Reliability Evaluation Method of Distribution Network Considering Differential Reliability Requirements of End Users
2021
As an important part of the entire electricity market system, the needs of users should be given priority However, the existing reliability evaluation methods of distribution system fail to fully reflect the impact of end users' differentiated reliability requirements on the evaluation. Therefore, A method for reliability evaluation of distribution system considering the differentiated reliability requirements of end users is proposed. First, the reliability indicators are classified and counted. Then based on the entropy weight-analytic hierarchy process and the coefficient of variation-analytic hierarchy process to solve the established distribution network reliability loss model and contribution model, and the comprehensive weight of the reliability index is obtained. At the same time, according to the power consumption information of end users, the industrial, commercial, and residential operation modes of the distribution network to be evaluated are distinguished. The participation degree of different types of reliability indicators is calculated, and finally the comprehensive scores of the distribution network evaluation for different types of end-user reliability requirements are obtained. The calculation example analysis shows that, the proposed method can reasonably consider the influence of different types of users' reliability requirements on power supply reliability evaluation. The accuracy of distribution system reliability assessment is further improved.
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