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? 18.18 kV 30.6 Kv 36. 36 kV 100 kV 18.18 kV 30.6 Kv 36. 36 kV 100 kV 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 All of these shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end All of these shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 35 kVA. 70 kVA. 89.22 kVA. 49 kVA. 35 kVA. 70 kVA. 89.22 kVA. 49 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors in EHV transmission lines increase capacitance decrease inducatance increase inductance decrease capacitance increase capacitance decrease inducatance increase inductance decrease capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase 34.64 kV/phase 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase 34.64 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 45-55% 20-25% 60-70% 30-40% 45-55% 20-25% 60-70% 30-40% ANSWER DOWNLOAD EXAMIANS APP
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