Draw a single line per-unit impedance diagram for the system whose single line di Figure 2. The ratings of the components in the power system are given below, Generator (1): 40MVA, 13.8kV, R:3% X=80% Motor (2): 20MVA, 13.8kV, R:3% X=80% Motor (3): 10MVA, 13.2kV; R:3% X-100% Y-A Transformers: 20MVA, 13.8/138kV, R:2% X=10% Line 1: R:10 Q X=j500 Line 2: R:5 Q X=j300 Line 3: R:5 ΩΧ330Ω Select a base of 40MVA and 128kV in the transmission line 1. (25pts.) Region 2 AY YA Region 1 Region 3

Draw a single line per-unit impedance diagram for the system whose single line di Figure 2. The ratings of the components in the power system are given below, Generator (1): 40MVA, 13.8kV, R:3% X=80% Motor (2): 20MVA, 13.8kV, R:3% X=80% Motor (3): 10MVA, 13.2kV; R:3% X-100% Y-A Transformers: 20MVA, 13.8/138kV, R:2% X=10% Line 1: R:10 Q X=j500 Line 2: R:5 Q X=j300 Line 3: R:5 ΩΧ330Ω Select a base of 40MVA and 128kV in the transmission line 1. (25pts.) Region 2 AY YA Region 1 Region 3

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.38P

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