Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Efficiency and capacity factor of an electric power generator depend on how it is operated.
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- 3. Two 750 kW alternators operate in parallel. The speed regulation of one machine is 100% to 103 % from full-load to no-load and that of the other is 100% to 104 %. How will the two alternators share a load of 1000 kW ? [464-3 kW; 535-7 kW]arrow_forwardA long shunt generator supplies a load of 5.5 kW at 110 V. Shunt field. series field and armature resistance are 110ohm, 0.04ohm and 0.06ohm respectively. Take the brush drop 1 volts per brush. Calculate the emf generated.arrow_forwardThe output of a shunt generator is 66A at 100V. Armature resistance is 0.04Ω and the field resistance is 25Ω. if the total efficiency at this load is 88%, determine a) Total copper loss b)SPL c) Bhparrow_forward
- A Van-de-Graaf generator produces 1000 N force on its belt. A variable speed motor drive is driving the generator directly. The diameter of the pulley on the motor side of the generator is 20 cm. If the input power of the motor is 1.5 kW and its efficiency is 96%, what must be its speed in revs/min?arrow_forwardProblem #4: When a generator is being driven at 1200 rpm, the generated emf is 125 volts. Determine the generated emf if the speed Is reduced to 1100 rpm, the fleld flux remaining unchanged,arrow_forward
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