single phase induction motor
GATE Electrical Engineering · Induction Motors · 1996-2023
Study anchor
Source-book anchor pending for this concept.
Practice action
Start latest PYQPYQs in this concept
All concepts →A 10-pole, 50 Hz, 240 V, single phase induction motor runs at 540 RPM while driving rated load. The frequency of induced rotor currents due to backward field is
The type of single-phase induction motor, expected to have the maximum power factor during steady state running condition, is
A 375W, 230 V, 50 Hz capacitor start single-phase induction motor has the following constants for the main and auxiliary windings (at starting): $$Z_m=\left(12.50\;+\;j15.75\right)...
The direction of rotation of a single-phase capacitor run induction motor is reversed by
A single phase induction motor is provided with capacitor and centrifugal switch in series with auxiliary winding. The switch is expected to operate at a speed of 0.7 Ns, but due t...
A $$230V,$$ $$50Hz,$$ $$4$$ pole, single phase induction motor is rotating in the clockwise (forward) direction at a speed of $$1425$$ $$rpm.$$ If the rotor resistance at standstil...
In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve
The type of single-phase induction motor having the highest power factor at full load is
A single-phase, 230 V, 50 Hz, 4 pole, capacitor-start induction motor has the following stand still impedances Main winding Z m =6.0 + j4.0Ω Auxiliary winding Z a = 8.0 + j6.0Ω The...
A single phase induction motor with only the main winding excited would exhibit the following response at synchronous speed
Starting torque can be obtained in the case of a single phase induction motor with identical main and auxiliary windings by connecting
In case of a split phase motor, the phase shift between currents in the two windings is around