Abstract
The power industry involves people’s livelihood. While ensuring the normal operation of the power system, power companies also need to consider strengthening line loss management to promote grid efficiency. Through grounded theory, 19 factors affecting regional distribution network line loss are extracted from the management and technical perspectives. The Apriori algorithm is used to analyze the data of Chuzhou distribution network line loss rate, and the connection between different influencing factors and line loss rate is analyzed. Association rules are used to filter out the key influencing factors. Finally, the calculation results of the Apriori algorithm and the interpretation structure model (ISM) are combined to make up for the shortcomings of ISM’s strong subjectivity and draw the influence path diagram of the regional distribution network line loss rate based on Apriori-ISM. The results show that measurement errors, the number of strain-resistant sections, the total number of special transformers, the cross-sectional area of conductors, the number of aging transformers, load switching, power theft, and operating time are the direct factors affecting the line loss rate of the regional distribution network, whose confidence levels are 100%, 81.06%, 91.76%, 89.36%, 89.38%, 83.23%, 84.39% and 90.53% respectively, and the correlation is strong.
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