考虑清洁能源接入系统的节能调度研究

发布时间：2018-06-08 18:49

本文选题：节能调度 + 清洁能源　；参考：《长沙理工大学》2015年硕士论文

【摘要】：电力行业作为能源消耗与气体排放的主要领域,节能调度为其可持续发展提供了可靠保障。利用清洁能源发电是实现电力系统节能减排的重要途径。在节能调度及其扩展延伸的背景下,进行清洁能源接入系统的优化调度研究具有十分重要的意义。论文详细介绍了广东电网节能调度模拟系统的结构与功能,并利用该系统进行调度模拟计算,分析节能、经济、环保等多种调度效果。综合节能调度的定义与广东节能调度模式的实际情况,从节约化石能源、降低网络损耗以及发挥可再生能源的替代作用等三个方面剖析节能调度的内涵;结合三公调度、电力市场与低碳电力的发展情况,对节能调度进行多种概念性的拓展。在广东节能调度模式中,水电计划与火电计划是分开进行编制,为充分考虑节能调度发挥可再生能源替代作用的内涵,针对水火电力系统分别建立以火电机组出力调整量最小与系统燃料消耗最小为目标的水电调峰模型、以水电发电量最大与系统燃料消耗最小为目标的火电调峰模型;仿真结果表明,采用水电调峰策略可以充分利用水电的调峰能力,使用火电调峰策略能有效发挥水电的替代作用,根据不同来水情况选择合理的调度策略,能够更加高效的利用水力资源。为进一步探讨节能调度在低碳背景下的拓展,针对风水火联合系统建立以高效利用清洁能源、保证火电机组平稳运行、降低系统燃料消耗与碳排放为目标的调度模型;算例分析表明,风水火联合系统在全额消纳风电的基础上,通过合理调用碳捕集机组,可缓解水电的调峰压力,在提高水电利用效率的基础上,减少系统二氧化碳的排放量。对含水电、风电等清洁能源的系统进行节能调度研究,深入挖掘系统的节能潜力,通过制定合理的调度计划,有效的提高了清洁能源利用效率,并且对促进节能调度的推广与应用具有重要的实践意义。
[Abstract]:As the main field of energy consumption and gas emission, power industry provides reliable guarantee for its sustainable development. Using clean energy to generate electricity is an important way to realize energy saving and emission reduction in power system. In the context of energy-saving scheduling and its extension, it is of great significance to study the optimal scheduling of clean energy access systems. This paper introduces in detail the structure and function of the energy saving dispatching simulation system of Guangdong power network, and uses the system to carry on the simulation calculation of the dispatching, analyzes the energy saving, economic, environmental protection and other scheduling effects. The definition of comprehensive energy-saving dispatching and the actual situation of Guangdong energy-saving dispatching mode, the connotation of energy-saving scheduling is analyzed from three aspects: saving fossil energy, reducing network loss and giving play to the substitution of renewable energy. With the development of power market and low carbon power, the concept of energy saving dispatching is expanded. In Guangdong energy conservation dispatching mode, hydropower plan and thermal power plan are compiled separately. In order to give full consideration to the connotation of renewable energy substitution, Aiming at the hydro-thermal power system, the models of hydropower peak shaving aiming at the minimum output adjustment quantity and the minimum fuel consumption of thermal power unit are established, and the thermal power peak shaving model aiming at the maximum power generation and the minimum fuel consumption of the system is established respectively. The simulation results show that the peak-shaving strategy can make full use of the peak-shaving ability of hydropower, and the thermal power peak-shaving strategy can play an effective role in the substitution of hydropower. More efficient use of hydraulic resources. In order to further explore the expansion of energy-saving scheduling under the low carbon background, a scheduling model with the aim of utilizing clean energy efficiently, ensuring the smooth operation of thermal power units and reducing system fuel consumption and carbon emissions was established for the Fengshui fire joint system. The numerical example shows that on the basis of fully absorbing wind power and reasonably using carbon capture unit, the wind water fire combined system can relieve the peak pressure of hydropower, and reduce the carbon dioxide emissions of the system on the basis of improving the efficiency of hydropower utilization. The energy-saving scheduling of the system with clean energy such as hydropower and wind power is studied, and the energy saving potential of the system is deeply excavated. By making a reasonable scheduling plan, the efficiency of clean energy utilization is effectively improved. And it has important practical significance to promote the popularization and application of energy saving dispatching.
【学位授予单位】：长沙理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TM73

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