(a) In a 3-phase balanced system shown in Figure 3(a), two wattmeters are used to measure the power across the delta-connected loads supplied with 15A line current. Let the impedance for each phase, Z1 = Z2 = Z3 = jg N, where g = 21 Note that j is the imaginary part of the impedances Z, Z2 and Z3. (i) Determine the phase current and line voltage. (ii) Compute the readings of wattmeters, W1 and W2. W1 IA Z3 = Z1= Z2 = jg 2 Z1 VBA IB VCB Ic W2 Figure O3(a)

(a) In a 3-phase balanced system shown in Figure 3(a), two wattmeters are used to measure the power across the delta-connected loads supplied with 15A line current. Let the impedance for each phase, Z1 = Z2 = Z3 = jg N, where g = 21 Note that j is the imaginary part of the impedances Z, Z2 and Z3. (i) Determine the phase current and line voltage. (ii) Compute the readings of wattmeters, W1 and W2. W1 IA Z3 = Z1= Z2 = jg 2 Z1 VBA IB VCB Ic W2 Figure O3(a)

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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