Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 4.68 msec 2.63 msec 1.47 msec 9.68 4.68 msec 2.63 msec 1.47 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
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 Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Increase but does not doubled. Halves. Doubled. Decrease but does not halves. Increase but does not doubled. Halves. Doubled. Decrease but does not halves. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 20 - 25 mm. 40 mm. 300 mm. 200 - 205 mm. 20 - 25 mm. 40 mm. 300 mm. 200 - 205 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Thermonic convertor. Solar power generation. Wind power generation. Tidal power generation. Thermonic convertor. Solar power generation. Wind power generation. Tidal power generation. ANSWER DOWNLOAD EXAMIANS APP
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