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Q. Explain Generating mode of rotating machines?
The generating mode has mechanical power input and electric power output. The torque T applied externally to the shaft drives the machine against the electrically developed torque Te. The generated emf e drives current out of the winding against the terminal voltage v.
What is ideal and real sources? Source conversion? Nodal voltage method for d.c circuit?
Q. Give the classification of Oscillators? Depending on the type of the output waveform, oscillators are classified as sinusoidal (or harmonic) oscillators and relaxation osci
An abrupt silicon (n i = 10 10 cm -3 ) p-n junction consists of a p-type region containing 10 16 cm -3 acceptors and an n-type region containing 5 x 10 16 cm -3 donors. a)
A 3-phase, wye-connected, 11.8 kV, 100 MVA turbo- generator of 0.8 power factor lagging has a synchronous reactance of 2.0 p.u. on rating. The generator is driven by a steam turbin
Define Stability - Characteristics of Discrete Time Systems? The LTI system is stable if its impulse response satisfies the condition This condition is satisfie
Describe the nature of electricity
State by inspection (i.e. without performing any formal analysis) all you can about each of the periodic waveforms shown in FIGURE 1 in terms of their Fourier series when analysed
Q. What is the principle of operation of an integrating circuit? The RC integrator is typically a series RC circuit that uses the capacitor to develop its output. Since voltage
Equipment parameter data: The schematic diagrams for existing substations have to be prepared along with information of power transformer rating and numbers, impedance values,
Explain dipolar polarization. Dipolar polarization is a polarization which is particular to polar molecules. Such polarization results from permanent dipoles that retain po
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