Power Systems Surge impedance loading can be increased by increasing of capacitance value increasing of voltage level both 1 and 2 increasing of inductance value increasing of capacitance value increasing of voltage level both 1 and 2 increasing of inductance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Load cycle tests. All of these. Impulse tests. Thermal stability test. Load cycle tests. All of these. Impulse tests. Thermal stability test. ANSWER DOWNLOAD EXAMIANS APP
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? 30.6 Kv 36. 36 kV 18.18 kV 100 kV 30.6 Kv 36. 36 kV 18.18 kV 100 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 1.375 pu 2.4 pu 3.975 pu 0.2 pu 1.375 pu 2.4 pu 3.975 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. all of above. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. the height of water level in the river where the tail race is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.093 mH 1.182 mH 1.043 mH 1.232 mH 1.093 mH 1.182 mH 1.043 mH ANSWER DOWNLOAD EXAMIANS APP