Comprehensive energy source management system for peak shifting power supplying and method thereof

Abstract

The invention discloses a comprehensive energy source management system for peak shifting power supplying and a method thereof. The comprehensive energy source management system for peak shifting power supplying comprises an air compressor (1), a power generator (2), an air precooling device (3), a primary level cooler (4), a secondary level cooler (5), a throttling valve (6), an air-liquid separator (7), a liquid state air storage tank (8), a liquid state air pressurizing pump (9), a nitrogen oxygen separator (10), a heating water tank (11), a high-pressure turbine (12), a low-pressure turbine (13), a power generating set (14), a nitrogen storage tank (15), a nitrogen exhaust pipe (16), a heat return pipeline (17) and a liquid oxygen pipe (18). The comprehensive energy source management system for peak shifting power supplying is characterized in that the whole system takes energy storage as a core, at the electricity using valley, energy generated by the power generator (2) is converted into liquid air to store, and is converted into a high-pressure gas by the heat exchanger in the electricity using peak, a turbine expansion machine is driven to generate electricity, and peak shifting power supplying is realized.

Description

technical field [0001] The invention relates to a comprehensive energy management system and method for peak-staggered power supply, belonging to the technical field of energy. technical background [0002] With the development of the national economy in recent years, my country's demand for power resources is also increasing. Among the power plants that have been completed and put into operation, the installed capacity of thermal power plants accounts for more than 70%. Since thermal power plants mainly use non-renewable fossil fuels such as coal, oil, and natural gas as energy sources in the process of generating electricity, a large amount of pollutants and greenhouse gases are inevitably produced during the production process. It is against this background that renewable energy power generation has developed. Compared with other energy sources, existing renewable energy sources have their own incomparable advantages in terms of environmental friendliness, safety, and d...

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Problems solved by technology

[0003] However, for most renewable energy sources such as wind energy, water energy, solar energy, and tidal energy, due to the temporal and seasonal fluctuations of the energy itself, it is sensitive to external conditions such as weather, and the power provided by itself is not very stable. Electricity consumption is not a constant process, therefore, the peak value of power generation may not coincide with the peak value of electricity consumption, which will cause great energy loss

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