Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 23.9 31.7 38.6 35.45 23.9 31.7 38.6 35.45 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum both 1 and 2 Transmission system must be more efficient with minimum line losses nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum both 1 and 2 Transmission system must be more efficient with minimum line losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d 2d 5d d 3d 2d 5d d ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 45° 45° and 26° 26° and 30° 30° and 26° 30° and 45° 45° and 26° 26° and 30° 30° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce ferranti effect skin effect interference with neighbouring communication lines proximity effect ferranti effect skin effect interference with neighbouring communication lines proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a regenerative cycle, feed water is heated by all of above. exhaust gas. heaters. drained steam from turbine. all of above. exhaust gas. heaters. drained steam from turbine. ANSWER DOWNLOAD EXAMIANS APP
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