Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 125 MVA 500 MVA 400 MVA 100 MVA 125 MVA 500 MVA 400 MVA 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 The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.0060 0.0030 0.30 0.60 0.0060 0.0030 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have None of these small atomic mass. may be any of the above. large atomic mass. None of these small atomic mass. may be any of the above. large atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is steam power. hydroelectric. diesel power. nuclear. steam power. hydroelectric. diesel power. nuclear. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, All of these power loss increases interference increases charging current increases All of these power loss increases interference increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
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