b) Figure Q2(b) shows three-phase balanced system in star- delta connection. Given three- phase voltage at the load is Vry = 208V 20°V and the load impedance is ZLoad= (9 + j 12) N and then transmission line impedance is ZLine= (1+jl)2. Assumed the system is positive sequence, show all type of current and its value at the load on a phasor diagram. R ZLine ZLoad Zload y Zline ZLoad Y В ZLine

b) Figure Q2(b) shows three-phase balanced system in star- delta connection. Given three- phase voltage at the load is Vry = 208V 20°V and the load impedance is ZLoad= (9 + j 12) N and then transmission line impedance is ZLine= (1+jl)2. Assumed the system is positive sequence, show all type of current and its value at the load on a phasor diagram. R ZLine ZLoad Zload y Zline ZLoad Y В ZLine

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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Figure Q2(b) shows three-phase balanced system in star- delta connection. Given three- phase voltage at the load is Vry = 208V20°V and the load impedance is ZLoad= (9 +j 12) N and then transmission line impedance is ZLine= (1+jl)N. Assumed the system is positive sequence, show all type of current and its value at the load on a phasor diagram. R ZLine ZLoad Zload N y b Zline ZLoad Y B Zuine Figure Q2(b)
28 k
Phase Qz/ The eas Voltages at the terminal of abalan ced Y connected load is VAN=12o 28. Each Phase of the load consist of lo 230° .Find the active & Reactive and Complex Power Per-Phase then find the total Powers For three Phase load.
Answer Number 6 Write your Solution Pls Box your Final answer.
1. Given the circuit below, the phase voltages are given by Van = 20040° Vrms. The source impedance is 5 + j7 per phase and the wire impedance is 8 +j10 per phase. Let the load impedance be Zy = 50 ohms. Find: Van Vin Ven a. II, and Ic b. c. VAN, VBN, and VCN, and VAB, VBC, and VCA Z₂ Z₂ Z₂ Zw Zw Zw B C le N
A three-phase feeder supplies two loads A and B at 380 V (Figure 2).Find the impedance of load A of (55 + j89) ohms and that of load B of(90 + j66) ohms. Ordered as currents in phases A that feed the twoloads, and as currents in the delta connected load.
Q-3-) a V346.41 V b Z=0+339 Z=0+j3Q Z=0+/39 m Line V₂ R R R=1252 Star-Connected load R b-) Find the voltage drop value in the energy distribution line. c-) Find the voltage V₂ at the load ends at the end of the line. R B R R=1892 Delta-Connected load In the figure above, two balanced 3-phase delta and star-connected loads are connected in parallel to a balanced three-phase power distribution line. Delta and star connected loads are completely resistive and the resistance values per phase are 18 2 and 12 22, respectively. The phase-to-phase voltage value of the source feeding the line is 346.41 V (rms), and it is assumed that the three-phase network between the source and the load has an inductive reactance value of 3j 2 per phase. a-) Find the total current drawn from the source, active and reactive power values by selecting the Van voltage as a reference value.
Derive the relationship between in case of star and delta connected load between: a). Phase voltage and line voltage b). Phase current and line current