Problem 4- A large 3-phase industrial load draws 3.6 MVA at 0.85 power factor lagging from through a three-phase 12.47/7.2 kV 3-wire overhead distribution line. The phase conductor is #1 ACSR “Robin". Taking 3.6MVA and 12.47 kV as base values, determine(a) The base impedance in (N)(b) The reactive power drawn by the load (p.u.)(c) The total current (p.u.) drawn from the power supply

Answered: Image /qna-images/answer/3a992f19-93ca-4ebb-ba88-ab1a0c1d7cf2.jpg

Answered: (a) The base impedance in (N) (b) The…

(a) The base impedance in (N) (b) The reactive power drawn by the load (p.u.) (c) The total current (p.u.) drawn from the power supply

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

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.38P

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Question

Problem 4- A large 3-phase industrial load draws 3.6 MVA at 0.85 power factor lagging from through a three-
phase 12.47/7.2 kV 3-wire overhead distribution line. The phase conductor is #1 ACSR “Robin". Taking 3.6
MVA and 12.47 kV as base values, determine
(a) The base impedance in (N)
(b) The reactive power drawn by the load (p.u.)
(c) The total current (p.u.) drawn from the power supply

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