11. How can the speed on a three phase induction motor be controlled?
What will be an ideal response?
The speed of a three phase induction motor can be controlled by either changing the number of stator poles per phase, as is the case with consequent pole motors, or by changing the frequency of the applied voltage.
You might also like to view...
Figure 41-3
In the accompanying figure, each motor starter coil is protected by a separate overload contact.
Answer the following statement true (T) or false (F)
La cantidad de energía luminosa absorbida por un objeto depende de todo lo siguiente EXCEPTO:
a. su construcción molecular. b. la longitud de onda de la luz que lo golpea. c. el ángulo con el que lo golpea la luz. d. su temperatura
Name four medium wool breeds of sheep commonly used to produce slaughter lambs
What will be an ideal response?
Consequent pole motors intended to operate with four speeds use ____ windings.
A. two reconnectable B. three reconnectable C. two separate D. three separate