Energy saving test report of fan driven by converter which is referenced for user is extracted.

摘录了可供用户参考的变频器驱动风机节能试验报告。

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In addition, the LTC3330 includes a separate buck-boost converter designed to be driven by an external battery.

此外，LTC 3330包括一个单独的降压-升压转换器设计为通过外部电池驱动。

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Feed roller is driven by an electronic frequency converter which permits stepless variation of its speed and is controled to be synchronized with doffer by the computer.

给棉罗拉采用调频电机传动，实现无级变速，通过计算机控制与道夫传动同步。

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