(b) Figure 5 shows a three-phase supply of 240 V in A-configuration connected to a balanced load comprising three impedances of (12 + j15) N in Y-configuration. Given that the voltages of Vab, Vhe and Vea are at 15°, -105° and 135°, respectively. [Rajah 5 menunjukkan satu sumber tiga-fasa 240 V dalam konfigurasi-a bersambung kepada beban terimbang yang terdiri daripada tiga galangan (12 + j15) Ndalam konfigurasi-Y. Diberikan voltan Van, Vne dan Ve masing-masing adalah pada 15°, -105°dan 135°] 1, Zy Figure 5 (Rajah S) (i) Sketch a phasor representation of V ab, Vne, and Vea in the same graph. (Lakarkan perwakilan pemfasa Van, Vao dan Vea di dalam graph yang sama] (ii) Calculate the values of Ia, In, and Iç and state your answers in polar form. (Kirakan nilai-nilai In Is dan I, dan nyatakan jawapan-jawapan anda dalam bentuk 'polar' ] (iii) Determine the total real power consumed by the load. (Tentukan jumlah kuasa nyata yang digunakan oleh beban.)
(b) Figure 5 shows a three-phase supply of 240 V in A-configuration connected to a balanced load comprising three impedances of (12 + j15) N in Y-configuration. Given that the voltages of Vab, Vhe and Vea are at 15°, -105° and 135°, respectively. [Rajah 5 menunjukkan satu sumber tiga-fasa 240 V dalam konfigurasi-a bersambung kepada beban terimbang yang terdiri daripada tiga galangan (12 + j15) Ndalam konfigurasi-Y. Diberikan voltan Van, Vne dan Ve masing-masing adalah pada 15°, -105°dan 135°] 1, Zy Figure 5 (Rajah S) (i) Sketch a phasor representation of V ab, Vne, and Vea in the same graph. (Lakarkan perwakilan pemfasa Van, Vao dan Vea di dalam graph yang sama] (ii) Calculate the values of Ia, In, and Iç and state your answers in polar form. (Kirakan nilai-nilai In Is dan I, dan nyatakan jawapan-jawapan anda dalam bentuk 'polar' ] (iii) Determine the total real power consumed by the load. (Tentukan jumlah kuasa nyata yang digunakan oleh beban.)
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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