【摘要】：隨著世界能源結(jié)構(gòu)的改革,以及在節(jié)能減排和提高電力能耗利用率的大背景下,可再生能源大規(guī)模的接入,對系統(tǒng)的調(diào)峰調(diào)頻能力提出了更高的要求。而大力發(fā)展需求側(cè)管理,充分發(fā)揮供電系統(tǒng)與負(fù)荷用戶側(cè)的雙向互濟(jì)對于智能電網(wǎng)的發(fā)展,意義重大。同時,負(fù)荷調(diào)度也已經(jīng)發(fā)展成為智能電網(wǎng)新型信息化改革的重要標(biāo)志和功能。在分布式電源接入的電網(wǎng)中,研究如何將負(fù)荷側(cè)資源常規(guī)化的納入電力系統(tǒng)的調(diào)度運(yùn)行中以及如何有效發(fā)展需求側(cè)管理,已經(jīng)成為具有現(xiàn)實(shí)意義和工程價(jià)值的重要研究課題。 本文針對發(fā)用電互濟(jì)模式下,負(fù)荷調(diào)度的研究與實(shí)踐展開深入研討。首先,從用戶側(cè)對調(diào)度的影響角度出發(fā),系統(tǒng)分析了分布式發(fā)電的源荷特性和對調(diào)度模式的影響,分析分時電價(jià)的經(jīng)濟(jì)杠桿調(diào)節(jié)作用,以及可中斷負(fù)荷對提高系統(tǒng)調(diào)峰調(diào)頻能力的巨大潛力；其次,概要總結(jié)了智能電網(wǎng)下需求響應(yīng)和負(fù)荷調(diào)度的種類,并基于二者最終提出了發(fā)用電互濟(jì)模式這一核心理論；再次,討論了發(fā)用電互濟(jì)對負(fù)荷調(diào)度的新要求,并重點(diǎn)通過引入分時電價(jià)手段,以綜合考慮可中斷負(fù)荷的需求側(cè)響應(yīng)對發(fā)用電經(jīng)濟(jì)影響為基礎(chǔ)建立了發(fā)用電調(diào)度計(jì)劃模型；最后,基于數(shù)學(xué)模型提出“五原則”的策略核心,并通過IEEE14節(jié)點(diǎn)驗(yàn)證模型的經(jīng)濟(jì)性,結(jié)合某地區(qū)日負(fù)荷數(shù)據(jù)算例設(shè)計(jì)了引入階梯電價(jià)和可中斷負(fù)荷對負(fù)荷曲線影響的機(jī)組組合方案,從而驗(yàn)證了本文所提出模型和策略的可行性和有效性。
[Abstract]:With the reform of energy structure in the world and under the background of saving energy and reducing emission and improving the efficiency of energy consumption, the large scale access of renewable energy has put forward higher requirements for the peak-shaving and frequency modulation ability of the system. It is of great significance for the development of smart grid to develop the demand-side management and give full play to the two-way mutual aid between power supply system and load user side. At the same time, load dispatching has become an important symbol and function of smart grid information reform. In the distributed power network, it has become an important research topic with practical significance and engineering value to study how to regularize the load side resources into the dispatching operation of power system and how to effectively develop the demand side management. In this paper, the research and practice of load dispatching are discussed in detail. Firstly, from the point of view of the influence of the user side on the dispatching, the characteristics of the distributed generation and the influence on the dispatching mode are analyzed systematically, and the economic leverage of the time-sharing price is analyzed. And the great potential of interruptible load to improve the capacity of peak-shaving and frequency modulation of the system; Secondly, the types of demand response and load dispatch under smart grid are summarized, and the core theory of power generation and power mutual aid mode is put forward based on the two theories. Thirdly, the paper discusses the new requirements of power generation and power supply to load dispatching, and establishes the dispatching plan model based on the comprehensive consideration of the demand side response of interruptible load on the basis of introducing time-sharing pricing method. Finally, the core of the "five principles" strategy is proposed based on the mathematical model, and the economy of the model is verified by the IEEE14 node. Combined with the daily load data of a certain area, a unit combination scheme with the influence of step electricity price and interruptible load on the load curve is designed, which verifies the feasibility and validity of the proposed model and strategy.
【學(xué)位授予單位】：華北電力大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM73

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