A VFD reports a low-volts fault when the drive's dc link voltage drops below 62% of the nominal level for the high setting (480 Vac) and 50% of nominal for the low setting (400 Vac). The +10% and -15% ...
This article has been updated Jan. 18, 2023. The proliferation of affordable and readily available semiconductors in the industrial space has enabled many innovations, making things easier for ...