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%. 83.76 kV 20 kV 52.84 kV 48.36 kV 83.76 kV 20 kV 52.84 kV 48.36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 2 pu 2 and 5 pu 1 and 3 pu 3 and 1 pu 2 and 2 pu 2 and 5 pu 1 and 3 pu 3 and 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.1 mH/Km 0.025 mH/Km 0.05 mH/Km 0 mH/Km 0.1 mH/Km 0.025 mH/Km 0.05 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems India’s largest thermal power station is located at Sarni. Neyveli. Kota. Chandrapur. Sarni. Neyveli. Kota. Chandrapur. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 5 MJ 10 MJ 500 MJ 50 MJ 5 MJ 10 MJ 500 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of long transmission lines only medium transmission lines only short transmission lines only any line long transmission lines only medium transmission lines only short transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP