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Compressed air hybrid energy storage system and method applied to miniature wind power system

A hybrid energy storage system and compressed air energy storage technology, which is applied in wind power generation, wind engine control, energy storage, etc., can solve the problem that the response delay of pneumatic equipment is difficult to meet its requirements, so as to enhance the overall economy and overcome mechanical problems. Inertia, the effect of improving the response speed

Active Publication Date: 2016-12-07
SHANDONG UNIV
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AI Technical Summary

Problems solved by technology

At present, the independent compressed air energy storage system is difficult to meet its requirements due to mechanical inertia, response delay of pneumatic equipment, etc.

Method used

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  • Compressed air hybrid energy storage system and method applied to miniature wind power system
  • Compressed air hybrid energy storage system and method applied to miniature wind power system
  • Compressed air hybrid energy storage system and method applied to miniature wind power system

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0036] The invention proposes a compressed air battery composite energy storage system applied to a micro-wind power system. The compressed air undertakes the main task of stabilizing power fluctuations, and the battery is used to supplement the fluctuations that the compressed air is difficult to track, thereby ensuring the overall response speed of the energy storage system. And reduce energy storage costs. At the same time, in order to improve the rapid response of the compressed air energy storage system and reduce the battery usage as much as possible, the present invention proposes a real-time load forecasting control strategy for the compressed air composite energy storage system. By scheduling the output of the compressed air energy storage system in advance, It effectively overcomes the problems of the compressed air energy storage system due t...

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Abstract

The invention discloses a compressed air hybrid energy storage system and method applied to a miniature wind power system. Compressed air undertakes the main power fluctuation restraining task, a storage battery is used for supplementing fluctuation, difficult to track, of the compressed air, and therefore the overall response speed of the energy storage system is guaranteed, and the energy storage cost is reduced. Meanwhile, in order to improve the fast response of the compressed air energy storage system to lower and reduce the usage amount of the storage battery to the greatest extent, the compressed air energy storage system is dispatched in an advanced manner to output force, the problems of pneumatic equipment response delay and the like of the compressed air energy storage system due to mechanical inertia are effectively solved, the response speed of the compressed air energy storage system is increased, the usage amount of the storage battery is reduced, and the overall economic performance of the system is enhanced.

Description

technical field [0001] The invention relates to a compressed air hybrid energy storage system and method applied to a micro wind power system. Background technique [0002] Compressed air energy storage (CAES) is a new energy storage method proposed in recent years. The system uses excess energy to drive the compressor to store the air, and releases the high-pressure air to drive the turbine to do work when needed. Because of its high efficiency, less pollution, and no phase transition loss, it has attracted much attention and has become a research hotspot in the field of energy storage. At present, most of the existing research focuses on large-scale compressed air energy storage power stations suitable for wind farms, and the micro wind power system is required to have a simple and compact structure, low noise, and a Due to the fast dynamic response speed, the structure and control strategy of the existing large-scale compressed air energy storage power station cannot be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D9/17F03D9/11F03D7/02
CPCF03D7/02Y02E10/72Y02E70/30
Inventor 张承慧李珂田崇翼严毅叶宝森
Owner SHANDONG UNIV
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