Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 1 0.25 0.5 0.75 1 0.25 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Admittance relays Mho relays Impedance relays any of the above Admittance relays Mho relays Impedance relays any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.0060 0.60 0.0030 0.30 0.0060 0.60 0.0030 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLG LL LG LLL LLG LL LG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. elliptical. spiral. none of these. circular. elliptical. spiral. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Z bus matrix Y bus matrix Unit matrix null matrix Z bus matrix Y bus matrix Unit matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
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