Power Systems The unit protection scheme provides remote protection. primary protection. simultaneous protection. back up protection. remote protection. primary protection. simultaneous protection. back up protection. 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 400 kV 500 kV 600 kV 350 kV 400 kV 500 kV 600 kV 350 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 720 MW 72 MW 50 MW 30 MW 720 MW 72 MW 50 MW 30 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The conductivity of conductors. The permittivity of the dielectric separating the conductor. The load terminating the line. The operating frequency of the line. The conductivity of conductors. The permittivity of the dielectric separating the conductor. The load terminating the line. The operating frequency of the line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 1250 MW 750 MW 250 MW 500 MW 1250 MW 750 MW 250 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are six two three one six two three one ANSWER DOWNLOAD EXAMIANS APP
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