Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

None of these

generator 1 gets over load

generator 2 gets over load

200 MW and 400MW

None of these

generator 1 gets over load

generator 2 gets over load

200 MW and 400MW

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 3 - ÃŽÂ¦, 4 pole IM is supplied from a 50 Hz source. Calculate rotor frequency when rotor runs 600 rpm?

35 Hz.

Can be determined.

30 Hz.

20 Hz.

35 Hz.

Can be determined.

30 Hz.

20 Hz.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be

2000 rpm

500 rpm

250 rpm

1000 rpm

2000 rpm

500 rpm

250 rpm

1000 rpm

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ?

PZL/4Sa²

PZL/4S

PZL/4Sp²

PZL/ 4Sa

PZL/4Sa²

PZL/4S

PZL/4Sp²

PZL/ 4Sa

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is

(Pi/Pc)2

√(Pi/Pc)

Pi/Pc

Pc/Pi

(Pi/Pc)2

√(Pi/Pc)

Pi/Pc

Pc/Pi

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A DC generator can be considered as

rectifier.

prime mover.

rotating amplifier.

power pump.

rectifier.

prime mover.

rotating amplifier.

power pump.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

Electrical Machines A 3 - ÃŽÂ¦, 4 pole IM is supplied from a 50 Hz source. Calculate rotor frequency when rotor runs 600 rpm?

Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be

Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ?

Electrical Machines If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is

Electrical Machines A DC generator can be considered as

Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

Electrical Machines
A 3 - ÃŽÂ¦, 4 pole IM is supplied from a 50 Hz source. Calculate rotor frequency when rotor runs 600 rpm?

Electrical Machines
If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be

Electrical Machines
For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ?

Electrical Machines
If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is

Electrical Machines
A DC generator can be considered as