In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

Power Systems
In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

1000 Ω

500 Ω

25 Ω

250 Ω

1000 Ω

500 Ω

25 Ω

250 Ω

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Power Systems
Which of the following buses is/are not PV buses?

fixed shunt capacitor buses

reactive power support buses

voltage control buses

both 1 and 2

fixed shunt capacitor buses

reactive power support buses

voltage control buses

both 1 and 2

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Power Systems
In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

Lagrange multiplier

Acceleration factor

Gauss constant

Blocking factor

Lagrange multiplier

Acceleration factor

Gauss constant

Blocking factor

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Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

three

six

one

two

three

six

one

two

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Power Systems
Earth fault relay uses the which of the following sequence currents?

any of the above

zero sequence

positive sequence

negative sequence

any of the above

zero sequence

positive sequence

negative sequence

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Power Systems
The rate of rise of restricting voltage depends upon the

Inductance and capacitance of the system.

Capacitance of the system.

Type of CB.

Inductance of the system.

Inductance and capacitance of the system.

Capacitance of the system.

Type of CB.

Inductance of the system.

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Power Systems

Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

Power Systems Which of the following buses is/are not PV buses?

Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

Power Systems Earth fault relay uses the which of the following sequence currents?

Power Systems The rate of rise of restricting voltage depends upon the

Power Systems
In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is

Power Systems
Which of the following buses is/are not PV buses?

Power Systems
In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by

Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

Power Systems
Earth fault relay uses the which of the following sequence currents?

Power Systems
The rate of rise of restricting voltage depends upon the