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The transformer of Example is supplying full load (i.e., rated load of 50 kVA) at a rated secondary voltage of 240 V and 0.8 power factor lagging. Neglecting the exciting current of the transformer,
(a) Determine the percent voltage regulation of the transformer.
(b) Sketch the corresponding phasor diagram.
(c) If the transformer is used as a step-down transformer at the load end of a feeder whose impedance is 0.5 + j2.0 , find the voltage VS and the power factor at the sending end of the feeder.
Calculate the value of resistor: 1. What are the significant differences in the way ammeters and voltmeters are connected. If an ammeter reads 2.5 A for a period of 4 minutes
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Q. For the configurations of the coupled coils shown in Figure, obtain the voltage equations for v 1 and v 2 .
Solution for dc motor speed and position controller
electrostatics focusing arrangement of cro
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