Power Systems Normally Z bus matrix is a unit matrix null matrix sparse matrix full matrix unit matrix null matrix sparse matrix full matrix 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 4.65 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 2.26 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance None of these remains unaffected increases decreases None of these remains unaffected increases decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 70 kVA. 89.22 kVA. 49 kVA. 35 kVA. 70 kVA. 89.22 kVA. 49 kVA. 35 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor) V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/s 32 m/s 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s 159.24 m/µs 0.0312 m/s ANSWER DOWNLOAD EXAMIANS APP
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