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 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when any of the above phase angle become high reactive power goes beyond limit voltage at the bus become high any of the above phase angle become high reactive power goes beyond limit voltage at the bus become high ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / delta. delta / star. star / grounded star. ground star / delta. delta / delta. delta / star. star / grounded star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are Need of transformation ratio It has units for all quantities All of these No units for any quantity Need of transformation ratio It has units for all quantities All of these No units for any quantity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in transformer. alternator. bus bars. both A and B. transformer. alternator. bus bars. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines same in both cases None of these power lines communication lines same in both cases None of these power lines ANSWER DOWNLOAD EXAMIANS APP
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