液壓風力發(fā)電系統(tǒng)穩(wěn)定性控制仿真研究
[Abstract]:Wind power generation as a clean energy in the increasingly tense energy crisis emerged. In order to reduce the investment cost of wind power generation and facilitate maintenance and maintenance, hydraulic wind power generation system is of great significance to improve this point. However, because of the variability of external wind energy, it is necessary to study the control of hydraulic system to ensure the stability of power generation. The improvement of hydraulic system will speed up the development of wind power industry and will open a new era for wind power industry. In this paper, the current situation of wind power generation at home and abroad, the research situation of wind power in the world and the great advantages of wind power generation in China are introduced. Secondly, the technology of wind power generation is studied, and the application of hydraulic technology in wind power generation is discussed. According to the technical problems of wind power generation at present, the hydraulic wind power generation system is put forward. Thirdly, the hydraulic wind power system is designed. Based on the AMESim software and the physical model of each component, the mathematical model is first analyzed and designed, then the AMESim model of the component is established step by step. And the whole system simulation model is established. Finally, through the system simulation model, the stability of the hydraulic wind power system is simulated, and the links that affect the stability are analyzed in detail, and each link is controlled to realize the stable output of the motor speed of the whole hydraulic system. Thus, the stable output of generation voltage is realized, and the analysis operation is simple and fast. The simulation results are compared by using PID control technology, and the feasibility of simulation is verified, and the factors affecting the stability of the system and the solution are obtained. It provides a theoretical basis for further research.
【學位授予單位】:燕山大學
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:TH137
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