Power Systems In which of the following frequency control method tie line may be overloaded? All of these parallel frequency flat frequency control flat tie line control All of these parallel frequency flat frequency control flat tie line control ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Current transformer. Power transformer. Instrument transformer. Potential transformer. Current transformer. Power transformer. Instrument transformer. Potential transformer. 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. ground star / delta. star / grounded star. delta / delta. delta / star. ground star / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 1.47 msec 4.68 msec 9.68 msec 2.63 msec 1.47 msec 4.68 msec 9.68 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LLL LG LLG LL LLL LG LLG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Per unit of any quantity is defined as actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units ANSWER DOWNLOAD EXAMIANS APP
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