What is the principle of torque production in a dc machine?
The torque induced beyond the pole shoes in the DC machine is
1 Crore+ students have signed up on EduRev. Have you? Download the App |
The simple rotating loop between pole faces connected to a battery and resistor through a switch, the specifications of this machine are radius = 0.5m, length 1m, resistance = 0.3 ohms and magnitude strength = 0.25T is supplied with 120V. Suddenly the switch is closed at t=0, what is observed in the circuit?
The simple rotating loop between pole faces connected to a battery and resistor through a switch, the specifications of this machine are radius = 0.5m, length 1m, resistance = 0.3 ohms and magnitude strength = 0.25T is supplied with 120V. What will be the magnitude of the following current at t=0+?
If the torque induced is zero in the dc machine, it can be said that
The simple rotating loop between pole faces connected to a battery and resistor through a switch, the specifications of this machine are radius = 0.5m, length 1m, resistance = 0.3 ohms and magnitude strength = 0.25T is supplied with 120V. What is the steady state angular velocity at no-load?
If the torque is in the direction of rotation, the DC machine acts as
The cogging torque is absent in the permanent magnet dc machine is due to
For a universal motor, the rated supply current is 10A giving a rated torque of 100 N-m. If a current of 5A is applied, what will be generated torque vary to?
19 videos|90 docs|25 tests
|
19 videos|90 docs|25 tests
|