When capturing a current waveform from a motor, what is indicated if the waveform goes to "zero" twice per rotation?
A) An open winding
B) A shorted winding
C) Worn bushings or bearings
D) Current flow is reversing direction

Question

Quizplus · Accepted Answer

An open winding in a motor can cause the current waveform to drop to zero twice per rotation, as the open circuit interrupts the current flow at specific points in the rotation.

When Capturing a Current Waveform from a Motor, What Is