武川至察右中旗500KV送電線路路徑方案決策研究
[Abstract]:With the development of economy and the sharp increase of power load in large and medium-sized cities, the demand for electricity in the market is also increasing, and the voltage level of transmission lines is also rising. The power supply level of 220kv power grid has been unable to meet the needs of development. 500kv high voltage power grid engineering has become the inevitable trend of power grid construction, and the transmission line is an important part of power grid construction, which undertakes the important task of transmitting and distributing electric energy. The quality of transmission line will have a direct impact on the safe operation of transmission line, the quality of transmission power and the overall cost of the project. Therefore, the choice of 500kv transmission line path scheme is an important link in line engineering design. Making scientific and reasonable decisions on transmission line path scheme not only plays a guiding role in the further design of transmission line engineering. It is also of great significance to the regional power demand and the long-term planning of the power grid. Based on the present situation of the development of transmission line engineering and the research status of transmission line path scheme decision, this paper takes the 500KV transmission line project from Wuchuan to Chayou Zhongqi as the research object. On the basis of expounding the principles and steps of the transmission line path scheme decision, this paper introduces the present situation and overall planning of the power system of the 500KV transmission line project from Wuchuan to Chayou Zhongqi. According to the characteristics of 500KV transmission line project from Wuchuan to Chayou Zhongqi, this paper makes a qualitative and quantitative analysis of the factors that affect the decision of the line path scheme of the project, and sums up the main influencing factors. Therefore, the evaluation index system of 500KV transmission line path scheme decision from Wuchuan to Chayou Zhongqi is constructed, and the comprehensive evaluation method combining analytic hierarchy process (AHP) and TOPSIS method is applied to the transmission line path scheme decision. The decision model of 500KV transmission line path scheme from Wuchuan to Chayou Zhongqi is constructed, the alternative line path scheme is optimized, the optimal path scheme is obtained, and the rationality of the selected scheme is analyzed. The research content of this paper provides a reference for route decision-making of transmission line.
【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
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