Power Systems If the load is short circuited, then reflection coefficient of voltage is -2 1 -1 0 -2 1 -1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of load bus are V and δ Q and V P and δ P and Q V and δ Q and V P and δ P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 2.4 pu 0.2 pu 1.375 pu 3.975 pu 2.4 pu 0.2 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? any of the above Admittance relays Mho relays Impedance relays any of the above Admittance relays Mho relays Impedance relays 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 Units of incremental cost is Rs/MWhr Rs/hr MWhr/Rs RsMW/hr Rs/MWhr Rs/hr MWhr/Rs RsMW/hr ANSWER DOWNLOAD EXAMIANS APP
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