Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 750 MW 1000 MW 1500 MW 1250 MW 750 MW 1000 MW 1500 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a none of above. low head turbine. high head turbine. medium head turbine. none of above. low head turbine. high head turbine. medium head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on All of these relative permeability conductivity frequency All of these relative permeability conductivity frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 500 kV 400 kV 600 kV 320 kv 500 kV 400 kV 600 kV 320 kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLG. LL. LLLG. LG. LLG. LL. LLLG. LG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
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