Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 5 8 4 2 5 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines? 3 5 4 6 3 5 4 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? series capacitor both 1 and 2 shunt capacitor shunt reactor series capacitor both 1 and 2 shunt capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level nether 1 nor 2 either 1 or 2 decreasing reactance value increasing voltage level 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 29.28 kV 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 2000 Ω 3000 Ω 500 Ω 1500 Ω 2000 Ω 3000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
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