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A new energy generation active power smoothing control method, system and storage medium

A technology of active power and smooth control, which is applied in the direction of single-network parallel feeding arrangement, etc., to achieve the effects of reducing dependence, saving construction costs, and stabilizing the effect

Active Publication Date: 2021-10-01
NARI TECH CO LTD +5
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  • Application Information

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Problems solved by technology

The variable time constant filter design in this strategy actually slows down the SOC deviation degree of the energy storage system by changing the filtering depth. The SOC management strategy of the energy storage system does not propose an active correction control strategy for the return of the SOC to the median value. The application effect has certain limitations

Method used

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  • A new energy generation active power smoothing control method, system and storage medium
  • A new energy generation active power smoothing control method, system and storage medium
  • A new energy generation active power smoothing control method, system and storage medium

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Embodiment Construction

[0068] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0069] figure 1 It shows a schematic flow chart of the new energy generation active power smoothing control method of the embodiment of the present invention; it should be understood that before implementing the method, a main control system has been established in the application of the regional power grid dispatching center AGC (Automatic Generation Control, AGC) area and a new energy logic control area.

[0070] Among them, the main control area is used to implement the conventional regional control of the interconnected grid, and the control goal is to "maintain the frequency of the grid within the control range" and or "maintain the exchange power between this control area and other adjace...

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Abstract

The invention discloses a new energy power generation active power smooth control method, system and storage medium. The method includes the steps of: acquiring the total power generation active power of all new energy stations in a regional power grid and the rated power of a new energy storage system; Calculate the active power smoothing target deviation based on the active power smoothing target of new energy power generation and the total active power of new energy stations; determine the active power that can meet the requirements of new energy power generation based on the active power smoothing target deviation and the rated power of the new energy storage system The control target of the new energy storage system for smooth control demand; smooth control of the active power of the new energy according to the determined control target of the new energy storage system. The invention can realize the complementation and offset of active power fluctuations between new energy stations, effectively reduce the active power fluctuations of new energy sources, and reduce the construction cost of grid-connected supporting facilities for new energy stations.

Description

technical field [0001] The present invention relates to the field of new energy technologies, in particular to a method, system and storage medium for smoothing active power generation of new energy power generation. Background technique [0002] At present, the new energy power generation represented by wind power and photovoltaic is affected and restricted by natural conditions such as wind speed and sunlight, and its output power has randomness and volatility, which has a negative impact on the power quality and stability of the power grid, and further affects Safe and stable operation of the power system. As a kind of electric energy throughput equipment, energy storage technology is considered to be an effective means to control the output of new energy and improve the power fluctuation of new energy when it is applied to new energy power generation. The energy storage system is not a primary energy source, and there are problems such as capacity limitations and operat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/48
CPCH02J3/48
Inventor 于昌海吴继平杨海晶李朝晖李文启宋宁希滕贤亮涂孟夫丁恰张小白徐瑞谈超
Owner NARI TECH CO LTD
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