High-temperature superconducting energy storage magnet

A technology of superconducting energy storage and high-temperature superconducting, which is applied in superconducting magnets/coils, the usage of superconducting elements, magnetic objects, etc., and can solve problems such as low current-carrying capacity, increased tape consumption, and increased volume.
CN114743752APending Publication Date: 2022-07-12NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Publication Date
2022-07-12

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Abstract

The invention discloses a high-temperature superconducting energy storage magnet, and belongs to the technical field of high-temperature superconducting. The device is composed of a copper framework, a superconducting energy storage coil and a fixing device. The superconducting energy storage coil is a single solenoid type magnet formed by winding a quasi-isotropic conductor (Like-QIS). Wherein the quasi-isotropic conductor is mainly composed of an internal twisted quasi-isotropic conductor (QIS) and an external spiral strip. Compared with a common magnet formed by winding a high-temperature superconductive stacked strip in an external field, the magnet has higher engineering current density, and is easier to bend than a QIS. A power grid can be quickly responded, and high power is instantly released. When transient voltage drop or sudden rise and transient active power imbalance occur in the power grid, energy can be exchanged from the superconducting energy storage coil and converted into alternating current through the inverter, active power or reactive power which can be flexibly adjusted is output to the power grid, and therefore transient voltage stability and active power balance of the power grid are guaranteed.
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Description

technical field

[0001] The invention relates to the technical field of high temperature superconductivity, in particular to a high temperature superconducting energy storage magnet. Background technique

[0002] A series of energy storage technologies currently exist, such as superconducting magnetic energy storage (SMES), compressed air energy storage (CAES), fluid batteries, flywheel energy storage systems, pumped hydro energy storage systems, and supercapacitors. In the future development of smart grid, on the one hand, in order to complete sufficient energy reserves, it is urgent to accommodate more new energy power generation systems; reliability of power supply. At present, superconducting magnetic energy storage (SMES) is the most widely studied form of superconducting energy storage in various countries. Formed into a ring-shaped core component, a high-strength magnetic field will be generated when current passes through. Due to the superconducting zero-resistance ...

Claims

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