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? 34.64 kV/phase 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. series. across. not connected. both A and B. series. across. not connected. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 30.28 kV 28.28 kV 29.28 kV 31.28 kV 30.28 kV 28.28 kV 29.28 kV 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 6.06 Ω / phase. 4.65 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' < X X" > X' >X X" < X' < X X" < X' > X X" > X' < X X" > X' >X X" < X' < X X" < X' > X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which None of these both 1 and 2 corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 corona is visible with blue or violet colour corona is just initiated ANSWER DOWNLOAD EXAMIANS APP
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