东北地区风电供暖分析研究

发布时间：2018-04-23 03:03

本文选题：风电并网 + 东北电网　；参考：《华北电力大学》2014年硕士论文

【摘要】：随着东北地区的风电装机容量的逐年增大，风电的大规模并网给电网安全、稳定运行带来较大影响。至2012年已经带来严重的弃风问题，其中东北电网为弃风限电“重灾区”。笔者结合东北电网风电增长形势，通过探究分析辽宁省风电负荷特性、系统调峰能力，分析出东北地区风电现状不容乐观而解决该问题最为实际的出路就是风电供暖。国家能源局在2013年春节后紧急发布《关于做好2013年风电并网和消纳相关工作的通知》，并将风电储能和供暖系统作为重点。基于此本文对风电供暖系统关键技术进行深入分析，通过前期的调研和综合分析，笔者发现目前风电供暖系统尚处于起始阶段，，关键的技术有待进一步调查，关键设备有待研发和引进，并得出风电供暖的关键技术难点在于储能和热能效率。同时笔者分析得出风电供暖的发展将成为制约风电领域发展的最关键因素，由于时间所限调整研究方向，因此笔者后期将进一步重点通过文献综述分析国内外风电供暖关键技术和核心关键设备，并拟依据东北电网供暖试点系统所需解决问题和思路引起关联设备作为解决依据，并将进一步探究更佳的技术和经济解决方案。风电弃风问题是世界风力发电共同面临的难题。本文着重分析了东北电网风电弃风量的变化规律，发现弃风严重期与城市冬季供暖期在时间上吻合。在此基础上，进一步分析了将目前弃风电量能够为集中供暖系统提供的供热能力，和改造现有系统的复杂程度，证明在东北地区实施风电供暖的可行性。并结合东北地区现有的集中供暖设备以及并网型风电机组，建立了混合储能系统模型，并用Simulink仿真证实了方案的可行。提出相应的风光互补系统改造方案及微网系统实施方案，使风能利用率得到进一步提高，并建立了区域式供暖的模型。虽然通过模型分析风电供暖项目目前在经济价值上没有可行性，但综合考虑环境因素和治污费用上，具有重大的现实意义，通过国家和部分省市的政策来看，未来将有长足的发展空间。
[Abstract]:With the increase of installed capacity of wind power in Northeast China, large-scale grid connection of wind power has a great impact on the safety and stability of power grid. By 2012 has brought a serious problem of wind abandonment, including the Northeast Power Grid for the abandonment of electricity "hard disaster area." Combined with the situation of wind power growth in Northeast China Power Grid, the author analyzes the characteristics of wind power load in Liaoning Province and the capacity of peak shaving system, and finds out that the current situation of wind power in Northeast area is not optimistic, and the most practical way to solve this problem is wind power heating. After the Spring Festival in 2013, the State Energy Administration issued an urgent notice on doing a good job in wind power grid connection and absorption in 2013, and focused on wind power storage and heating systems. Based on this, the key technologies of wind power heating system are deeply analyzed. Through the previous investigation and comprehensive analysis, the author finds that the wind power heating system is still in the initial stage, and the key technologies need to be further investigated. The key equipment needs to be developed and imported, and the key technical difficulties of wind power heating are energy storage and thermal energy efficiency. At the same time, the author concludes that the development of wind power heating will become the most critical factor restricting the development of wind power field. Therefore, the author will further analyze the key technologies and key equipment of wind power heating at home and abroad through literature review in the later period, and propose to solve the related equipment according to the problems and ideas needed by the heating pilot system of Northeast Power Grid as the basis for the solution. And will further explore better technical and economic solutions. Wind power abandonment is a common problem of wind power generation in the world. In this paper, the variation law of wind power output in Northeast China Power Grid is analyzed, and it is found that the serious period of wind abandonment coincides with the heating period in urban winter. On the basis of this, the paper further analyzes the heat supply capacity which can be provided by the current abandoned wind power supply for central heating system, and the complexity of reforming the existing system, which proves the feasibility of implementing wind power heating in Northeast China. Combined with the existing central heating equipment and grid-connected wind turbine in Northeast China, the model of hybrid energy storage system is established, and the feasibility of the scheme is proved by Simulink simulation. The corresponding retrofit scheme of wind energy complementary system and the implementation scheme of micro-grid system are put forward to further improve the utilization rate of wind energy and the model of district heating is established. Although it is not feasible to analyze the economic value of wind power heating projects through the model analysis, it is of great practical significance to comprehensively consider environmental factors and pollution control costs, as seen from the policies of the state and some provinces and cities. There will be considerable room for development in the future.
【学位授予单位】：华北电力大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU832;TM614

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