The development and situation of variable frequency drive technology 变频调速技术的现状与应用
Variable frequency drive of the blower for wood dust combustion furnace 旋风式木粉燃烧鼓风机变频技术改造
The fault detection and diagnosis for ac variable frequency drives is studied systematically in this dissertation 本文研究了电动机变频调速系统的故障检测与诊断问题。
By using the special control algorithm of variable frequency drive system , the above said problem is solved 设计了基于变频驱动系统的专用控制算法来解决“倒发电”问题。
Providing innovative water and wastewater treatment solutions as well as variable frequency drive pumping and control packages , in central california -从事城市给水处理市政污水处理工业给水废水处理和固体废弃物处理。