Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied always if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively increases and decreases increases and increases decreases and decreases decreases and increases increases and decreases increases and increases decreases and decreases decreases and increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 23.33 mH. 25.8 mH. 21.2 mH. 23.8 mH. 23.33 mH. 25.8 mH. 21.2 mH. 23.8 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is increased reduced remains unaffected any of the above increased reduced remains unaffected any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control parallel frequency flat frequency control All of these flat tie line control parallel frequency flat frequency control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 750 MW 1500 MW 1000 MW 1250 MW 750 MW 1500 MW 1000 MW ANSWER DOWNLOAD EXAMIANS APP
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