 # Electrical Engineering Objective Questions { Power System }

344.  Consider the following statements : Transient stability of a synchronous generator feeding power to an infinite bus through a transmission line can be increased by

345.  An overhead transmission line having surge impedance `Z1' is terminated to an underground cable of surge impedance The reflection coefficient for the travelling wave at the junction of the line and cable is

346.  Ring main distribution is preferred to a radial system because

347.  If the fault current is 3000 A for a relay with a plug setting of 50% and CT ratio of 1000 : 1, the plug setting multiplier would be

348.  In terms of plant powers P. and P. and loss coefficients Binn, the total transmission loss 'Pi' isN

349.  The average value of dc voltage of a single-phase semiconverter under continuous conduction is

350.  The reactance of a generator designated X" is given as 0.25 pu based on the generator's name plate rating of 18 kV, 500 MVA. If the base for calculations is changed to 20 kV, 100 MVA, the generator reactance X" on new base will be

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