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.

320 Amp.

800 Amp.

400 Amp.

0.5 Amp.

320 Amp.

800 Amp.

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Electrical Machines
In field flux method speed control of DC Motor is

constant torque drive above the base speed.

constant torque drive below the base speed.

constant hp drive below the base speed.

constant power drive above base speed.

constant torque drive above the base speed.

constant torque drive below the base speed.

constant hp drive below the base speed.

constant power drive above base speed.

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Electrical Machines
Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then

None of these

the machine will share load equally.

the machine with more drooping characteristic will supply less load.

the machine with more drooping characteristic will supply more load.

None of these

the machine will share load equally.

the machine with more drooping characteristic will supply less load.

the machine with more drooping characteristic will supply more load.

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Electrical Machines
Armature reaction in DC generators will result in

short circuit.

open circuit.

reduction in generated emf.

increase in slip.

short circuit.

open circuit.

reduction in generated emf.

increase in slip.

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Electrical Machines
The output indicate on the name plate of any motor is always the

Gross power.

Power drawn in KW.

Power drawn in KVA.

Output power at the shaft.

Gross power.

Power drawn in KW.

Power drawn in KVA.

Output power at the shaft.

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Electrical Machines
Voltage regulation can be determined by which of the following?

All of these

ZPF method.

Synchronous impedance method.

MMf method.

All of these

ZPF method.

Synchronous impedance method.

MMf method.

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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 In field flux method speed control of DC Motor is

Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then

Electrical Machines Armature reaction in DC generators will result in

Electrical Machines The output indicate on the name plate of any motor is always the

Electrical Machines Voltage regulation can be determined by which of the following?

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
In field flux method speed control of DC Motor is

Electrical Machines
Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then

Electrical Machines
Armature reaction in DC generators will result in

Electrical Machines
The output indicate on the name plate of any motor is always the

Electrical Machines
Voltage regulation can be determined by which of the following?