Application of converter on fan adjustable speed and four purpose of using converter are introduced.
介绍了变频器在风机调速上的应用现状，使用变频器的四种目的。
The ACS 5000 variable speed drive system enables Boeing to run the fan in adjustable speed mode or at constant speed, depending on the protocols and parameters of each test.
ACS 5000变速驱动系统使得波音公司可以根据每个测试的规程和参数，自由设定可调速度模式或者恒速模式。
To expand application ranges of soft pendent fan, it is necessary to develop a inversion adjustable-speed equipment to fit with the fan.
为拓宽微风吊扇的使用范围，需要研制一种逆变调速装置与微风吊扇配套使用。
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