Power Systems Corona loss is ----------------- on hilly areas than as plain areas. less remain same None of these more less remain same None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 400 kV 500 kV 600 kV 350 kV 400 kV 500 kV 600 kV 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 mH/Km 0.05 mH/Km 0.025 mH/Km 0.1 mH/Km 0 mH/Km 0.05 mH/Km 0.025 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by increasing voltage level either 1 or 2 decreasing reactance value nether 1 nor 2 increasing voltage level either 1 or 2 decreasing reactance value nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching SF6. oil. vacuum. air blast. SF6. oil. vacuum. air blast. 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? 29.28 kV 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP
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