厂网协调规划模式下低碳电力系统的效益评估方法研究
[Abstract]:Under the low carbon background, the electric power industry, as the largest carbon emission source, must shoulder the main task of energy saving and emission reduction. Therefore, the construction of low-carbon power system is the inevitable choice of the power industry. Because of the "carbon locking effect", the most important prerequisite to build a low-carbon power system is to realize the scientific and reasonable planning of the power system. The traditional power supply and grid separation planning model is not suitable for the development trend of power system. The more low-carbon power plant and grid coordination planning model will gradually replace the original planning model. The power planning mode, low-carbon technology and carbon emission policy are the internal and external driving factors to construct low-carbon power system. However, systematic evaluation of the potential benefits of low-carbon power system will greatly promote the construction and development of low-carbon power system. In this paper, the system dynamics method is used to evaluate the efficiency of low carbon power system under the coordinated power plant planning model. Firstly, the coordinated planning model of power plant and network and the construction of low-carbon power system are studied. The influence of the introduction of low carbon elements on power planning is analyzed emphatically, and the coordinated planning mode of power plant and power network is defined, and the way of constructing low carbon power system is expounded from three angles: generation side, grid side and power side. Secondly, based on the decomposition of low carbon power system benefit, the benefit evaluation index system is constructed, and the advantages and disadvantages of different benefit evaluation methods are compared. Based on the system dynamics method, the overall causality cycle diagram of low carbon power system benefit evaluation is given. Thirdly, a low carbon power system benefit evaluation model is constructed from three links: generation side, grid side and power side. Finally, taking Fujian Province as an example, the economic benefit, carbon emission reduction benefit and social benefit obtained from the construction of low-carbon power system in Fujian Province from 2011-2020 are calculated. The results show that the low carbon power system under the coordinated power plant planning model has significant comprehensive benefits. This will help people fully realize the potential benefits of low-carbon power system and enhance the investment of relevant investors in low-carbon power system, so as to speed up the construction of low-carbon power system.
【学位授予单位】:华北电力大学
【学位级别】:硕士
【学位授予年份】:2013
【分类号】:F426.61
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