Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 500 MVA 200 MVA 400 MVA 100 MVA 500 MVA 200 MVA 400 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 25060 J. 20160 J. 23060 J. 20060 J. 25060 J. 20160 J. 23060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Aluminium. Copper. Silver. Carbon. Aluminium. Copper. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H2/3. none of these. N√( P ) / H1.25. P√( N ) / H3/2. N√( P ) / H2/3. none of these. N√( P ) / H1.25. P√( N ) / H3/2. 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 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge tank is kept very close to the turbine generator spill way pen stock turbine generator spill way pen stock ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS