Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 350 Amp. 300 Amp. 200 Amp. 250 Amp. 350 Amp. 300 Amp. 200 Amp. 250 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statement is/are true regarding infinite line? both 2 and 3 It maintains the constant voltage It has infinite length It has infinite voltage both 2 and 3 It maintains the constant voltage It has infinite length It has infinite voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-star delta-delta star-delta delta-star star-star delta-delta star-delta delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 45 kV 36 kV 40 kV 32 kV 45 kV 36 kV 40 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
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