Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are suspension type pin type insulator any of the above strain type suspension type pin type insulator any of the above strain type ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Geothermal. Tidal. Wind. Solar. Geothermal. Tidal. Wind. Solar. ANSWER DOWNLOAD EXAMIANS APP
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 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LG LLL LL LLG LG LLL LL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 28.28 kV 30.28 kV 29.28 kV 31.28 kV 28.28 kV 30.28 kV 29.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP