Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

Power Systems
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

if the shunt admittances at the buses are ignored

always

if both 2 and 3 are satisfied

if the mutual couplings between transmission lines are absent

if the shunt admittances at the buses are ignored

always

if both 2 and 3 are satisfied

if the mutual couplings between transmission lines are absent

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Power Systems
The essential requirement(s) for power plants to be operated as peak load plants are

Capability of quick starts.

Quick response to load variation.

All of these

Low capital cost.

Capability of quick starts.

Quick response to load variation.

All of these

Low capital cost.

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Power Systems
When a neutral point of 3 - ÃŽÂ¦ system is directly connected to earth then it has what type of grounding?

Peterson coil.

Resistance.

Reactance.

Solid.

Peterson coil.

Resistance.

Reactance.

Solid.

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° â„§. Find the shunt reactor required for compensating ferranti effect?

2000 Ω

500 Ω

3000 Ω

1500 Ω

2000 Ω

500 Ω

3000 Ω

1500 Ω

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Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

Th232.

Pu239.

U238.

U235.

Th232.

Pu239.

U238.

U235.

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Power Systems
When series reactor is used in generating stations, the fault current magnitude is

reduced

increased

any of the above

remains unaffected

reduced

increased

any of the above

remains unaffected

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Power Systems

Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

Power Systems The essential requirement(s) for power plants to be operated as peak load plants are

Power Systems When a neutral point of 3 - ÃŽÂ¦ system is directly connected to earth then it has what type of grounding?

Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° â„§. Find the shunt reactor required for compensating ferranti effect?

Power Systems Which one of following fuels is used by slow thermal nuclear reaction for power generation

Power Systems When series reactor is used in generating stations, the fault current magnitude is

Power Systems
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

Power Systems
The essential requirement(s) for power plants to be operated as peak load plants are

Power Systems
When a neutral point of 3 - ÃŽÂ¦ system is directly connected to earth then it has what type of grounding?

Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° â„§. Find the shunt reactor required for compensating ferranti effect?

Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

Power Systems
When series reactor is used in generating stations, the fault current magnitude is