Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) n×n (n-1)×(n-2) (n-2)×(n-2) (n-1)×(n-1) n×n (n-1)×(n-2) (n-2)×(n-2) 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 0.0312 m/s 32 m/s 159.24 m/µs 159.24 m/s 0.0312 m/s 32 m/s 159.24 m/µs ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 20 MW 10 MW 15 MW 5 MW 20 MW 10 MW 15 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Voltage regulation of the transmission line must be zero or minimum both 1 and 2 nether 1 nor 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum both 1 and 2 nether 1 nor 2 Transmission system must be more efficient with minimum line losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect carona All of these proximity effect skin effect carona All of these proximity effect ANSWER DOWNLOAD EXAMIANS APP
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