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4. In a balance 3-phase system, the load is wye-connected and one of the values given is 10230 2. If (phasor) Vbc=416290 find (phasor) Ic in polar form.

4. In a balance 3-phase system, the load is wye-connected and one of the values given is 10230 2. If (phasor) Vbc=416290 find (phasor) Ic in polar form.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Hi, I would like to explain this problem with clear steps. I have a hard time trying to undersand the phase in this problem, I am attaching a secondary picture as a reference. 

4. In a balance 3-phase system, the load is wye-connected and one of the values given is 10230 2. If (phasor) Vbc=416290 find (phasor) Ic in polar form.
Transcribed Image Text:4. In a balance 3-phase system, the load is wye-connected and one of the values given is 10230 2. If (phasor) Vbc=416290 find (phasor) Ic in polar form.
Also, the line voltages lead their corresponding phase voltages by 30°. Figure.(3a) illustrates this. Figure.(3a) also shows how to determine Vab from the phase voltages, while Figure.(3b) shows the same for the three-line voltages. Notice that Vab leads Vьc by 120°, and Vьc leads Vca by 120° so that the line voltages sum up to zero as do the phase voltages. cn V bn V₁ nb 30° (a) an Vab=Van+Vnb Vbn V be an V ab (b) Figure 3. Phasor diagrams illustrating the relationship between line voltages and phase voltages
Transcribed Image Text:Also, the line voltages lead their corresponding phase voltages by 30°. Figure.(3a) illustrates this. Figure.(3a) also shows how to determine Vab from the phase voltages, while Figure.(3b) shows the same for the three-line voltages. Notice that Vab leads Vьc by 120°, and Vьc leads Vca by 120° so that the line voltages sum up to zero as do the phase voltages. cn V bn V₁ nb 30° (a) an Vab=Van+Vnb Vbn V be an V ab (b) Figure 3. Phasor diagrams illustrating the relationship between line voltages and phase voltages
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