求翻译：在风力发电系统中，如何最大效率地实现从风能向电能转换是研究人员最关心的热点问题之一。本文基于直驱式永磁同步风力发电系统，阐述了爬山法中变步长功率跟踪的具体方法，利用残差修正的灰色理论预测下一控制时刻的风速，来确定下一时刻最优功率点搜索的起始风电机组的转速，再利用变步长转速扰动实现最大功率跟踪找到最优功率点。分析与研究表明，残差修正灰色理论对风速预测具有较好的效果，有效缩短了最优功率点的搜索区间和搜索时间，提高了整机的运行效率。是什么意思？

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In the wind power generation system, how the maximum efficiency realization from the wind can to the electrical energy transformation be one of hot topics which the researcher most cared about.This article based on straight drives the type permanent magnetism synchronization wind power generation sy

In wind power generation systems, how to achieve maximum efficiency from wind energy to electric energy conversion is one of the hot issues people are most concerned about. Based on the direct-drive permanent-magnet synchronous wind power systems, elaborates the variable step-climbing power tracking

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