Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT circuit breaker current transformer lightning arrester CVT circuit breaker current transformer lightning arrester ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% 10% -10% 6.92% -6.92% 10% -10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
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? 8 4 5 2 8 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generated voltages. turbine inputs. reactive powers. generator ratings. generated voltages. turbine inputs. reactive powers. generator ratings. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 Low ratio of puncture strength to flash over. High relative permittivity High ratio of puncture strength to flash over. Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 0.5 ohm 500 ohms 50 ohms 5 ohms 0.5 ohm 500 ohms 50 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS