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当前位置: 东方风力发电网>谈技术 >基础知识 > 风力发电机组直驱与双馈型的区别

风力发电机组直驱与双馈型的区别

2009-10-23 来源:互联网 浏览数:4661

双馈优点:变流器容量小,电机成本低,正常运行控制较容易。
缺点:不易故障运行,齿轮箱易坏且维护量大,电机的滑环碳刷等也需要经常维护。
永磁直驱优点:电网故障运行能力强,低风速发电效率更高,省去了易坏的齿轮箱,控制相对更容易。
缺点:电机体积巨大且巨贵,变流器容量大,如果采用BOOST电路,其直流电感体积和成本也不低。
 

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阅读上文 >> 风电工程项目开发建设过程中的风险识别
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