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A 500KVA, 6 pole, 500v, 3 phase, wye-connected synchronous generator has a synchronous impedance of 0.1 + j1.5 ohms per phase. If the generator is driven at 1000 r.p.m., what is the frequency of the generated voltage? Determine the excitation voltage and the power angle on full load and 0.8 lagging power factor.
Discuss DMA operation in brief. The fundamental idea of DMA is to transfer blocks of data directly among memory and peripherals. The data don't suffer the microprocessor but th
Q. Explain the function of time base generator in CRO. Sol. Oscilloscopes are used to display a waveform that varies as a function of time. If the waveform is to be accuratel
Consider the circuit of Figure for t> 0 with zero initial conditions, v Th (t) = 1 V (dc), and R Th = 2 ; L = 1 H. Determine the complete response for vC(t) for capacitance value
Q. Briefly explain about Wye-delta transformation? Certain network configurations cannot be reduced or simplified by series-parallel combinations alone. In some such cases wye-
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Q. Which of the 3 transistor configuration is best to use in cascade if maximum voltage gain is to be realized? The common collector configuration is not used for intermediate
Fourier Deconstruction Find the Fourier series as far as the third harmonic, to represent the periodic function y, given by the values in the following table.
Q. A 10-kW, 250-V dc shunt generator, having an armature resistance of 0.1and a field resistance of 250 , delivers full load at rated voltage and 800 r/min. The machine is now ru
Q. Consider the non inverting amplifier. Let R i = 1k and R f = 2k. Let the op amp be ideal, except that its output cannot exceed ±12 V at a current of ±10 mA. (a) Find the
Q. (a) The concept of duality can be extended to nonelectric physical systems bymeans of analogs. For example, the mechanical system characteristics can be investigated by means
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