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Hybrid energy storage system based on superconducting magnetic energy storage and cryogenic energy storage

A hybrid energy storage system and superconducting magnetic energy storage technology, applied in the field of electric energy storage, can solve the problems of small energy storage capacity of superconducting magnetic energy storage technology, slow response speed of cryogenic energy storage technology, etc.

Pending Publication Date: 2018-03-02
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology

[0005] The invention provides a hybrid energy storage system based on superconducting magnetic energy storage and cryogenic energy storage, which is used to solve the superconducting problems existing in the single application of the existing superconducting magnetic energy storage technology and cryogenic energy storage technology. Magnetic energy storage technology can only maintain superconducting properties when its superconducting material is below the critical temperature, and requires vacuum insulation containers and refrigeration equipment for heat insulation and cooling. At the same time, the technical problem of superconducting magnetic energy storage technology is that the energy storage capacity is small Technology has the technical problem of slow response speed

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  • Hybrid energy storage system based on superconducting magnetic energy storage and cryogenic energy storage

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Embodiment Construction

[0029] The embodiment of the present invention provides a hybrid energy storage system based on superconducting magnetic energy storage and cryogenic energy storage, which solves the problem of superconducting magnetic energy storage and cryogenic energy storage in a single application. Energy storage technology can only maintain superconducting properties when its superconducting material is below the critical temperature, and requires vacuum insulation containers and refrigeration equipment to insulate and cool down. There is a technology with high operating costs and small energy storage capacity of superconducting magnetic energy storage technology. Problems, cryogenic energy storage technology has technical problems such as slow response speed.

[0030] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described be...

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Abstract

The invention discloses a hybrid energy storage system based on superconducting magnetic energy storage and cryogenic energy storage and solves a problem that operation cost is high as a vacuum heat insulation container and refrigeration equipment are required for heat insulation and cooling and superconductive characteristics can be kept only if the superconducting material is under the criticaltemperature for the superconducting magnetic energy storage technology when the superconducting magnetic energy storage technology and the cryogenic energy storage technology in the prior art are applied to single application, a technical problem of small self energy storage capacity of the superconducting magnetic energy storage technology and a technical problem of slow response speed in the cryogenic energy storage technology.

Description

technical field [0001] The invention relates to the field of electric energy storage, in particular to a hybrid energy storage system based on superconducting magnetic energy storage and cryogenic energy storage. Background technique [0002] Existing power energy storage technologies are divided into power-type energy storage and energy-type energy storage according to the characteristics of energy storage technology. Among them, power-type energy storage includes superconducting magnetic energy storage system (SMES, Superconducting Magnetic Energy Storage System), supercapacitor and flywheel Energy storage, etc., have short-term high-power charging and discharging capabilities, and are mainly used to improve the quality of grid power supply and provide short-term power support; energy-type energy storage includes battery energy storage, pumped water energy storage and cryogenic energy storage, etc., with large storage capacity , mainly used for peak shaving and valley fill...

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Application Information

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IPC IPC(8): H02J15/00H02J3/28F25J1/02
CPCH02J3/28H02J15/00F25J1/0228Y02E40/10Y02E40/60Y02E60/16
Inventor 夏亚君宋萌梅桂华
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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