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A three-phase, six-pole, wye-connected synchronous generator is rated at 550 V and has a synchronous reactance Xs = 2 . When the generator supplies 50 kVA at rated voltage and a power factor of 0.95 lagging, ?nd the armature current Ia and the excitation voltage Ef . Sketch the phasor diagram of ¯ Vt , ¯ Ia, and ¯ Ef . Also, determine the regulation corresponding to the operating conditions.
The single phase alternator The underlined italicised terms in the following text identifies terms that you should understand and remember. The simple two pole generator
Q. It is desired to have a sag or tilt of no more than 10% when a 50Hz square wave is impressed on an amplifier stage. The output circuit resistance is Rv=1K. What minimum value of
Discuss the DWORD assembler directive with example. DWORD: This defines word type variable. The described variable may have one or more initial values into the dire
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3) The impedance for a 120 km, 230-kV line is given as j 0.9 ohm/km and j 0.6 ohm/km for self and mutual terms respectively; resistance is neglected. The mho characteristic for the
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charges of +2q and -4q are fixed a distance d apart as in figure_2(a).find electric field at the point A ,B and C (b) sketch roughly the electric field lines.
Avalanche breakdown region: Even though these regions are well described for sufficiently large applied voltage, they overlap somewhat for small (less than a few hundred milli
Explain the construction of a MOSFET. Draw the symbols and diagrams of both P-channel and N-channel MOSFET. As JFET and MOSFET also have source, drain and gate. Its gate is ins
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