Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1 cm 1.5 cm 15 cm 5 cm 1 cm 1.5 cm 15 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? any of the above average peak value RMS any of the above average peak value RMS ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced All of these Power transfer capability of the transmission line is increased Transmission line losses are reduced Area of cross section and volume of the conductor is reduced All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Solid. Peterson coil. Reactance. Resistance. Solid. Peterson coil. Reactance. Resistance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce proximity effect ferranti effect skin effect radio interference proximity effect ferranti effect skin effect radio interference ANSWER DOWNLOAD EXAMIANS APP