本文選題：儲能系統(tǒng) + 削峰填谷��； 參考：《華北電力大學》2014年碩士論文

【摘要】：經(jīng)濟的快速發(fā)展和人民生活水平的不斷提高,電力系統(tǒng)出現(xiàn)負荷峰谷差值逐年增大,而最大利用小時數(shù)卻逐年下降的現(xiàn)象。為了應對日益增長的負荷峰谷差值,需要投入大量人力物力進行電網(wǎng)負荷削峰填谷,但單純的依靠擴大投資規(guī)模增加裝機容量,或者單純的對輸配電線路進行升級擴容,不僅耗資巨大,且設(shè)備使用率較低。為了解決這一問題,本文提出了利用電池儲能系統(tǒng)進行配電網(wǎng)削峰填谷,降低峰谷差值的同時,通過儲能系統(tǒng)充放電實現(xiàn)收益。 首先,在現(xiàn)有典型削峰填谷控制策略的基礎(chǔ)上,提出了適合用于配電網(wǎng)削峰填谷的恒功率充放電策略和考慮實際約束條件的功率差控制策略,通過仿真分析比較了兩種控制策略的優(yōu)缺點；其次,根據(jù)電池儲能系統(tǒng)應用于配電網(wǎng)的實際情況,分析了儲能系統(tǒng)參與削峰填谷的經(jīng)濟性收益和投資成本。其中經(jīng)濟性收益主要包括直接收益、延緩電網(wǎng)設(shè)備投資、降低輸配電線路網(wǎng)損、降低所需備用容量、降低電網(wǎng)可靠性成本、環(huán)境效益和政府補貼等,投資成本主要包括初始投資成本及年運行維護成本；然后,基于各種電池的典型技術(shù)特性,選取適合用于配電網(wǎng)削峰填谷的電池,以經(jīng)濟性模型為基礎(chǔ),通過博弈論方法建模,采用遺傳算法進行優(yōu)化,得出多類型儲能系統(tǒng)用于配電網(wǎng)削峰填谷的電池選型及其最優(yōu)容量配置結(jié)果；最后,基于定容定型的電池儲能系統(tǒng),進行儲能電站規(guī)劃計算。
[Abstract]:With the rapid development of economy and the continuous improvement of people's living standard, the load peak and valley difference in power system increases year by year, but the maximum utilization hours decrease year by year. In order to cope with the increasing load peak and valley difference, we need to invest a lot of manpower and material resources to cut the load peak and fill the valley, but simply rely on expanding the scale of investment to increase the installed capacity, or simply upgrade and expand the transmission and distribution lines. Not only is the cost huge, but also the equipment utilization rate is low. In order to solve this problem, this paper proposes to use the battery energy storage system to cut the peak and fill the valley in the distribution network, reduce the peak and valley difference, and realize the revenue by charging and discharging the energy storage system at the same time. Firstly, on the basis of the existing typical control strategies for peak cutting and valley filling, a constant power charge and discharge strategy and a power difference control strategy are proposed, which are suitable for peak cutting and valley filling in distribution networks. The advantages and disadvantages of the two control strategies are compared by simulation. Secondly, according to the application of battery energy storage system in distribution network, the economic benefits and investment costs of energy storage system are analyzed. The economic benefits mainly include direct income, delaying investment in power network equipment, reducing network loss of transmission and distribution lines, reducing reserve capacity required, reducing reliability cost of power network, environmental benefit and government subsidy, etc. The investment cost mainly includes the initial investment cost and the annual operation and maintenance cost. Then, based on the typical technical characteristics of various batteries, the battery suitable for peak cutting and valley filling in distribution network is selected, based on the economic model, the model is modeled by game theory. Genetic algorithm is used to optimize the battery selection and optimal capacity configuration of multi-type energy storage system used for peak cutting and valley filling in distribution network. Finally, based on the fixed volume fixed battery energy storage system, the planning calculation of energy storage power station is carried out.
【學位授予單位】：華北電力大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM910

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