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A comprehensive real-time monitoring and early warning method suitable for superconducting magnets or superconducting equipment

A superconducting magnet, real-time monitoring technology, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as insulation damage, coil burnout, accidents, etc.

Inactive Publication Date: 2017-01-25
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Once quenched, the energy in the superconducting magnet or superconducting equipment must be released, otherwise, the insulation will be damaged, the coil will be burned, and even more serious accidents will be caused

Method used

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  • A comprehensive real-time monitoring and early warning method suitable for superconducting magnets or superconducting equipment
  • A comprehensive real-time monitoring and early warning method suitable for superconducting magnets or superconducting equipment
  • A comprehensive real-time monitoring and early warning method suitable for superconducting magnets or superconducting equipment

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings.

[0041] The prerequisite for real-time monitoring and early warning of superconducting magnets or superconducting equipment must be based on superconducting physical principles and mathematical models to study superconducting microstructure and macroscopic phenomena. Superconducting design parameters can be divided into electrical quantities (such as voltage, current, power, and magnetic induction, etc.) and non-electrical quantities (such as temperature, pressure, flow rate of refrigeration medium, specific heat capacity, etc.). Among them, there is an obvious time lag problem in the sampling of non-electrical quantities. At present, the most direct, effective and fast way is the electrical quantity method. Therefore, this method starts from the sampling amount of electrical quantity, and designs a superconducting magnet or superconducting equipment according to the p...

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Abstract

The invention discloses a comprehensive real-time monitoring and early warning method applicable to superconducting magnets or superconducting equipment. A superconductivity dynamic model, a superconductivity dynamic model based early warning method, a temperature variation based closed-loop control method and an early warning method based on specific heat sudden change in superconductive phase transformation are designed in a way of starting with physical principles such as the superconductivity, superconductive phase transformation and the like, being combined with microscopic principles and macroscopic phenomena of the superconductivity and according to the energy conservation law, a non-linear model of the superconductivity, the specific heat change in the superconductive phase transformation process and the like. Specifically, the superconductivity and the like are transmitted to a superconductor operation monitoring platform through corresponding sensors of the temperature, the magnetic field and the electrical quantity under the condition that the superconducting magnets or the superconducting equipment operate normally, the monitoring platform carries out DFFT treatment on data so as to acquire corresponding measurement values, and the measurement values are sent to the superconductivity dynamic model, the temperature variation based closed-loop control method and the quench early warning method based on the specific heat sudden change in superconductive phase transformation so as to carry out further treatment on the data.

Description

technical field [0001] The invention relates to a comprehensive real-time monitoring and early warning method suitable for superconducting magnets or superconducting equipment. The dynamic model of superconductivity, the sudden change of specific heat of superconducting materials in the process of quenching, and the direct calculation of temperature and flow velocity for energy conservation are simplified. The dynamic function relations are organically combined to form a comprehensive method suitable for real-time monitoring and early warning of superconducting magnets or superconducting equipment. Background technique [0002] With the development of superconducting technology, especially the discovery of high-temperature superconducting materials, the environmental indicators required for superconducting operation have been technically improved, greatly promoting the development of superconducting applications. However, the conditions required for superconducting operation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B17/02
Inventor 余海涛董坤胡敏强黄磊仲伟波陈中显
Owner SOUTHEAST UNIV
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