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Wind energy-solar energy combined energy storage generating system

An energy storage power generation and solar energy technology, which is applied in the field of wind energy and solar energy utilization systems, can solve the problems of increasing equipment manufacturing costs, grid impact, restricting the large-scale development and application of wind power, and achieves the effect of improving system efficiency and improving efficiency.

Active Publication Date: 2012-07-11
西安隆基清洁能源有限公司
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Problems solved by technology

After the large-scale wind farm is connected to the power grid, it will have an impact on the peak regulation, frequency regulation, power quality, power flow, and transient stability of the power grid. On the one hand, it will have a greater impact on the power grid and affect the quality of power supply. Equipment manufacturing costs, these factors seriously restrict the large-scale development and application of wind power

Method used

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  • Wind energy-solar energy combined energy storage generating system

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0017] see figure 1 , the present invention includes a wind-forced compressed air energy storage system, a solar heat collection and heat storage system, and a gas-steam combined cycle power generation system;

[0018] The wind-force compressed air energy storage system includes a wind turbine 1, a variable speed transmission device 2, a low-pressure air compressor 3, a heat exchanger group 4, a high-pressure air compressor 5 and an air storage device 6, and the wind turbine 1 passes through different gears Ratio variable speed transmission device group 2 is respectively connected with low-pressure air compressor unit 3 and high-pressure air compressor unit 5, and a heat exchanger with a fuel inlet is arranged between low-pressure air compressor unit 3 and high-pressure air compressor unit 5 Group 4, the outlet of low-pressure air compressor unit 3 is connected to t...

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Abstract

The invention relates to a wind energy-solar energy combined energy storage generating system, comprising a wind power compressed air energy storage system, a solar energy heat collection heat storage system and a gas-steam combined circulation generating system. In the invention, a compressor set is directly driven by utilizing a wind turbine, a solar energy heat collection device is used for heating compressed air, an air stage compressor is used for preheating fuel, exhaust of a gas turbine is taken as a steam turbine generating heat source to realize gas-steam combined circulation, efficiency of a system is improved, and a stable power supply system is provided. The wind power compressed air energy storage system, the solar energy heat collection energy storage system and the gas-steam combined circulation generating system are integrated, the stable power supply system is provided, and the wind energy-solar energy combined energy storage generating system can be used as a pitch peak; meanwhile, technical support is provided for large-scale development of wind power, and system efficiency is improved compared with the technical scheme of the traditional wind power compressed air energy storage generating system.

Description

technical field [0001] The invention relates to a wind energy and solar energy utilization system, in particular to a wind energy solar energy combined energy storage power generation system. Background technique [0002] In order to solve and respond to problems such as energy shortage and environmental pollution, in recent years, the government has continuously increased capital investment, demonstration, promotion and industrialization of renewable energy research, and the proportion of renewable energy in China's energy consumption structure has been increasing year by year. promote. Among them, wind energy, as a clean and renewable energy, plays an important role in replacing coal power generation and reducing carbon dioxide emissions. With the increase of wind power capacity and the scale of wind farms, the proportion of wind power in the power system is increasing, and the impact on the system is becoming more and more obvious. After the large-scale wind farm is con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03G6/06F03D9/00F02C6/18
CPCY02E10/46Y02E10/725Y02E20/16Y02E10/72Y02P80/10
Inventor 谢永慧李亚鸽刘乐屈焕成吴君张荻
Owner 西安隆基清洁能源有限公司
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