文档编号:JD152 字数:27130,页数:59 有开题报告,文献综述,任务书 摘 要:风力发电电能变换装置用于风力发电后电流的整流逆变,及对蓄电池充电的一个装置,提供稳定的交流电给负载。根据市场的要求设计出满足使用的风力发电电能变换装置,具有较高的功率因数和效率,实现风能充足的时候由发电机直接给负载供电且给蓄电池充电,不足时由蓄电池给负载供电的自动切换功能。采用电压环和电流环实现双环控制,以提高控制性能;具有过流保护、输出过压、欠压保护。
Abstract: Wind energy conversion system is a complicated field refers to electrical machine, power electronic, electrochemistry, material, mechanics, aerodynamics, computer, automation, aerograph and etc. Following the increasing demand of electric power and environmental protection all over the world, it is important to exploit the renewable and clean energy sources. First of all, an accurate WECS model with its control system is the base of all the following studies. In the dissertation, an integral WECS model is built using digital simulation software MATLAB. The simulation results show that the model present dynamic performance tallying with that of actual systems underany operation conditions.
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Tags:风力发电 电能 变换装置 研究与设计 | 2009-06-09 16:56:24【返回顶部】 |