Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 2nd harmonic current. 5th harmonic current. 3rd harmonic current. 7th harmonic current. 2nd harmonic current. 5th harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.75 0.25 0.5 0.4 0.75 0.25 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by increasing of inductance value both 1 and 2 increasing of voltage level increasing of capacitance value increasing of inductance value both 1 and 2 increasing of voltage level increasing of capacitance value ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers collect ash particals All of these cooling improving thermal efficiency collect ash particals All of these cooling improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. star / grounded star. delta / delta. delta / star. ground star / delta. star / grounded star. delta / delta. delta / star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.75. 1.0. 0.99. 1.35. 0.75. 1.0. 0.99. 1.35. ANSWER DOWNLOAD EXAMIANS APP
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