may be complex and lengthy, the technology disclosed in this disclosure will be Some design, manufacturing or production changes based on the content are just conventional technical means, and should not be interpreted as insuffic...

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Abstract

The invention relates to a quench protection method for a superconducting magnet system and a high-temperature superconducting wire, wherein the superconducting magnet system includes: a superconducting coil, a high-temperature superconducting wire, a heater, a heater trigger, and a high-temperature superconducting wire detection unit. The high-temperature superconducting wire detection unit is used to detect the working state of the high-temperature superconducting wire, and when the detection signal from the high-temperature superconducting wire is greater than a preset value, the high-temperature superconducting wire detection unit outputs a control signal to the A heater trigger is used to trigger the heater to work to quench the superconducting coil, and the preset value corresponds to the quench point or the quench critical point of the high-temperature superconducting wire.

Description

technical field [0001] The invention relates to a superconducting magnet system, in particular to a superconducting magnet system with quench protection for high-temperature superconducting leads and a quench protection method thereof. Background technique [0002] With the vigorous development of superconducting technology and superconducting materials, superconducting magnets have broad application prospects. Due to the advantages of small size, high current density, low energy consumption, and high magnetic field strength, superconducting magnets are increasingly used in basic scientific research, medical and health, transportation, and national defense industries. For example, in a magnetic resonance imaging (Magnetic Resonance Imaging, MRI) system, a superconducting magnet is used to generate a uniform magnetic field. [0003] Superconducting magnets are usually operated at a higher current (for example, about 200A-800A) to provide energy to obtain a uniform magnetic f...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F6/00H01F6/06H02H5/04
Inventor 徐民风伊万格拉斯·T·拉斯卡里斯沈伟俊白烨武安波S·迈恩
Owner GENERAL ELECTRIC CO
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