Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 1500 Ω 750 Ω 2000 Ω 3000 Ω 1500 Ω 750 Ω 2000 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? None of these large requirement of computer memory large number of iterations both 1 and 2 None of these large requirement of computer memory large number of iterations both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus admittance matrix is a sparse matrix nether 1 nor 2 Bus impedance matrix is a full matrix both 1 and 2 Bus admittance matrix is a sparse matrix nether 1 nor 2 Bus impedance matrix is a full matrix both 1 and 2 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 high energy loss in condenser low alternator efficiency low steam turbine mechanical efficiency high energy loss in boilers high energy loss in condenser low alternator efficiency low steam turbine mechanical efficiency high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of alternator. bus bar. none of these. transformer. alternator. bus bar. none of these. transformer. ANSWER DOWNLOAD EXAMIANS APP
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