文档字数:28762,页数:52 附任务书,开题报告,文献综述 风力发电电能变换装置的研究 摘要:电力电子技术在电能变换领域的应用是电源研究领域的热点。本文对风力发电电能变换技术的各个方面尤其是逆变技术的发展历史及现状进行了全面、系统的论述。首先介绍了蓄电池及充电装置的工作原理、结构组成以及硬件设计,根据免维护铅酸蓄电池的充放电特性设计出充电装置。然后重点从几个方面分析了逆变电路的工作原理和系统设计,利用集成电路得到SPWM调制波去控制全桥逆变电路,不但降低了成本,而且性能也可以满足用户的要求。以及用电压和电流双反馈来稳压和限流,最后得到比较好的正弦波。此外还对各种辅助电路像直流斩波电路、稳定电源、过放电控制指示电路以及过流过压保护电路作了一定的介绍。 Research on Converters used in Wind power Abstract: The power electronic technology application in electric power transformation realm is the hot point in power supply research. This paper discusses the history and status of all kinds of wind power electric power transformation technology comprehensively and systematically, especially inverter technology. Firstly, the principles, structure and the hardware design of the lead-acid battery are introduced. On the basis of charging and discharging property of the maintenance-free lead-acid battery, I design charge equipment. Secondly, the article mainly analysis work principle and system design of the inverter circuit form several aspect. Make use of Integrated Circuit gets the SPWM wave to control the full bridge inversion, not only has lowered costs, but also performance can meet users' request partly, I use electric voltage feedback to steady the electric voltage and electric current feedback to limit the high electric current, finally get good sinusoidal wave. And to various kinds of supplementary circuit alike DC chopping circuit, power supply, pass and discharge and control and instruct circuit and pass and flow and keep and protect circuit acted as sure introduction. 目 录
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Tags:风力 发电 电能 变换 装置 研究 | 2012-01-02 09:50:30【返回顶部】 |