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Power Systems

Power Systems
Specified quantities of slack bus are

 P and Q
 P and V
 V and δ
 P and δ

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Power Systems
Which device is used for protection of equipment from from damage caused by overload or short circuit?

 current transformer
 lightning arrester
 CVT
 circuit breaker

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Power Systems
A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator?

 10
 0.1
 0.001
 1000

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 163 × 163
 165 × 165
 162 × 162
 164 × 164

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Power Systems
Critical disruptive voltage is a voltage at which

 nether 1 nor 2
 corona is visible with blue or violet colour
 corona is just initiated
 both 1 and 2

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Power Systems
Phase shift occurs due to which of the following components?

 conductance
 inductance
 capacitance
 both 1 and 2

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