Power Systems Which of the following statement is/are true?Zn both 1 and 2 nether 1 nor 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 both 1 and 2 nether 1 nor 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 Which of the following grounding is not practically preferred for protection of equipments? resistance grounding reactance grounding All of these isolated grounding resistance grounding reactance grounding All of these isolated grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? DC shunt motor Three phase synchronous motor Three phase induction motor DC series motor DC shunt motor Three phase synchronous motor Three phase induction motor DC series motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 49 kVA. 70 kVA. 35 kVA. 89.22 kVA. 49 kVA. 70 kVA. 35 kVA. 89.22 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 1000 90 10 9000 1000 90 10 9000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in all breakers. bulk oil breakers. minimum oil breakers. air blast circuit breaker. all breakers. bulk oil breakers. minimum oil breakers. air blast circuit breaker. ANSWER DOWNLOAD EXAMIANS APP