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A stable wind farm output system and its working method

An output system, wind farm technology, applied in wind power generation, electrical components, circuit devices, etc., can solve the problem of not taking into account weather effects, and achieve the effect of stabilizing wind energy fluctuations

Inactive Publication Date: 2019-02-15
SHANGHAI BOLING ENERGY TECH
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Problems solved by technology

[0005] The above patents all disclose the use of wind power thermal energy in electric power, but they do not take into account the impact of weather on the entire wind power system. Therefore, a stable wind farm output system and its working method based on compressed air energy storage regulation are designed.

Method used

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  • A stable wind farm output system and its working method
  • A stable wind farm output system and its working method
  • A stable wind farm output system and its working method

Examples

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Embodiment

[0058] Taking a certain wind turbine as an example, when the grid load demand is small, the wind farm receives an instruction to reduce the load output. If at this time the wind power generation unit predicts that the power generated based on the wind speed is greater than the load demand, and the wind turbine itself cannot adjust the wind turbine output power to balance the supply and demand electricity, Start the compressed air system for energy storage, and start the air storage tank at this time to inflate. When the fan itself can adjust the output power of the fan to balance the power supply and demand, the compressed air system is turned off and the inflation is stopped.

[0059] When the load demand of the power grid is large, the wind farm receives an instruction to increase the load output. If the wind power generation unit predicts that the power generation based on the wind speed is still less than the load demand, and the wind turbine itself cannot adjust the wind t...

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Abstract

The invention relates to the technical field of renewable energy source utilization, in particular to a stable wind power plant output system and a working method thereof. According to the stable wind power plant output system disclosed by the invention, an intelligent control model can be formed according to load prediction, renewable energy output power prediction and the like to accurately predict wind power generation power; thus, wind power plant output power and renewable energy source compensation heat can be reasonably predicted; then the stable wind power output system which can stabilize wind energy fluctuation can be formed based on compressed air stored energy, a solar heat collector and a fuel gas afterburning device.

Description

technical field [0001] The invention relates to the technical field of renewable energy utilization, in particular to a stable wind farm output system and a working method thereof. Background technique [0002] With the depletion of traditional energy sources and the increasingly serious climate problems caused by fossil fuel combustion emissions, energy supply and environmental protection have become bottlenecks restricting social and economic development. The effective use of renewable energy has been valued by countries all over the world. As a clean and renewable energy, wind energy has a huge content. In recent years, due to the maturity of wind power technology, its installed capacity has grown rapidly. However, due to the intermittence and uncertainty of wind energy, the connection of wind power as an unstable power generation terminal will have an impact on the power grid, so the phenomenon of "wind abandonment" is serious in various places. Therefore, developing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38
CPCH02J3/003H02J3/386H02J2203/20Y02E10/76
Inventor 吕博张涛刘海艳张冬霞
Owner SHANGHAI BOLING ENERGY TECH
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