Question 5 Referring to Figure 5, the phase voltages VRN, VYN and VBN are 120Đ0V, 120Đ-120V and 120Đ120V respectively. The loads ZR, ZB and ZY are all 15Đ40W. Calculate: i. The line voltages, VBR, VRY, VYB. ii. The phase currents, /Y, IB, IR. iii. The line currents, IRR, IYY, IBB. iv. The power factor, pf. v. The total power dissipated by loads. IRR IR VBR VYB AC N ZR ZB VRY Iyy Zy IBB Figure 5

Question 5 Referring to Figure 5, the phase voltages VRN, VYN and VBN are 120Đ0V, 120Đ-120V and 120Đ120V respectively. The loads ZR, ZB and ZY are all 15Đ40W. Calculate: i. The line voltages, VBR, VRY, VYB. ii. The phase currents, /Y, IB, IR. iii. The line currents, IRR, IYY, IBB. iv. The power factor, pf. v. The total power dissipated by loads. IRR IR VBR VYB AC N ZR ZB VRY Iyy Zy IBB Figure 5

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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This question in (three phase) subject.. I want the the correct answer from choices ..
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The sensitivity of a node to real power changes is 100 MW/kV of line voltage and that to reactive power changes is 10 MVAr/kV of line voltage. (v) How much reactive compensation would have to be introduced at a point to maintain the voltage constant for a real power change of 55MW?
Referring to the circuit shown in Figure 1 below, solve the following problems: - i) Calculate the total impedance, ZT. ii) Determine the total current, Ir supplied by the generator iii) Determine the value of current at load impedance, I1, I2 and I3. iv) Calculate total real power, PT and reactive power, Qr supplied by the generator. v) Draw a power triangle of this circuit vi) Calculate the power factor of this circuit.
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Subject Power Transmission and Distribution
Find out the zero-phase sequence components of the following set of three unbalanced voltage vectors: Va =10cis30° ,Vb= 30cis-60°, Vc=15cis145°" (THOS PROBLEM IS MULTIPLE CHOICE PLEASEE CHOOSE THE LETTER WITH THE CORRECT ANSWER AND PLEASE PROVIDE YOUR CLEAR SOLUTION! A 16.809cis-72.579° B 5.603cis72.579° C 16.809cis-47.421° D 5.603cis-47.421°
7
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