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A 25KVA, 3 phase, wye-connected, 400v synchronous generator has a synchronous impedance of 0.05 +j1.6 ohms per phase. Determine the full load voltage regulation at
(a) 0.8 power factor lagging,
(b) Unity power factor,
(c) 0.8 power factor leading.
What is the difference between the shifts and rotate instructions? A rotate instruction is a closed loop instruction. That is, the data moved out at single end is put back in a
Q. What is meant by amplification? The basic amplifying elements are, namely valves (vacuum tubes), bipolar transistors and FETs. The term "amplify" basically means to make str
RMS of generator
modes of operation of 8255
Explain the NEG instruction. NEG: Two's complement or arithmetic sign inversion (NEG). The NEG instruction two's complements a number that means that the arithmetic sign of a
V- I Characteristics When the peak value of applied voltage is less than the break over voltage of triac and no signal is applied to the triac it will block both pos
Q. (a) Determine the voltage at A in Figure . (b) With V i = 10 V, R 1 = 10 k, R 2 = 1000 , and A = 100, find the current i .
Q. Design the high-pass filter shown in Figure (by determining C) to have a half-power frequency of 1 MHz.
a. Determine the power flow diagram for a DC generator. b. A shunt wound DC generator delivers 496 A at 440 V to a load. The resistance of the shunt field coil is 110? and that
disadvantage of series & shunt clipper
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