Power grid planning scheme evaluation system based on analytic hierarchy process and data envelopment analysis

Abstract

The invention relates to a comprehensive power grid planning scheme selection evaluation system based on combination of the analytic hierarchy process and the data envelopment analysis, and particularly belongs to the technical field of electric power system automation. The method is used for reasonably selecting a power grid planning construction scheme. By establishing a power grid planning multi-layer evaluation index system, the analytic hierarchy process and the data envelopment analysis are used for determining the weights of the indexes jointly, then, the degrees of correlation between all the schemes and the optimal scheme are calculated through a grey correlation degree, and the power grid planning scheme is evaluated. The comprehensive power grid planning scheme selection evaluation system based on combination of the analytic hierarchy process and the data envelopment analysis has very high fault tolerance, the defects that the analytic hierarchy process is too high in subjectivity and the data envelopment analysis cannot represent the preference of a decision maker can be effectively overcome, the distinction degree of the power grid planning schemes can be improved through the grey correlation degree, the advantages and disadvantages of the power grid planning schemes can be comprehensively balanced, and the system has wide application prospects in power grid planning.

Description

technical field [0001] The invention relates to the technical field of electric power system automation, in particular to an evaluation system for power grid planning schemes based on analytic hierarchy process and data envelopment method. Background technique [0002] Power grid planning is an important guarantee for the normal operation of the power industry. Whether a region's power grid operates well depends directly on whether the power grid planning is scientific and reasonable. With the gradual formation of the electricity market, power grid planning is no longer a single objective, but a complex nonlinear decision-making process with multiple objectives. [0003] The main problems in solving power grid planning are as follows: 1. There are many indicators in power grid planning, some of which are quantitative indicators, and some are qualitative indicators. Accurate quantification of each indicator is an important guarantee for scientific and rational planning of po...

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Problems solved by technology

[0006] In order to solve the above problems, the present invention provides an evaluation system for power grid planning schemes based on AHP and data envelopment method, which can not only weigh the preference of subjective decision makers and the reasonable degree of actual objectivity, but also effectively solve the problem of power grid planning Difficult to quantify indicators in program selection, complex decision-making objectives, uncertain factors and many other problems

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