Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 4 F 1 F 0.5 F 2 F 4 F 1 F 0.5 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 0.5 ohm 50 ohms 500 ohms 5 ohms 0.5 ohm 50 ohms 500 ohms 5 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 1200 A. 3600 A. 35 kA. 104.8 kA. 1200 A. 3600 A. 35 kA. 104.8 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to V. 1 / V2. V2. 1 / V. V. 1 / V2. V2. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for All of these lagging power factor unity power factor leading power factor All of these lagging power factor unity power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? All of these. Load cycle tests. Thermal stability test. Impulse tests. All of these. Load cycle tests. Thermal stability test. Impulse tests. ANSWER DOWNLOAD EXAMIANS APP
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