Energy storage power generation system for smart microgrid load regulation
A power generation system and energy storage technology, which is applied to machines/engines, liquid variable displacement machines, pumps, etc., can solve problems such as rising water levels, pressure changes and reductions in gas storage devices, etc.
Active Publication Date: 2018-09-28
苏州新能电力建设工程有限公司 +1
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Problems solved by technology
However, the invention of this prior art also has the following disadvantages. The gas storage device is fixed at a specific position in a river, river, lake, reservoir or artificial pool, wherein the water level in the natural water source or the reservoir will vary with the influence of the season and the environment. The pressure of the gas storage device changes; the volume of the artificial pool is fixed, although the water volume can be controlled, but in the process of expansion and contraction of the gas storage device, the water level will rise or fall, and it will also cause the gas storage device. Pressure changes; in addition, the expansion volume of the flexible device is limited, and after the volume of the gas flushed reaches a certain limit, continuing to flush may cause damage to the container
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[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.
[0019] see figure 1 , an embodiment of an energy storage power generation system according to an embodiment of the present invention includes a motor 1 , a compressor unit 2 , a water source 3 , a first gas storage device 4 , a second gas storage device 5 , an expansion unit 6 and a generator 7 . The electric motor 1 is used to provide the electric power required by the compressor unit 2 , and the electric motor 1 obtains surplus electric power for compressing air during low po...
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The invention discloses an intelligent microgrid load adjusted energy storage power generation system. The system comprises a motor for supplying electric power needed by an air compressor set, the air compressor set for compressing air into an air storage device through the electric power in energy storage, the air storage device for receiving compressed air stored by the air compressor set and positioned in a water source, an expander set for expanding the compressed air to act in power generation, and a generator driven by the expander set to generate electricity, wherein the water source is an artificial pool limited in size; the cross sectional area of the water source is increased along with rise of the height; and the air storage device is set as a flexible first air storage device and a rigid second air storage device.
Description
technical field [0001] The invention relates to an energy storage power generation system for compressed air, which can be used for grid load regulation. Background technique [0002] Microgrid is one of the most effective ways to exert the efficiency of distributed power generation. As an integral part of the microgrid, electric energy storage devices play a vital role. The electric energy storage system stores electric energy through a certain medium, and releases the stored energy to generate electricity when needed. The power energy storage system is applied to the power grid, which can not only adjust the load of the power grid, thereby greatly improving the quality of power supply, but also serve as an emergency power supply to meet the needs of daily production and life. The development of power energy storage systems is an urgent need for large-scale utilization of renewable energy, and an effective way to improve the efficiency, safety and economy of conventional ...
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IPC IPC(8): F01B23/10F04B41/02
CPCF01B23/10F04B41/02Y02E60/16
Inventor 林光琴
Owner 苏州新能电力建设工程有限公司