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Q. Three single-phase 100-kVA, 2400:240-V, 60-Hz transformers (each ofwhich has an equivalent series impedance of 0.045+j0.16 referred to its low-voltage side) are connected to form a three phase, 4160:240-V transformer bank, which in turn is connected to a three-phase feeder with an impedance of 0.5 + j1.5 /phase. When the three-phase transformer bank delivers 250 kWat 240Vand 0.866 lagging power factor, determine:
(a) The transformer winding currents.
(b) The sending-end voltage (line to line) at the source.
Find out Form factor and Peak factor: For the output of full wave rectifier, find out (a) RMS value, (b) Average value, (c) Form factor, and (d) Peak factor. S
calculation of series DC motor
Q. Determine the voltage transfer function of the low pass filter circuit shown in Figure, and find the expression for ω 0 .
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Capacitor-input filter: The capacitor-input filter, as well called pi filter because of its shape which looks like the Greek letter pi, is a sort of electronic filter. Filter
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