考虑需求响应的配电网规划方法研究

发布时间：2018-05-17 07:28

本文选题：配电网规划 + 需求响应　；参考：《东南大学》2016年硕士论文

【摘要】：随着全球化石能源的不断消耗,能源和环境问题日益突出。长时间以来,我国电力这一基本能源的生产都主要依靠火力发电,用户对于电力的需求也飞速增长。作为靠近用户端的配电网络,其具有扩建投资大、建设周期长、峰谷差值大等特点,一味依靠配电网扩容、新电厂建设难以满足不断增大的负荷需求,同时其经济性也较差。需求响应技术能够缓解短期电网容量短缺,调节电网尖峰负荷,可以延缓电网改造投资。分布式电源更加接近用户,具有绿色高效等特点,是电力工业发展的重要方向之一。因此,在传统的集中式发电、大电网运行的基础上,配电网系统中考虑需求响应和分布式电源是智能电网发展的必然趋势。本文首先介绍了配电网规划、需求响应技术发展的现状,阐述了配电网规划的一般方法,对综合资源规划方法做了重点分析并建立了相应的模型。然后在详细介绍需求响应技术的基础上,分析了需求响应对于配电网规划的重要影响,建立了相应的数学模型,并通过算例求解了需求响应的延缓投资作用及良好的成本效益性。随后介绍了分布式电源的概念和分类,分析了分布式电源接入后会对配电网造成的影响。在此基础上综合考虑供应侧和需求侧资源,提出了考虑需求响应和分布式电源的多目标配电网综合规划模型,通过优化配置需求响应和分布式电源来解决配电网容量不足的问题。最后通过运用Matlab软件编写了多目标粒子群算法,求解了实际算例,得到了相应的规划方案,验证了在配电网规划中考虑需求响应和分布式电源的可行性和经济性。
[Abstract]:With the global fossil energy consumption, energy and environmental problems become increasingly prominent. For a long time, the production of electricity as a basic energy source in China has mainly depended on thermal power generation, and the demand for electricity has also increased rapidly. As a distribution network close to the user, it has the characteristics of large investment in expansion, long construction period, large peak and valley difference, etc. The new power plant construction is difficult to meet the increasing load demand, and its economy is also poor. Demand response technology can alleviate the short-term power grid capacity shortage, adjust the peak load, and delay the investment in power grid transformation. Distributed power generation is one of the important directions in the development of electric power industry because it is closer to the user and has the characteristics of green and high efficiency. Therefore, on the basis of traditional centralized generation and large grid operation, it is an inevitable trend for smart grid to consider demand response and distributed generation in distribution network system. This paper first introduces the present situation of distribution network planning and demand response technology, expounds the general method of distribution network planning, analyzes the integrated resource planning method and establishes the corresponding model. Then, based on the detailed introduction of demand response technology, the important influence of demand response on distribution network planning is analyzed, and the corresponding mathematical model is established. An example is given to solve the delay investment effect and good cost benefit of demand response. Then, the concept and classification of distributed generation are introduced, and the influence of distributed generation on distribution network is analyzed. On this basis, considering the supply side and demand side resources, a multi-objective integrated distribution network planning model considering demand response and distributed generation is proposed. The problem of insufficient distribution network capacity is solved by optimizing demand response and distributed generation. Finally, the multi-objective particle swarm optimization algorithm is compiled by using Matlab software, and the practical example is solved, and the corresponding planning scheme is obtained, which verifies the feasibility and economy of considering the demand response and distributed generation in the distribution network planning.
【学位授予单位】：东南大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：TM715

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