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A250-V, 50-kWshort-shunt compound dc generator,whose schematic diagramis shown in Figure, has the following data: armature resistance 0.05 , series-field resistance 0.05 , and shunt-field resistance 130 . Determine the induced armature emf at rated load and terminal voltage, while taking 2V as the total brush-contact drop.
i need some explanation on Wien Bridge Oscillator with some example ?
Q. Two 1150:115-V transformers are to be inter connected for (a) 2300:230-V operation, and (b) 1150:230-V operation. Show the interconnections and appropriate polarity markings.
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
Decoders and multiplexers are termed, medium scale integration (MSI) devices; this term implies that the device is complex in construction and usually its operation as well. Below
why is detecting the time of islanding relevant?
Use of Capacitor in Technical Loss Reduction The use of capacitors to correct for poor power factor is a well-built and cost-effective means of reducing distribution system lo
Q. A three-phase, 600-kVA, 2300:230-V,Y-Y trans-former bank has an iron loss of 4400Wand a full-load copper loss of 7600 W. Find the efficiency of the transformer for 70%full load
Q. For the coupled coils shown in Figure, a dot has been arbitrarily assigned to a terminal as indicated. Following the dot convention presented in the text, place the other dot in
Give the applications of carbon. Carbon : These materials used in the field of electrical engineering are manufactured from graphite and the other forms carbon as coal and so
Q. Three identical impedances of 30 30° are connected in delta to a three-phase 173-V system by conductors that have impedances of 0.8 + j0.6 each. Compute the magnitude of the l
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