Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by single pole switching using double circuit line instead of single circuit line decreasing generator inertia All of these single pole switching using double circuit line instead of single circuit line decreasing generator inertia All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase with the arc current. in phase opposition with the arc current. lagging the arc current by 90°. leading the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. lagging the arc current by 90°. leading the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The essential requirement(s) for power plants to be operated as peak load plants are Capability of quick starts. All of these Low capital cost. Quick response to load variation. Capability of quick starts. All of these Low capital cost. Quick response to load variation. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is sum of admittances connected at bus j which is connected between bus i and bus j with positive sign which is connected between bus i and bus j with negative sign sum of admittances connected at bus i sum of admittances connected at bus j which is connected between bus i and bus j with positive sign which is connected between bus i and bus j with negative sign sum of admittances connected at bus i ANSWER DOWNLOAD EXAMIANS APP
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