Abstract
Smart energy station plays the pivotal role of power grid in energy collection, transmission, conversion and utilization due to its characteristics of multi-station integration. In order to accurately evaluate the energy efficiency level of smart energy stations and achieve economic and efficient electricity consumption, an energy efficiency evaluation system suitable for the form of three stations in one is proposed. Firstly, the influencing factors of energy consumption of each station are analyzed, the index system of smart energy stations is established, and the calculation method of each index is given. Secondly, based on the index system of energy efficiency, through the combination of the subjective weighting method and entropy evaluation method to determine the index weight, combined with the score and weight of energy efficiency for smart energy efficiency assessment, based on three different running environment of wisdom energy station simulation comparison, get the efficiency score, verify the feasibility of the assessment method, and gives specific suggestions on saving energy consumption.
Highlights
Power grid enterprises are exploring the integrated construction of substation, data center and energy station by utilizing advantages such as transformer resources, in order to form an intelligent energy saving intelligent energy station [1,2]
Starting from the definition of energy consumption, the energy efficiency evaluation system of smart energy stations is established according to the principle of Analytic Hierarchy Process (AHP)
There are many factors and different principles to consider in energy efficiency assessment
Summary
Power grid enterprises are exploring the integrated construction of substation, data center and energy station by utilizing advantages such as transformer resources, in order to form an intelligent energy saving intelligent energy station [1,2]. Based on modular equipment and comprehensive energy efficiency management platform, data center station can make up for the shortage of cloud, realize the. Literature [3] proposes a comprehensive energy efficiency assessment method suitable for static, dynamic and technical and economic analysis of power grids. Literature [4] constructs the energy efficiency evaluation index system of substation from four perspectives: electrical equipment performance, system operating state, building structure performance and operating environmental factors. Literature [5] compares the energy efficiency difference between AC and DC power distribution schemes of optical storage and charging stations. With the rise of smart energy stations, the energy efficiency evaluation system of smart energy stations is becoming more and more important
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