Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 45° 60° 30° 35° 45° 60° 30° 35° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers increased the short circuit current. improves system stability. decrease system stability. reduces the short circuit current. increased the short circuit current. improves system stability. decrease system stability. reduces the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is more at the surface of the condutor current density is lower at the surface of the condutor current density is more at the centre of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the surface of the condutor current density is lower at the surface of the condutor current density is more at the centre of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sparse matrix is matrix which contain more number of zeros less number of memory elements more number of memory elements more number of non zeros more number of zeros less number of memory elements more number of memory elements more number of non zeros ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to binary vapor cycle. the Rankine cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. the Rankine cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 400 MVA 100 MVA 500 MVA 200 MVA 400 MVA 100 MVA 500 MVA 200 MVA ANSWER DOWNLOAD EXAMIANS APP