an abc-sequence set of voltages and Van = 120/40° V rms. If the a-phase line current and line impedance are known to be 6/15° A rms and 1 + j1 , respectively, find the load impedance. 11.50 An abc-phase-sequence three-phase balanced wye-con- nected source supplies a balanced delta-connected load. The impedance per phase in the delta load is 12 + j6 N. The line voltage at the source is Vab= 120 √3/40° V rms. If the line impedance is zero, find the line currents in the balanced wye-delta system. 11.51 An abc-phase-sequence three-phase balanced wye-connect- ed source supplies power to a balanced delta-connected load. The impedance per phase in the load is 14 + j7 . If the source voltage for the a phase is Va = 120/80° V rms and the line impedance is zero, find the phase currents in the wye-connected source. an 11.52 In a three-phase balanced delta-delta system, the source has an abc-phase sequence. The line and load impedances are 0.3 + j0.2 2 and 9 + j6 , respectively. If the load current in the delta is IAB = 15/40° A rms, find the phase bare voltages of the source. 11.53 An abc-phase-sequence three-phase balanced wye- connected source supplies a balanced delta-connected load. The impedance per phase of the delta load is 10 + j8 0. If the line impedance is zero and the line current in the a phase is known to be IA 28.10/-28.66° A rms, find the load voltage VAB = 11.54 In a balanced three-phase wye-delta system, the source has an abc-phase sequence and Van = 120/0° V rms. If the line impedance is zero and the line current IaA = 5/20° A rms, find the load impedance per phase in the delta. 11.55 A three-phase load impedance consists of a balanced wye in parallel with a balanced delta. What is the equivalent wye load and what is the equivalent delta load if the phase impedances of the wye and delta are 6 + j3 2 and 15+j10 , respectively? 11.56 In a balanced three-phase system, the source is a balanced wye with an abc-phase sequence and V ab 215/50° V rms. The load is a balanced wye in parallel with a balanced delta The phase impedance of the wye is 5 + by the 11.59 Calcul- phase the loa 11.60 A thre supply has a to tw is pu ance 11.61 Dete each 11.62 A d sequ imp loa vol and the po 11.63 A lo is 20 11.64 I S 1 11.65 C 11.66
an abc-sequence set of voltages and Van = 120/40° V rms. If the a-phase line current and line impedance are known to be 6/15° A rms and 1 + j1 , respectively, find the load impedance. 11.50 An abc-phase-sequence three-phase balanced wye-con- nected source supplies a balanced delta-connected load. The impedance per phase in the delta load is 12 + j6 N. The line voltage at the source is Vab= 120 √3/40° V rms. If the line impedance is zero, find the line currents in the balanced wye-delta system. 11.51 An abc-phase-sequence three-phase balanced wye-connect- ed source supplies power to a balanced delta-connected load. The impedance per phase in the load is 14 + j7 . If the source voltage for the a phase is Va = 120/80° V rms and the line impedance is zero, find the phase currents in the wye-connected source. an 11.52 In a three-phase balanced delta-delta system, the source has an abc-phase sequence. The line and load impedances are 0.3 + j0.2 2 and 9 + j6 , respectively. If the load current in the delta is IAB = 15/40° A rms, find the phase bare voltages of the source. 11.53 An abc-phase-sequence three-phase balanced wye- connected source supplies a balanced delta-connected load. The impedance per phase of the delta load is 10 + j8 0. If the line impedance is zero and the line current in the a phase is known to be IA 28.10/-28.66° A rms, find the load voltage VAB = 11.54 In a balanced three-phase wye-delta system, the source has an abc-phase sequence and Van = 120/0° V rms. If the line impedance is zero and the line current IaA = 5/20° A rms, find the load impedance per phase in the delta. 11.55 A three-phase load impedance consists of a balanced wye in parallel with a balanced delta. What is the equivalent wye load and what is the equivalent delta load if the phase impedances of the wye and delta are 6 + j3 2 and 15+j10 , respectively? 11.56 In a balanced three-phase system, the source is a balanced wye with an abc-phase sequence and V ab 215/50° V rms. The load is a balanced wye in parallel with a balanced delta The phase impedance of the wye is 5 + by the 11.59 Calcul- phase the loa 11.60 A thre supply has a to tw is pu ance 11.61 Dete each 11.62 A d sequ imp loa vol and the po 11.63 A lo is 20 11.64 I S 1 11.65 C 11.66
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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