A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ?

Power Systems
A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ?

29°

35.5°

10.5°

14.5°

29°

35.5°

10.5°

14.5°

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Power Systems
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

15.

50.

10.

25.

15.

50.

10.

25.

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Power Systems
Zero voltage regulation is possible only for

leading power factor

unity power factor

lagging power factor

All of these

leading power factor

unity power factor

lagging power factor

All of these

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Power Systems
Which of the following matrix is used for load flow studies?

Y bus matrix

null matrix

Z bus matrix

Unit matrix

Y bus matrix

null matrix

Z bus matrix

Unit matrix

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Power Systems
The conversion ratio of a breeder reactor is

none of above.

equal to unity.

more than unity.

less than unity.

none of above.

equal to unity.

more than unity.

less than unity.

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Power Systems
In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%.

20 kV

48.36 kV

83.76 kV

52.84 kV

20 kV

48.36 kV

83.76 kV

52.84 kV

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Power Systems

Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

Power Systems Zero voltage regulation is possible only for

Power Systems Which of the following matrix is used for load flow studies?

Power Systems The conversion ratio of a breeder reactor is

Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%.

Power Systems
If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be

Power Systems
Zero voltage regulation is possible only for

Power Systems
Which of the following matrix is used for load flow studies?

Power Systems
The conversion ratio of a breeder reactor is

Power Systems
In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%.