Power Systems Range of accelerating factor is 50 to 100 10.8 to 11.2 1 to 10 1.6 to 1.8 50 to 100 10.8 to 11.2 1 to 10 1.6 to 1.8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because both 1 and 2 short circuit currents are much larger than load currents nether 1 nor 2 short circuit currents are greatly out of phase with load currents both 1 and 2 short circuit currents are much larger than load currents nether 1 nor 2 short circuit currents are greatly out of phase with load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 2000 5 0.22 0.4 2000 5 0.22 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 83.76 kV 52.84 kV 48.36 kV 20 kV 83.76 kV 52.84 kV 48.36 kV 20 kV ANSWER DOWNLOAD EXAMIANS APP
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