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) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 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? 90 1000 10 9000 90 1000 10 9000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is MWhr/Rs Rs/hr RsMW/hr Rs/MWhr MWhr/Rs Rs/hr RsMW/hr Rs/MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because nether 1 nor 2 short circuit currents are much larger than load currents both 1 and 2 short circuit currents are greatly out of phase with load currents nether 1 nor 2 short circuit currents are much larger than load currents both 1 and 2 short circuit currents are greatly out of phase with load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Vacuum CB. Oil CB. SF6 CB. Air blast CB. Vacuum CB. Oil CB. SF6 CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? Instantaneous and RMS value any of the above RMS and Instantaneous value RMS and RMS value Instantaneous and RMS value any of the above RMS and Instantaneous value RMS and RMS value ANSWER DOWNLOAD EXAMIANS APP
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