Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 52.84 kV 83.76 kV 48.36 kV 20 kV 52.84 kV 83.76 kV 48.36 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 40 mm. 20 - 25 mm. 200 - 205 mm. 300 mm. 40 mm. 20 - 25 mm. 200 - 205 mm. 300 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end shunt capacitor at receiving end All of these shunt reactor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 900 450 500 250 900 450 500 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives units generated maximum demand average load maximum load units generated maximum demand average load maximum load ANSWER DOWNLOAD EXAMIANS APP
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