Determine the line current, neutral current and total active power in an unbalanced star connected load supplied from a symmetrical three-phase, 440 V supply system. The branch impedance of the load are ZR = 15 300 \Omega, ZW = 20 750 \Omega and ZB = 400 500 \Omega. The phase sequence is R-W-B.

Determine the line current, neutral current and total active power in an unbalanced star connected load supplied from a symmetrical three-phase, 440 V supply system. The branch impedance of the load are ZR = 15 300 \Omega, ZW = 20 750 \Omega and ZB = 400 500 \Omega. The phase sequence is R-W-B.

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 2.27MCQ: When working with balanced three-phase circuits, per-phase analysis is commonly done after...

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Question

Determine the line current,
neutral current and total active
power in an unbalanced star
connected load supplied from a
symmetrical three-phase, 440 V
supply system. The branch
impedance of the load are ZR
= 15 300 \Omega, ZW
= 20 750 \Omega and ZB
= 400 500 \Omega. The phase
sequence is R-W-B.

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