Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines? 5 3 6 4 5 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 85% 88.2% 15% 11.8% 85% 88.2% 15% 11.8% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is none of these. 1.088 pu. 1.1 pu. 1.116 pu. none of these. 1.088 pu. 1.1 pu. 1.116 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal ∏ either 1 or 2 nether 1 nor 2 Nominal T Nominal ∏ either 1 or 2 nether 1 nor 2 Nominal T ANSWER DOWNLOAD EXAMIANS APP
Power Systems In order to have lower cost of power generaion the load factor and diversity factor should be low the load factor should be high but diversity factor should be low The load factor and diversity factor should be high the load factor should be low but diversity factor should be high the load factor and diversity factor should be low the load factor should be high but diversity factor should be low The load factor and diversity factor should be high the load factor should be low but diversity factor should be high ANSWER DOWNLOAD EXAMIANS APP