Parameter optimization method and system for participation of energy storage battery in secondary frequency modulation of power grid
An energy storage battery, secondary frequency modulation technology, applied in the direction of AC network load balancing, reducing/preventing power oscillation, etc., to improve frequency modulation processing capability and power energy control capability, enhance grid frequency adjustment capability, and enhance stability and accuracy. Effect
Pending Publication Date: 2021-11-16
NARI TECH CO LTD +4
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[0004] The present invention provides a parameter optimization method and system for the energy storage battery to participate in the secondary frequency regulation of the power grid, which solves the problems disclosed in the background technology
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[0041] 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.
[0042] Such as figure 1 As shown, a parameter optimization method for the energy storage battery to participate in the secondary frequency regulation of the power grid includes the following steps:
[0043] Step 1, extracting grid area control deviation signal (ACE signal);
[0044] Step 2, decompose the regional control deviation signal of the grid to obtain the parameters of the energy storage battery;
[0045] Step 3, evaluate the benefit value of each energy storage battery parameter participating in the secondary frequency regulation;
[0046] Step 4, according to the benefit value, screen the parameters of the energy storage battery;
[0047] Step 5, evaluating the effect index value o...
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The invention discloses a parameter optimization method and system for participation of an energy storage battery in secondary frequency modulation of a power grid. The method comprises the steps of obtaining energy storage battery parameters from a power grid region control deviation signal, screening the energy storage battery parameters according to the benefit value of the energy storage battery parameters participating in secondary frequency modulation, and performing energy storage battery parameter optimization according to the screened effect index values of the energy storage battery parameters participating in the secondary frequency modulation, so that the stability and accuracy of the secondary frequency modulation process of the energy storage battery are enhanced, the power grid frequency adjustment capability of the energy storage battery is enhanced, and the frequency modulation processing capability and the electric energy control capability of the energy storage battery and the power grid unit are improved on the whole.
Description
technical field [0001] The invention relates to a parameter optimization method and system for an energy storage battery participating in secondary frequency regulation of a power grid, belonging to the technical field of power grids. Background technique [0002] With the continuous development of new electric energy, electric power resources have become an indispensable resource for people's production and life. Therefore, the application range of power resources is getting wider and wider, and some problems have also appeared accordingly, especially the instability of large-scale power grid units. In this regard, the combined application technology of energy storage batteries and power grids has received extensive attention. [0003] At present, in order to achieve a higher degree of adaptation between the energy storage battery and the grid unit, and to achieve more precise control of the grid frequency adjustment, the second frequency adjustment of the energy storage b...
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Login to View More IPC IPC(8): H02J3/24H02J3/32
CPCH02J3/24H02J3/32
Inventor 周天李吉晨傅国斌扈卫卫黄燕王学斌常康丁玉杰李延和汪马翔
Owner NARI TECH CO LTD