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A three-phase line has an impedance of 2+ j4 fl as shown in Figure 2.19 2+j4n ww Vl = 207.85 V b- thmJ -j450 30n j400 FIGURE 2.19 Thre-phase circuit diagrum for Eaample 2.7. The line feeds two halanced thre-phase loads that are comecied in parallel The first load is Y-commected and has animpedance of 30+j40 per phase. The secand load is A-connected and has an impedance of 60-345 n. The line is energizod at the sending end from a theee-phase balanced supply of line voltage 207.85 V. Taking the phase voltage V, s reference, determine: (a) The curmat, mral power, and reactive power drawn from the supply. (b) The line voltage at the combined loads. (c) The current per phase in ench koad

A three-phase line has an impedance of 2+ j4 fl as shown in Figure 2.19 2+j4n ww Vl = 207.85 V b- thmJ -j450 30n j400 FIGURE 2.19 Thre-phase circuit diagrum for Eaample 2.7. The line feeds two halanced thre-phase loads that are comecied in parallel The first load is Y-commected and has animpedance of 30+j40 per phase. The secand load is A-connected and has an impedance of 60-345 n. The line is energizod at the sending end from a theee-phase balanced supply of line voltage 207.85 V. Taking the phase voltage V, s reference, determine: (a) The curmat, mral power, and reactive power drawn from the supply. (b) The line voltage at the combined loads. (c) The current per phase in ench koad

Introductory Circuit Analysis (13th Edition)
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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Example 2.7 A three-phase line has an impedance of 2 + j4 fN as shown in Figure 2.19. 2+j4n V = 207.85 V b- -j450 302 j400 FIGURE 2.19 Three-phase circuit diagram for Eaample 2.7. The line feeds twe halanced theee-phase loads that are comecied in parallel The first load is Y-comected and has an impedance of 30+j40 per phase. The second load is A-connected and has an impedance of 60-345 n. The line is energizod at the sending end from a thee-phase balanced supply of line voltage 207.85 V. Taking the phase voltage V, s reference, determine: (a) The curmat, wal power, snd reactive power drawn from the supply. (b) The line voltage at the combined loads. (c) The current per phase in each koad. (d) The total real and reactive powers in cach kad and the line
Transcribed Image Text:Example 2.7 A three-phase line has an impedance of 2 + j4 fN as shown in Figure 2.19. 2+j4n V = 207.85 V b- -j450 302 j400 FIGURE 2.19 Three-phase circuit diagram for Eaample 2.7. The line feeds twe halanced theee-phase loads that are comecied in parallel The first load is Y-comected and has an impedance of 30+j40 per phase. The second load is A-connected and has an impedance of 60-345 n. The line is energizod at the sending end from a thee-phase balanced supply of line voltage 207.85 V. Taking the phase voltage V, s reference, determine: (a) The curmat, wal power, snd reactive power drawn from the supply. (b) The line voltage at the combined loads. (c) The current per phase in each koad. (d) The total real and reactive powers in cach kad and the line
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