True or False: Large single phase motors have a much smaller voltage drain at startup compared to three-phase motors.

Large single-phase motors do indeed have a larger voltage drain at startup compared to three-phase motors. The reason for this is rooted in their design and operating principles. Single-phase motors often require a significant amount of current to initiate motion, especially because they typically rely on additional starting mechanisms, like start capacitors or resistors, to create a phase shift for starting torque.

In contrast, three-phase motors are generally more efficient and have a more balanced load across multiple phases. When starting, they experience a more gradual increase in voltage and current draw due to their ability to maintain a rotating magnetic field, which helps them to start more smoothly and with less voltage drop.

As a result, the statement implying that large single-phase motors have a much smaller voltage drain at startup is incorrect, reinforcing that three-phase motors are more favorable for large applications from both performance and efficiency perspectives.