Power Systems Which of the following statements are true? Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection 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 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The term self GMD is used to calculate capacitance inductance resistance both 1 and 2 capacitance inductance resistance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems One Kg of natural uranium gives energy equivalent to about 1000 Kg of coal. 5000 Kg of coal. 100 Kg of coal. 10500 Kg of coal. 1000 Kg of coal. 5000 Kg of coal. 100 Kg of coal. 10500 Kg of coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 51.61 MW. 57.5 MW. 53 MW. 52 MW. 51.61 MW. 57.5 MW. 53 MW. 52 MW. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS