A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero?

Power Systems
A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero?

28.28 kV

31.28 kV

29.28 kV

30.28 kV

28.28 kV

31.28 kV

29.28 kV

30.28 kV

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The draft tube is provided to

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

increase the acting head on the water wheel.

None of these

reduce the effect of water hammer.

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

increase the acting head on the water wheel.

None of these

reduce the effect of water hammer.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is

0.125 pu.

0.075 pu.

0.200 pu.

3.000 pu.

0.125 pu.

0.075 pu.

0.200 pu.

3.000 pu.

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Highest pressure generating pump inside the thermal plant is

high pressure heater

All of these

boiler feed pump

low pressure heater

high pressure heater

All of these

boiler feed pump

low pressure heater

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
The receiving end voltage for a long line under no load condition is

less than the sending end voltage

more than the sending end voltage

equal to the sending end voltage

any of the above

less than the sending end voltage

more than the sending end voltage

equal to the sending end voltage

any of the above

ANSWER DOWNLOAD EXAMIANS APP

Power Systems
Bundled conductors in EHV transmission lines

increase inductance

increase capacitance

decrease inducatance

decrease capacitance

increase inductance

increase capacitance

decrease inducatance

decrease capacitance

ANSWER DOWNLOAD EXAMIANS APP

Power Systems

Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero?

Power Systems The draft tube is provided to

Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is

Power Systems Highest pressure generating pump inside the thermal plant is

Power Systems The receiving end voltage for a long line under no load condition is

Power Systems Bundled conductors in EHV transmission lines

Power Systems
A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero?

Power Systems
The draft tube is provided to

Power Systems
In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is

Power Systems
Highest pressure generating pump inside the thermal plant is

Power Systems
The receiving end voltage for a long line under no load condition is

Power Systems
Bundled conductors in EHV transmission lines