Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Two alternators are operating in parallel supplying a common load of 4250 kW at 0.85 power factor lag. Alternator A contributes 600 kVAR at 0.92 power factor lag. Solve for the power factor of alternator B.
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- A three-phase alternator generating unbalanced voltages is connected to an unbalanced load through a 3-phase transmission line as shown in figure. The neutral of the alternator and the star point of the load are solidly grounded. The phase voltages of the alternator are Ea = 1020º, Eb = 102-90°, Ec = 10/120⁰ E E E The positive sequence component of the load current is (A) 1.3102-107⁰ A (B) 0.3322-120° A (C) 0.9962-120º A (D) 3.5104-81⁰ A +) + j1.002 0000 j1.002 0000 j1.0Ω vovo j1.0Ω 0000 j2.002 voor j3.002 ooooarrow_forward14- A load 100+j0 ohms is connected across a 200V and 50 Hz supply. Find the Power factor. a. Unity b. 0.4 c. 0.8 d. 0.6arrow_forward
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