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基于模糊算法的风电储能系统的优化控制

, PP. 235-241

Keywords: 风力发电,直驱,超级电容器,功率平抑,模糊控制,荷电状态

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Abstract:

对用于风电系统平抑功率波动的储能系统而言,其自身的优化控制是提高其技术性能和经济性能所要考虑的问题,控制不当可能会导致储能装置出现过度充电或深度放电的状况,这将严重影响到储能装置的寿命,同时也使其在风电系统中的技术性能下降。本文以基于超级电容器的永磁直驱式风力发电系统为研究对象,分析了该系统的工作原理,并在此基础上提出了一种基于模糊算法的储能系统优化控制策略,该控制策略在实现平抑风电机组功率波动的同时,还能够使储能装置避免出现过度充电或深度放电的状况,并向着适中的荷电状态转变。仿真结果证明了所提控制策略的正确性和有效性。

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