Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' >X X" < X' > X X" > X' < X X" < X' < X X" > X' >X X" < X' > X X" > X' < X X" < X' < X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is MWhr/Rs RsMW/hr Rs/hr Rs/MWhr MWhr/Rs RsMW/hr Rs/hr Rs/MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kJ / S. kWh. HP. W. kJ / S. kWh. HP. W. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.4 pu 0.5 pu 0.1 pu 0.2 pu 0.4 pu 0.5 pu 0.1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. lagging the arc current by 90°. in phase opposition with the arc current. leading the arc current by 90°. in phase with the arc current. lagging the arc current by 90°. in phase opposition with the arc current. leading the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 15.9 H 15.9 mH 2 mH 2 H 15.9 H 15.9 mH 2 mH 2 H ANSWER DOWNLOAD EXAMIANS APP
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