A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.

Electrical Machines
A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.

400 Amp.

0.5 Amp.

800 Amp.

320 Amp.

400 Amp.

0.5 Amp.

800 Amp.

320 Amp.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
DC series motor is best suited for electric traction as

It develops high starting torque.

It runs at very high speed at light load.

It is cheaper in cost.

It consume less power.

It develops high starting torque.

It runs at very high speed at light load.

It is cheaper in cost.

It consume less power.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
An inverted V-curve of synchronous motor shows the variation of

power factor and dc excitation at constant load

supply voltage and field current at constant excitation

All of these

power factor and supply voltage during hunting

power factor and dc excitation at constant load

supply voltage and field current at constant excitation

All of these

power factor and supply voltage during hunting

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The dc motor which can provide zero speed regulation at full load without any controller, is

differential compound.

series.

shunt.

cumulative compound.

differential compound.

series.

shunt.

cumulative compound.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
To eliminate 5th harmonic in the induced voltage phase breadth should be

36°

72°

18°

30°

36°

72°

18°

30°

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - ÃŽÂ¦, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf?

2 Hz.

50 Hz.

10 Hz.

3 Hz.

2 Hz.

50 Hz.

10 Hz.

3 Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.

Electrical Machines DC series motor is best suited for electric traction as

Electrical Machines An inverted V-curve of synchronous motor shows the variation of

Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is

Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be

Electrical Machines A 3 - ÃŽÂ¦, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf?

Electrical Machines
A 4 pole wave wound dc motor having flux per pole of 9.56 X 10-3 Wb contains 460 armature conductors with armature resistance of 0.6 ohm. Calculate the starting current flowing through the armature if the supply voltage is 240 volt.

Electrical Machines
DC series motor is best suited for electric traction as

Electrical Machines
An inverted V-curve of synchronous motor shows the variation of

Electrical Machines
The dc motor which can provide zero speed regulation at full load without any controller, is

Electrical Machines
To eliminate 5th harmonic in the induced voltage phase breadth should be

Electrical Machines
A 3 - ÃŽÂ¦, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf?