Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 800 Ω 200 Ω 160 Ω 400 Ω 800 Ω 200 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of transformer. bus bar. alternator. none of these. transformer. bus bar. alternator. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 555×555 540×540 554×554 553×553 555×555 540×540 554×554 553×553 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Location of a surge tank, in an hydro electric power station is near turbine. reservoir. tail race. dam. turbine. reservoir. tail race. dam. ANSWER DOWNLOAD EXAMIANS APP
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