convert Vbc(t) to cosine

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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I need some help with this problem, please convert Vbc(t) to cosine
#2. A 3-phase power system is shown in Fig.2, the delta-connected load is supplied through a short
transmission line whose impedance Zune-(0.01 +13) Ohms. If the load impedance Zoad = 45 L37° Ohms
per phase and the load voltage Vbe(t) = 295 sin (wt - 105°) V.
Zrine IA
Find
(i) The phasor currents I, in the line.
(ii) The current lb in the load.
(iii)The real power S-P+jQ of the source.
vo
Zline
جات
Z
Lab
zioad
Transcribed Image Text:#2. A 3-phase power system is shown in Fig.2, the delta-connected load is supplied through a short transmission line whose impedance Zune-(0.01 +13) Ohms. If the load impedance Zoad = 45 L37° Ohms per phase and the load voltage Vbe(t) = 295 sin (wt - 105°) V. Zrine IA Find (i) The phasor currents I, in the line. (ii) The current lb in the load. (iii)The real power S-P+jQ of the source. vo Zline جات Z Lab zioad
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