Question: A 20-pole, 3-phase, 90 Hz induction motor is operating at a speed of _______ rpm. The frequency of the rotor current of the motor in Hz is 20.
Options
A : 418.56
B : 420.12
C : 421.23
D : 422.45
Electric Drives Written Test more questions
What is the maximum carrier frequency to be used if....
The number of reflexive as well as symmetric relations on....
Calculate the power developed by a motor using the given....
Q = 2000 VAR, pf = 0.9 (leading). The power....
The generated e.m.f from 42-pole armature having 74 turns driven....
Calculate the value of the power if voltage=4.2 V and....
The axes of the two shafts are intersecting and are....
The bearing is subjected to a radial load of 4000N.....
If Cp of steam is 105 J/oC, what is the....
What is the change in internal energy of 2 mole....
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Electric Drives Three Phase Induction Motors
Electric Drives Three Phase Synchronous Motors
Electric Drives Voltage Frequency Control
Electrical Measurements Acquisition Methods
Electrical Measurements Advanced Problems Crt Cro
Electrical Measurements Advanced Problems Indicating Instruments 1