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Power Systems

Power Systems
For flat voltage profile system, voltage regulation is

 100%
 0%
 50%
 any of the above

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Power Systems
The main objectives of electrical power transmission is/are

 Voltage regulation of the transmission line must be zero or minimum
 both 1 and 2
 nether 1 nor 2
 Transmission system must be more efficient with minimum line losses

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Power Systems
For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station?

 Pelton
 Kaplan
 Francis
None of these

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Power Systems
The method of neutral grounding affects the

All of these
 zero sequence network
 positive sequence network
 negative sequence network

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Power Systems
Advantages of gauss siedel method is/are

 number of iterations are less
 calculation time for each iteration is less
 applicable for large power system network
All of these

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Power Systems
Which of the following statement is/are true regarding infinite line?

 both 2 and 3
 It has infinite voltage
 It maintains the constant voltage
 It has infinite length

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