【摘要】：電力的安全、穩(wěn)定和充足供應,是國民經(jīng)濟穩(wěn)定發(fā)展的重要條件。而配電網(wǎng)規(guī)劃工作在電力系統(tǒng)的建設與發(fā)展中起著至關重要的作用。配電網(wǎng)規(guī)劃設計是一項系統(tǒng)性工程,其包含了較多的不確定因素,涉及到廣泛的工程領域,具有非確定性程度高、系統(tǒng)規(guī)模大等特點。在制定配電網(wǎng)規(guī)劃方案時,需要做到盡量準確地預測電網(wǎng)的未來發(fā)展趨勢,合理掌控電網(wǎng)的發(fā)展建設與運行水平,確保規(guī)劃方案能夠適應未來發(fā)展的需要。這就要求對配電網(wǎng)規(guī)劃方案開展綜合評價工作。因此,本文就配電網(wǎng)規(guī)劃綜合評價問題展開研究,進行了如下幾個方面的工作： 充分研究當前配電網(wǎng)規(guī)劃綜合評價工作的研究現(xiàn)狀與進展,并結合規(guī)劃工作實際的特點與需求,建立了一套較為科學完善的配電網(wǎng)規(guī)劃方案綜合評價指標體系,主要從供電協(xié)調性、發(fā)展適應性、經(jīng)濟性、安全可靠性等四個方面展開；基于層次分析的思想,由上至下共分為目標層、準則層、子準則層、措施層等四個指標層次；對于措施層的每個評價指標進行詳細的定義與描述。 隨著微電網(wǎng)的深入研究與推廣應用,微電網(wǎng)接入對于配電網(wǎng)規(guī)劃經(jīng)濟性、可靠性、環(huán)保效益等各方面的影響,亟需納入規(guī)劃綜合評價工作。建立了微電網(wǎng)規(guī)劃綜合效益評價指標體系,并將其納入配電網(wǎng)規(guī)劃評價指標體系統(tǒng)一評價分析。 綜合分析了各種常用的綜合評價方法,針對其優(yōu)缺點,提出了基于德爾菲法修正的層次分析法,該方法能夠較好地適用于評價指標體系權重配置；基于方案判斷矩陣實現(xiàn)措施層指標評分的優(yōu)化處理；最后根據(jù)評價指標體系逐層向上遞推,形成綜合評價模型。 以某城市局部區(qū)域配電網(wǎng)規(guī)劃為實例,根據(jù)本文建立的評價指標體系與綜合評價模型,對不同的配電網(wǎng)規(guī)劃方案進行評價,驗證了評價指標體系與綜合評價模型的可行性與有效性。
[Abstract]:The security, stability and sufficient supply of electric power are the important conditions for the steady development of the national economy. Distribution network planning plays an important role in the construction and development of power system. Distribution network planning and design is a systematic project, which contains many uncertain factors and involves a wide range of engineering fields. It has the characteristics of high degree of uncertainty and large scale of system. It is necessary to forecast the future development trend of distribution network accurately, control the level of development, construction and operation of power grid reasonably, and ensure that the planning scheme can meet the needs of future development. This requires a comprehensive evaluation of the distribution network planning program. Therefore, in this paper, the comprehensive evaluation of distribution network planning has been studied, and the following work has been done: the current research status and progress of the comprehensive evaluation of distribution network planning are fully studied. Combined with the actual characteristics and requirements of the planning work, a set of scientific comprehensive evaluation index system of distribution network planning scheme is established, mainly from four aspects of power supply coordination, development adaptability, economy, safety and reliability. Based on the idea of AHP, it is divided into four levels from top to bottom: target layer, criterion layer, sub-criterion layer and measure layer. Each evaluation index of measure layer is defined and described in detail. With the further research and application of microgrid, the impact of microgrid access on distribution network planning economy, reliability, environmental protection benefits and other aspects need to be included in the comprehensive planning evaluation. The comprehensive benefit evaluation index system of microgrid planning is established and integrated into the unified evaluation analysis of distribution network planning evaluation index system. According to the advantages and disadvantages of various commonly used comprehensive evaluation methods, a modified AHP method based on Delphi method is put forward, which can be applied to the weight allocation of evaluation index system. Finally, according to the evaluation index system, the comprehensive evaluation model is formed. Taking the local distribution network planning of a city as an example, according to the evaluation index system and comprehensive evaluation model established in this paper, the different distribution network planning schemes are evaluated. The feasibility and effectiveness of the evaluation index system and the comprehensive evaluation model are verified.
【學位授予單位】：浙江大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM715

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本文編號：2378827