Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 10 MJ 5 MJ 50 MJ 500 MJ 10 MJ 5 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 9.68 msec 4.68 msec 2.63 msec 1.47 msec 9.68 msec 4.68 msec 2.63 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true?Zn nether 1 nor 2 both 1 and 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit nether 1 nor 2 both 1 and 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? medium transmission lines both 1 and 3 shoart transmission lines long transmission lines medium transmission lines both 1 and 3 shoart transmission lines long transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines decrease capacitance increase capacitance increase inductance decrease inducatance decrease capacitance increase capacitance increase inductance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is increased reduced any of the above remains unaffected increased reduced any of the above remains unaffected ANSWER DOWNLOAD EXAMIANS APP