【摘要】：隨著我國人口的增加以及人們生活水平的提高,用戶對冷、熱、電方面的需求也在持續(xù)增長,節(jié)能和環(huán)保成了今后發(fā)展的趨勢。此外,由于我國人均資源相對短缺,可再生能源發(fā)揮著越來越重要的作用。本文探討了可再生能源與傳統(tǒng)能源結(jié)合的供能方式,并在企業(yè)用能的基礎(chǔ)上,引入了儲能策略,同時對儲能實例進行分析驗證。首先,確定商務(wù)區(qū)用能的特點和用能結(jié)構(gòu),對用能方面涉及的能源系統(tǒng)進行分析,對分布式供能系統(tǒng)、太陽能系統(tǒng)以及地?zé)崮芟到y(tǒng)的耦合特性進行研究分析,形成聯(lián)合供能系統(tǒng)。其次,建立多能源模型。考慮到企業(yè)在生產(chǎn)過程有著多重目標(biāo),如滿足供能的需求,降低成本,減少溫室氣體和污染物的排放等。根據(jù)目標(biāo)的重要程度,通過多目標(biāo)規(guī)劃的方法建立多目標(biāo)能源模型,并通過LINGO軟件進行最優(yōu)化求解。同時,實際用能過程中的可再生能源的不穩(wěn)定性也加以考慮。再次,短期內(nèi)用戶負(fù)荷的變化會引起產(chǎn)能設(shè)備功率的波動,降低運行的效率。本文建立基于用戶需求響應(yīng)的連續(xù)時間模型,通過ORIGIN軟件對用能曲線進行擬合,確定目標(biāo)函數(shù)使產(chǎn)能設(shè)備功率和儲能設(shè)備儲能量的總波動性最小化。同時研究企業(yè)的最優(yōu)儲能策略,并結(jié)合實例進行分析。最后,對多能源系統(tǒng)的節(jié)能特性、可再生能源滲透率、環(huán)境影響性以及經(jīng)濟性幾個方面進行評價分析。同時,結(jié)合用戶典型日的用能方案,對多能源系統(tǒng)的效率和經(jīng)濟性進行驗證分析。此外,對外界條件變化對模型最優(yōu)解的影響也加以考慮,更細(xì)致、全面的研究不同因素對模型造成的影響。
[Abstract]:With the increase of population and the improvement of people's living standard, the demand of users for cold, heat and electricity is also increasing. Energy saving and environmental protection become the trend of development in the future. In addition, due to the relative shortage of per capita resources in China, renewable energy is playing an increasingly important role. In this paper, the energy supply mode of the combination of renewable energy and traditional energy is discussed. On the basis of energy consumption in enterprises, the energy storage strategy is introduced, and an example of energy storage is analyzed and verified. First of all, determine the characteristics and structure of energy use in the business district, analyze the energy systems involved in energy use, study and analyze the coupling characteristics of distributed energy supply system, solar energy system and geothermal energy system. Form a joint energy supply system. Secondly, establish multi-energy model. Considering that enterprises have many goals in the production process, such as meeting the demand of energy supply, reducing the cost, reducing the emission of greenhouse gases and pollutants, etc. According to the importance of the target, the multi-objective energy model is established by multi-objective programming, and the optimization is solved by LINGO software. At the same time, the instability of renewable energy in the process of actual energy use is also taken into account. Thirdly, the change of user load in short term will cause the fluctuation of capacity equipment power and reduce the efficiency of operation. In this paper, a continuous time model based on user demand response is established, and the energy use curve is fitted by ORIGIN software, and the objective function is determined to minimize the total fluctuation of capacity equipment power and energy storage capacity. At the same time, the optimal energy storage strategy of enterprises is studied, and an example is analyzed. Finally, the energy saving characteristics, renewable energy permeability, environmental impact and economy of multi-energy system are evaluated and analyzed. At the same time, the efficiency and economy of multi-energy system are verified and analyzed with the typical daily energy use scheme. In addition, the influence of the change of external conditions on the optimal solution of the model is also taken into account, and the effects of different factors on the model are studied in detail and comprehensively.
【學(xué)位授予單位】：上海交通大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TK01

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