Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low alternator efficiency low steam turbine mechanical efficiency high energy loss in condenser high energy loss in boilers low alternator efficiency low steam turbine mechanical efficiency high energy loss in condenser high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix both 1 and 2 nether 1 nor 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no None of these shunt admittance both 1 and 2 mutual coupling None of these shunt admittance both 1 and 2 mutual coupling ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Blocking factor Gauss constant Lagrange multiplier Acceleration factor Blocking factor Gauss constant Lagrange multiplier Acceleration factor 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 10 9000 1000 90 10 9000 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In transmission lines distribution constants are resistance both 1 and 2 inductance and capacitance inductance and resistance resistance both 1 and 2 inductance and capacitance inductance and resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS