Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 20. 5. 3. 7. 20. 5. 3. 7. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 55.1. 20. 5. 10. 55.1. 20. 5. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 any of the above Z1 = Z2 = Z0 (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? triangular configuration horizontal configuration None of these same in both configuration triangular configuration horizontal configuration None of these same in both configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 500 250 900 450 500 250 900 450 ANSWER DOWNLOAD EXAMIANS APP
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