Power Systems The rate of rise of re-striking voltage is dependent upon inductance of the system only capacitance of the system only resistance of the system only both 1 and 2 inductance of the system only capacitance of the system only resistance of the system only both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under over excitation synchronous phase modifier works as series capacitor shunt reactor any of the above shunt capacitor series capacitor shunt reactor any of the above shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.25 pu 0.15 pu 0.05 pu 0.45 pu 0.25 pu 0.15 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer capability of transmission line can be increased by All of these Parallel transmission lines Using series capacitance Using bundled conductors All of these Parallel transmission lines Using series capacitance Using bundled conductors ANSWER DOWNLOAD EXAMIANS APP
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 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 low alternator efficiency ANSWER DOWNLOAD EXAMIANS APP
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