Click to edit Master text styles Second level Third level Fourth level Fifth level* * 1双馈风力发电机及控制原理2009 年8 月北京清能华福风电技术有限公司2009-4-1 Click to edit Master text styles Second level Third level Fourth level Fifth level* * 2双馈风力发电机及控制原理 主要内容 风力发电简介 双馈电机原理 双馈电机控制策略2009-4-1 Click to edit Master text styles Second level Third level Fourth level Fifth level* * 3一、风力发电简介2009-4-1 Click to edit Master text styles Second level Third level Fourth level Fifth level* * 4风力发电简介 中国风电场分布图(截止2007 年年底)2009-4-1 Click