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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.
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E l e c t r ons and Holes For T> 0 K, there would be some electrons in the otherwise empty conduction band, and some empty states in the otherwise filled valence ban
HOW DOES SINGLE PHASE INDUCTION MOTORS DEVELOP A STARTING TORQUE ?
Calculate the monthly electric bill for TESTU. Metering is as follows: B 00,000 kWHr C 00,000 kVARHr D 0,000 kW peak demand Facilities Charge = $500
what is use of dummy coil in DC m/c????
Write shorte note on Carbon. Carbon: The rate of commutator wear in electrical machines is greatly decreased by using brushes made of carbon. Carbon (C) is also used in autom
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Q. Express the waveform of the staircase type shown in Figure as a sum of step functions.
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