Line impedanceMiM1TransformerVsVTM3M2Line impedanceпеutralLine impedanceM3Figure 2: Distribution lines equivalent circuit.Figure 1: Low voltage lines exiting the distributiontransformer center.In the given circuit, low voltage lines are seen coming out of a distribution transformerwhose Low Voltage side is star connected. R (QR = 0) phase for M1 line, S (pS = 120)phase for M2 line andT (oT = -120) phase is used for M3 line. The impedances of theloads at the end of the lines are (100 + j25) N and the impedances of the lines (1 + j) N.• Draw the equivalent circuits of the lines by writing the impedance values in place as given in Figure 2.

The equivalent circuit of a transmission line is nothing but the representation of a transmission…

Answered: Draw the equivalent circuits of the…

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Draw the equivalent circuits of the lines by writing the impedance values in place as given in Figure 2.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.49P: Consider the single-Line diagram of a power system shown in Figure 3.42 with equipment ratings...

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Question

Line impedance
Mi
M1
Transformer
Vs
VT
M3
M2
Line impedance
пеutral
Line impedance
M3
Figure 2: Distribution lines equivalent circuit.
Figure 1: Low voltage lines exiting the distribution
transformer center.
In the given circuit, low voltage lines are seen coming out of a distribution transformer
whose Low Voltage side is star connected. R (QR = 0) phase for M1 line, S (pS = 120)
phase for M2 line andT (oT = -120) phase is used for M3 line. The impedances of the
loads at the end of the lines are (100 + j25) N and the impedances of the lines (1 + j) N.
• Draw the equivalent circuits of the lines by writing the impedance values in place as given in Figure 2.

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