Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-star delta-delta delta-star star-delta star-star delta-delta delta-star star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively increase and remain unaffected. increase and decrease. decrease and increase. decrease and remain unaffected. increase and remain unaffected. increase and decrease. decrease and increase. decrease and remain unaffected. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generated station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 6 MW 10 MW 12 MW 5 MW 6 MW 10 MW 12 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Potential transformer. Instrument transformer. Power transformer. Current transformer. Potential transformer. Instrument transformer. Power transformer. Current transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is none of these. 20 sec. 10 sec. 5 sec. none of these. 20 sec. 10 sec. 5 sec. ANSWER DOWNLOAD EXAMIANS APP
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