【摘要】：進入21世紀以來，隨著我國經(jīng)濟的持續(xù)高速發(fā)展，電力建設也取得了巨大的成就，但是電力供應緊張的局面也日益突出。隨著農(nóng)村經(jīng)濟快速發(fā)展，農(nóng)民生活水平日益提高的同時，農(nóng)村用電量也持續(xù)保持高速增長，現(xiàn)存的農(nóng)村電網(wǎng)已不能滿足當前農(nóng)民的生產(chǎn)、生活需求。為了有效地解決電力供應緊張問題，國家投入了大量的人力、物力、財力來支持電力系統(tǒng)的發(fā)展，城市、農(nóng)村電網(wǎng)改造成為主要手段。 本文首先闡述了電網(wǎng)改造項目設計研究的背景及意義、國內(nèi)外研究現(xiàn)狀，然后對相關理論進行了介紹，緊接著通過對弓長嶺區(qū)電網(wǎng)建設現(xiàn)狀、用電需求現(xiàn)狀、電力供應現(xiàn)狀、電網(wǎng)運營現(xiàn)狀、調(diào)度通訊及自動化現(xiàn)狀及無功補償現(xiàn)狀等情況的分析，找出了該區(qū)電網(wǎng)現(xiàn)存的主要問題。對弓長嶺區(qū)電網(wǎng)改造項目進行合理地設計離不開對該區(qū)電力負荷狀況的預測，因此，本文在第四章選擇了灰色預測模型對弓長嶺區(qū)未來五年的電力負荷進行預測，并對預測結(jié)果進行了分析。在此基礎上，結(jié)合電網(wǎng)改造項目設計目標及技術(shù)設計要求，本文給出了弓長嶺區(qū)電網(wǎng)改造項目設計方案，包括變電站布點設計方案，調(diào)度、通信與自動化設計方案，，高壓配電網(wǎng)設計方案，項目投資估算及項目總體設計方案等五個方面。最后，針對弓長嶺區(qū)電網(wǎng)改造項目提出了針對性的建議。本文的研究結(jié)果對于實施弓長嶺區(qū)電網(wǎng)改造項目具有重要的指導意義與參考價值。
[Abstract]:Since the beginning of the 21st century, with the sustained and rapid development of China's economy, great achievements have been made in electric power construction, but the shortage of power supply has become increasingly prominent. With the rapid development of rural economy and the improvement of farmers' living standards, the rural electricity consumption has maintained a rapid growth, the existing rural power grid can not meet the current farmers' production and living needs. In order to effectively solve the shortage of power supply, the state has invested a lot of manpower, material and financial resources to support the development of the power system, and the transformation of urban and rural power grids has become the main means. In this paper, the background and significance of the project design and research, the current research situation at home and abroad, and then the related theories are introduced. Then, through the current situation of power grid construction, electricity demand and power supply in Gongchangling area, the paper introduces the current situation of power supply. Based on the analysis of the current situation of power network operation, dispatching communication and automation, and reactive power compensation, the main existing problems of the power network in this area are found out. The reasonable design of Gongchangling power network reconstruction project can not do without forecasting the electric load condition in this area. Therefore, in the fourth chapter, the grey forecasting model is selected to forecast the electric power load in the next five years in Gongchangling area. The prediction results are analyzed. On this basis, combined with the design objectives and technical design requirements of the power grid transformation project, this paper presents the design scheme of the power network transformation project in Gongchangling area, including substation layout design, dispatching, communication and automation design. High-voltage distribution network design plan, project investment estimation and project overall design plan. Finally, some specific suggestions are put forward for the power grid reconstruction project in Gongchangling area. The research results of this paper have important guiding significance and reference value for the implementation of Gongchangling power grid reconstruction project.
【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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