Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 30° 35° 60° 45° 30° 35° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Fast acting governing system All of these Dynamic breaking Fast acting excitation control Fast acting governing system All of these Dynamic breaking ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. 5th harmonic current. 3rd harmonic current. 2nd harmonic current. 7th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In relay coil which is used? Power transformer. Current transformer. Instrument transformer. Potential transformer. Power transformer. Current transformer. Instrument transformer. Potential transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Hydro electric. Petrol engine. Diesel engine. Thermal. Hydro electric. Petrol engine. Diesel engine. Thermal. ANSWER DOWNLOAD EXAMIANS APP
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