7. A three-phase, four-wire 150-V, CBA system has a Y- connected load with ZA = 6/0°n, z, = 6/30°n and Ze = 5/45° v. Solve the current in the neutral wire. a. 10.21 A b. 15.82 A c. 19.89 A d. 21.12 A 8. A three-phase, three-wire 500 v, 60 Hz source supplies a three-phase induction motor, a wye connected capacitor bank draws 2 KVAR per phase, and a balanced three-phase heater that draws a total of 10 kW. The induction motor is operating at its rated 75 hp and has an efficiency and power factor of 90.5 and 89.5 percent, respectively. Determine the system complex power. a. 75.98 + 124.81 b. 71.82 + j24.81 c. 75.98 d. 71.82 124.81 324.81

7. A three-phase, four-wire 150-V, CBA system has a Y- connected load with ZA = 6/0°n, z, = 6/30°n and Ze = 5/45° v. Solve the current in the neutral wire. a. 10.21 A b. 15.82 A c. 19.89 A d. 21.12 A 8. A three-phase, three-wire 500 v, 60 Hz source supplies a three-phase induction motor, a wye connected capacitor bank draws 2 KVAR per phase, and a balanced three-phase heater that draws a total of 10 kW. The induction motor is operating at its rated 75 hp and has an efficiency and power factor of 90.5 and 89.5 percent, respectively. Determine the system complex power. a. 75.98 + 124.81 b. 71.82 + j24.81 c. 75.98 d. 71.82 124.81 324.81

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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