Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with both 1 and 2 increase in mutual geometrical mean distance neither 1 nor 2 increase in height of conductors above ground both 1 and 2 increase in mutual geometrical mean distance neither 1 nor 2 increase in height of conductors above ground ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 100 kV 18.18 kV 36. 36 kV 30.6 Kv 100 kV 18.18 kV 36. 36 kV 30.6 Kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems The flow duration curve at a given head of a hydroelectric plant is used to determine diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. diversity factor for the plant. total units of energy available. load factory at the plant. total power available at the site. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/2T S = wl²/16T S = wl²/4T S = wl²/8T S = wl²/2T S = wl²/16T S = wl²/4T S = wl²/8T ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased by thick concrete wall. isolated from outside word with strong magnetic field. encased thick metal wall. immersed in water pool. encased by thick concrete wall. isolated from outside word with strong magnetic field. encased thick metal wall. immersed in water pool. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS