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Firefly algorithm-based load model parameter determination method and device

A firefly algorithm and load model technology is applied in the field of load model parameter determination based on the firefly algorithm, which can solve problems such as low accuracy of calculation results, and achieve the effects of stable output results, improved accuracy, and improved accuracy.

Inactive Publication Date: 2021-03-19
YUNNAN POWER GRID
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  • Abstract
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Problems solved by technology

[0004] This application provides a load model parameter determination method and device based on the firefly algorithm to solve the problem of low accuracy of the calculation results of the electric load model in the prior art

Method used

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  • Firefly algorithm-based load model parameter determination method and device
  • Firefly algorithm-based load model parameter determination method and device
  • Firefly algorithm-based load model parameter determination method and device

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Embodiment Construction

[0043] The embodiments will be described in detail hereinafter, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following examples do not represent all implementations consistent with this application. These are merely examples of systems and methods consistent with aspects of the present application as recited in the claims.

[0044] see figure 1 , figure 1 It is a flowchart of a load model parameter determination method based on the firefly algorithm provided by the present invention. Such as figure 1 shown, including the following steps:

[0045] Step 101, establishing an objective function of the parameters of the electric load model.

[0046] In step 101, an objective function of parameters of an electric load model may be established. It sho...

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Abstract

The invention discloses a firefly algorithm-based load model parameter determination method and apparatus. The method comprises the steps of establishing an objective function of parameters of a powerload model; calculating a target function value of each firefly individual in the firefly population; calculating the maximum brightness of each firefly individual according to the target function value of each firefly individual; according to the maximum brightness of each firefly individual, determining a firefly king, a preparatory firefly king and a common individual in the firefly population; and determining target parameters of the power load model according to the firefly king, the prepared firefly king and the common individuals. Thus, through the firefly king and the preparatory firefly king, the accuracy of the calculation result of the power load model can be improved, meanwhile, the stability of the output result in the later iteration period can be ensured, and the accuracy of parameter identification can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of power systems, and in particular to a method and device for determining load model parameters based on the firefly algorithm. Background technique [0002] The power system is a system of energy production, transmission and utilization, which consists of three parts: power plants, transmission grids and power loads. With the continuous advancement of science and technology, the rapid development of industry and agriculture, the society's demand for electricity is increasing. [0003] Power load has the characteristics of complexity, time-varying and distribution, which makes power system load modeling very difficult. Due to the lack of an accurate load model, a static model with relatively conservative parameters is often used in system planning and design to obtain calculation results with a large margin, and the parameters of the corresponding equipment in the system are calculated or adjuste...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06G06N3/00H02J3/00
CPCG06Q10/04G06Q50/06G06N3/006H02J3/00H02J2203/20
Inventor 司大军徐衍会李玲芳周俊东孙鹏胡文岳游广增陈义宣陈姝敏何烨肖友强高杉雪
Owner YUNNAN POWER GRID
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