Method for evaluating investment effect of power distribution network based on fuzzy interval hierarchy analysis method
An AHP, fuzzy interval technology, applied in resources, data processing applications, instruments, etc., can solve problems such as solution accuracy deviation, judgment uncertainty, etc., and achieve the effect of high computing efficiency
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[0065] A method for evaluating the effectiveness of distribution network investment based on the fuzzy interval analytic hierarchy process was set up using operating data from 14 prefecture and municipal companies in a certain province. The data used in the test is based on the survey data of the distribution network status of the State Grid Corporation and the year-end summary statistical data. The statistical and calculation software is MATLAB.
[0066] 1. Import the basic index data and standardize the data according to the fuzzy membership function. Among the indicators, "comprehensive voltage qualification rate", "high-voltage distribution network N-1 pass rate", "medium-voltage distribution line connection rate" and other indicators are positive indicators, using formula (1) to find the degree of membership; "high loss Indicators such as the proportion of distribution transformers, the proportion of medium-voltage and heavy-duty lines, and the comprehensive ...
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