武川至察右中旗500KV送电线路路径方案决策研究

发布时间：2019-05-10 22:06

【摘要】：随着我国经济的发展以及大中型城市用电负荷剧增，市场对电力的需求也不断增加，送电线路的电压等级也随之升高，220kv电网的供电水平已经无法满足发展的需要，500kv高压电网工程成为电网建设的必然趋势，而送电线路则是电网建设中的重要组成部分，承担着输送和分配电能的重要任务，送电线路的好坏将对送电线路的安全运行和输送电质量以及工程的整体造价有直接影响。因此对500kv送电线路路径方案的选择是线路工程设计的重要环节，对送电线路路径方案进行科学合理的决策，不仅对送电线路工程的进一步设计起到指导作用，还对地区的现实电力需要和电网长远规划都具有重要意义。本文从送电线路工程发展的现状和送电线路路径方案决策的研究现状出发，以武川至察右中旗500KV送电线路工程为研究对象，在阐述送电线路路径方案决策的原则和步骤等理论的基础上，通过介绍武川至察右中旗500KV送电线路工程所属电力系统的现状和整体规划，，针对武川至察右中旗500KV送电线路工程的特点，对影响该工程线路路径方案决策的因素进行定性和定量的分析，归纳出主要影响因素，由此构建武川至察右中旗500KV送电线路路径方案决策的评价指标体系，并将层次分析法和TOPSIS法相结合的综合评价方法应用于送电线路路径方案决策中，构造武川至察右中旗500KV送电线路路径方案决策模型，对备选的线路路径方案进行优选，得出最优路径方案，并对优选出的方案进行合理性分析，本文所研究内容为送电线路的路径决策工作提供了参考。
[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.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：F426.61

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