Power Systems Operator "a" rotates a vector clock wise direction anti clock wise direction either 1 or 2 nether 1 nor 2 clock wise direction anti clock wise direction either 1 or 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance decrease. none of above. remains constant. increase. decrease. none of above. remains constant. increase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.371∠ -100° 0.725∠ 80° 0.433∠ 80° 0.325∠ -100° 0.371∠ -100° 0.725∠ 80° 0.433∠ 80° 0.325∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LG. LLLG. LL. LLG. LG. LLLG. LL. LLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 4 mm. 0.2 mm. 2 mm. 0.4 mm. 4 mm. 0.2 mm. 2 mm. 0.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 5 pu 6 pu 2.67 pu 2 pu 5 pu 6 pu 2.67 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
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