Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 2000 0.22 0.4 5 2000 0.22 0.4 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to All of these increase the sag reduce the vibrations at the point of support reduce the tension All of these increase the sag reduce the vibrations at the point of support reduce the tension ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 6 5 8 2 6 5 8 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these capacitor voltage transformer distribution transformer auto transformer All of these capacitor voltage transformer distribution transformer auto transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is (n-2)×(n-2) n×n (n-1)×(n-2) (n-1)×(n-1) (n-2)×(n-2) n×n (n-1)×(n-2) (n-1)×(n-1) ANSWER DOWNLOAD EXAMIANS APP