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The power factor of a single-phase induction motor is usually?
Mar 20, 2018
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The power factor of a single-phase induction motor is usually
Mar 20, 2018
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A single-phase induction motor is?
At which time power factor of the induction motor is low?
A synchronous motor has better power factor as compared to that of an equivalent induction motor...
If starting winding of a single-phase induction motor is left in the circuit, it will?
An induction motor has relatively high power factor at?
In a single-phase induction motor, the operating direction is determined by the ________
In a single-phase induction motor when the rotor is stationary and voltage is applied to the stator, then
Power factor of an inductive circuit is usually improved by connecting capacitor to it in?
When a D.C. series motor is connected to A.C. supply, the power factor will be low because of?
Single phase induction motor usually operates on?
In a shaded pole single-phase motor, the revolving field is produced by the use of?
If the capacitor of a single-phase motor is short-circuited?
A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by...
In a shaded pole motor, the shading coil usually consist of?
The rotor developed by a single-phase motor at starting is?
In a capacitor start single-phase motor, when capacitor is replaced by a resistance?
If the load of the normally excited synchronous motor is increased the power factor will?
If the field of synchronous motor is under excited, power factor will be?
The synchronous motor which works on leading power factor and does not drive any mechanical load is called?
After the starting winding of a single phase induction motor is disconnected from supply, it continues to run only on?
The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be?
Can we make power factor of synchronous motor leading by adjusting its excitation?
What is the slip (as a percentage) when a 6 pole single phase induction motor operating on 220 V and 60 Hz is
If a single phase induction motor runs slower than normal, the most likely defect is?
Explain the working of a single phase capacitor start induction motor.
Explain energy conservation technique “by improving power quality” for induction motor.
The starting winding of a single-phase motor is placed in?
What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016
In a single phase power factor meter the phase difference between the currents in the two pressure coils is?
How can we improve power factor using synchronous motor?
The power factor of a single phase load can be calculated if the instruments available are?
The two pressure coils of a single phase power factor meter have?
The efficiency of a properly designed synchronous motor will usually fall in range?
The no-load speed of a single-phase SCR bridge converter fed separately excited dc motor operating at a
explain the working of single phase induction motor.
How does a single phase induction motor work?
In a A.C. series motor armature coils are usually connected to commutator?
The repulsion start induction run motor is used because of?
which single phase induction motor has highest starting torque?
Single Phase Induction Motor
The speed of a three-phase induction motor is controlled by variable voltage variable frequency control
The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it?
Torque developed by a three-phase, 400V, induction motor is 100 N -m. If the applied voltage is reduced to
A 400 V, 50 Hz three-phase induction motor rotates at 1440 rpm on full -load. The motor is wound for
In a 3-phase slip-ring induction motor, the slip at some speed is 0.05. The speed is reduced by inserting an
An 8-pole, 50Hz, three-phase induction motor is running at 705rpm and has a rotor copper loss of 5kW.
In a split-phase induction motor, the resistance/reactance ratios of windings are such that
A 3-phase, 4-pole, 50Hz induction motor runs at a speed of 1440 rpm. The rotating field produced by the rotor
The slip of 400 V, three phase, 4 -pole induction motor when rotating at 1440 rpm is
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at?