Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 3000 Ω 2000 Ω 1500 Ω 750 Ω 3000 Ω 2000 Ω 1500 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 250 Ω 25 Ω 500 Ω 1000 Ω 250 Ω 25 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? All of these beryllium heavy water graphite All of these beryllium heavy water graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, remains unaffected increases decreases None of these remains unaffected increases decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? either of these squirrel cage rotor salient pole rotor cylindrical rotor either of these squirrel cage rotor salient pole rotor cylindrical rotor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. ANSWER DOWNLOAD EXAMIANS APP