Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? star-star delta-delta star-delta delta-star star-star delta-delta star-delta delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" < X' > X X" < X' < X X" > X' < X X" > X' >X X" < X' > X X" < X' < X X" > X' < X X" > X' >X ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using direct heat in the furnace. flue gas. HP steam. LP steam. direct heat in the furnace. flue gas. HP steam. LP steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is greater than 1 0 1 less than 1 greater than 1 0 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 2 A 5 + j 7 A 1 + j 4 A -2 - j 1 A 1 + j 2 A 5 + j 7 A 1 + j 4 A -2 - j 1 A ANSWER DOWNLOAD EXAMIANS APP
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