A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

Electrical Machines
A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

40 V.

60 V.

90 V.

30 V.

40 V.

60 V.

90 V.

30 V.

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Electrical Machines
The efficiency of a transformer is mainly dependent on

stray losses.

copper losses.

core losses.

dielectric losses.

stray losses.

copper losses.

core losses.

dielectric losses.

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Electrical Machines
If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by

Bl2v.

Bl2v2.

Blv.

Blv2.

Bl2v.

Bl2v2.

Blv.

Blv2.

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Electrical Machines
Lamination of core are generally made of

carbon.

stainless steel.

silicon steel.

cast iron.

carbon.

stainless steel.

silicon steel.

cast iron.

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Electrical Machines
A single-winding single-phase motor has

low starting torque.

high starting torque.

zero starting torque.

starting torque equal to full-load torque.

low starting torque.

high starting torque.

zero starting torque.

starting torque equal to full-load torque.

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Electrical Machines
A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be

168.75 W

112.5 W

50 W

75 W

168.75 W

112.5 W

50 W

75 W

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Electrical Machines

Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

Electrical Machines The efficiency of a transformer is mainly dependent on

Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by

Electrical Machines Lamination of core are generally made of

Electrical Machines A single-winding single-phase motor has

Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be

Electrical Machines
A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp?

Electrical Machines
The efficiency of a transformer is mainly dependent on

Electrical Machines
If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by

Electrical Machines
Lamination of core are generally made of

Electrical Machines
A single-winding single-phase motor has

Electrical Machines
A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be