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Q. A single-phase, two-winding, 10-kVA, 440:110- V, 60-Hz transformer is to be connected as an autotransformer to supply a load at 550 V from a 440-V supply. Draw a schematic diagram of the connections and determine:
(a) The maximum kVA rating as an autotransformer.
(b) The maximum apparent power transferred by conduction.
(c) The maximum apparent power transferred by electromagnetic induction.
stress
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Q. Determine the voltages V x using voltage division and equivalent resistor reductions for the circuits shown in Figure.
Athree-phase, 440-V, 60-Hz, four-pole induction motor operates at a slip of 0.025 at full load, with its rotor circuit short-circuited. This motor is to be operated on a 50-Hz supp
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