Abstract
In the background of exhaustion of the traditional fossil energy sources, developing renewable energy has become a strategic choice for China to achieve energy sustainable utilization and energy security. The coordination between renewable energy generation and the traditional power grid is a problem that needs to be solved in the development of the power grid. The three sectors of power generation, transmission, distribution, and scheduling are considered comprehensively in this paper and an evaluation index system for the development of renewable energy and traditional power grid is designed. The traditional method of Technique for Order Preference by Similarity to Ideal Solution （TOPSIS） is improved using the idea of matter element extension, and mathematical model of comprehensive evaluation is constructed. Combined with the development index data of a regional power grid and renewable energy sources in Ningxia province, this paper applied the evaluation model to empirical research. The results show that the model meets the real situation of development of the regional power grid and renewable energy generation and has certain reference and promotion significance.
Highlights
Due to the exhaustion of traditional fossil energy and deterioration of the ecological environment, renewable energy has been favored by many countries all over the world owing to its low pollution, being environmental friendly, renewable features and other characteristics [1,2]
The comprehensive evaluation of the regional power grid and the renewable energy power source based on entropy weight method and improved TOPSIS method are as follows [39]
Based on the principle of comprehensive evaluation index selection, the regional power grid and renewable energy power generation are considered comprehensively, coordination evaluation index system of regional power grid and renewable energy power supply development is developed from the three aspects of power generation, transmission, distribution and scheduling
Summary
Due to the exhaustion of traditional fossil energy and deterioration of the ecological environment, renewable energy has been favored by many countries all over the world owing to its low pollution, being environmental friendly, renewable features and other characteristics [1,2]. The development of renewable energy has become China’s strategic choice for sustainable utilization of energy and energy security. China’s renewable energy power generation has been developing rapidly in last ten years, and wind power in China has the largest scale and fastest development in the world [3]. The projection of the renewable energy provides alternative for sustainable utilization of energy in China. The characteristics of instability, random fluctuations, large-scale and centralized renewable development mode of renewable energy have brought great challenges to power grid planning and construction and operation in China [4]
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