A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

Power Systems
A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

555×555

553×553

554×554

540×540

555×555

553×553

554×554

540×540

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Power Systems
The draft tube is provided to

increase the acting head on the water wheel.

raise the water surface of the stream to create an artificial head.

None of these

reduce the effect of water hammer.

increase the acting head on the water wheel.

raise the water surface of the stream to create an artificial head.

None of these

reduce the effect of water hammer.

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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 ?

14.5°

10.5°

29°

35.5°

14.5°

10.5°

29°

35.5°

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Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

20 sec.

none of these.

10 sec.

5 sec.

20 sec.

none of these.

10 sec.

5 sec.

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Power Systems
For n bus power system size of Y bus matrix is

n×n

(n-1)×(n-2)

(n-1)×(n-1)

(n-2)×(n-2)

n×n

(n-1)×(n-2)

(n-1)×(n-1)

(n-2)×(n-2)

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Power Systems
MCB stands for

miniature circuit breaker.

maximum capacity breaker.

minimum capacity breaker.

molded circuit breaker.

miniature circuit breaker.

maximum capacity breaker.

minimum capacity breaker.

molded circuit breaker.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems

Power Systems The draft tube is provided to

Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

Power Systems For n bus power system size of Y bus matrix is

Power Systems MCB stands for

Power Systems
The draft tube is provided to

Power Systems
IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is

Power Systems
For n bus power system size of Y bus matrix is

Power Systems
MCB stands for