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  1. General Electrical Discussion
    VFD means variable frequency drive. VFD is used with an induction motor for speed control, process optimization, and energy saving. Before understanding the reason why V/f ratio is kept constant in vfd, we first understand the working of the induction motor. V/f control is also called V/Hz...
  2. General Electrical Discussion
    Hi please i need help, i wish to Reset fault F0002 on ACS150 ABB Drive. please when programming parameters are required to reset the F0002 Fault ? Regards Ephraim
  3. PLCs, VFDs, Motors and Controls
    I have a 5.5kW motor & VFD combo. The VFD and motor can take voltages from 400 to 500V, 3-phase. My voltage is 470, 471, 472 phase to phase. Right after I apply power to the combo unit I get the DC bus overvoltage fault. I'm not able to enable the drive because it faults right away. I check...
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