Power Systems Isolator in sub station is open under ------------- condition? any of the above full load no load short circuit any of the above full load no load short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over current relay Buchholz relay Differential relay Over fluxing relay Over current relay Buchholz relay Differential relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between both 1 and 2 nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Transmission system must be more efficient with minimum line losses both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 Transmission system must be more efficient with minimum line losses both 1 and 2 Voltage regulation of the transmission line must be zero or minimum nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. delta / star. delta / delta. ground star / delta. star / grounded star. delta / star. delta / delta. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 9.936 pu 8.936 pu 7.936 pu 10.936 pu 9.936 pu 8.936 pu 7.936 pu 10.936 pu ANSWER DOWNLOAD EXAMIANS APP