工業(yè)部門電力能效的實證分析
[Abstract]:Power energy can be produced in large scale and transported over long distances, clean and clean, easy to convert, and has advantages that other energy sources do not have. As the main energy consumption in China, electric power plays an irreplaceable and vital role in national life and economic development. China's industrial electricity consumption accounts for about 70 percent of the total electricity consumption of the whole society. Therefore, studying the evolution law and promotion strategy of electric energy efficiency in the industrial sector of our country can effectively improve the energy efficiency of electric power, narrow the power gap to a large extent, and stabilize the health of the electric power industry and the national economy. Sustainable development has important practical significance. In this paper, the current situation of electric energy consumption in industrial sector of China is studied, and the level of electric energy consumption in different industries and regions is compared and analyzed. Secondly, the energy efficiency of single element of electric power in industrial sector of our country is calculated. The change trend of the power consumption intensity is analyzed, and the intensity effect and the structure effect of the power consumption intensity change in China's industrial sector are analyzed from the industry level by using the factor decomposition model of the power consumption intensity. Then, the paper uses data envelopment analysis (DEA) to measure the energy efficiency of all factors in the industrial sector of our country, and then selects four variables: industrial structure, energy consumption structure, technological progress and the degree of opening to the outside world as the influencing factors. Vector autoregressive model (VAR) and impulse response function (IRF) are used to analyze the effect of each factor itself on energy efficiency, and the long-term equilibrium relationship between factors and energy efficiency is discussed. In view of the factors restricting the improvement of electric energy efficiency in the industrial sector of China, the potential of energy saving in the key fields of power consumption is excavated in depth, and a reasonable strategy for improving the energy efficiency of electric power is put forward. The results show that the power intensity of the industrial sector in China is decreasing year by year, which is influenced by the industrial structure, technology level, energy consumption structure and the degree of opening to the outside world, but the input and economic output of all factor electric energy are far from reaching the optimal state. It can improve the efficiency of industrial electric energy utilization from the aspects of science and technology level, industrial structure, electricity price reform, electricity saving propaganda and so on.
【學位授予單位】:華北電力大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:F426.61;F224
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