Example 14.10. A 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a load consisting of 30 A at p.f. 0-866 lagging for R-phase, 30 A at p.f. 0-866 leading for Y phase and 30 A at unity p.f. for B phase. The resistance of each line conductor is 0-2 Q The area of X-section of neutral is half of any line conductor. Calculate the supply end voltage for R phase. The phase sequence is RYB.

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 3.26P: A bank of three single-phase transformers, each rated 30MVA,38.1/3.81kV, are connected in Y- with a...
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Example 14.10. A 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a
load consisting of 30 A at p.f. 0-866 lagging for R-phase, 30 A at p.f. 0-866 leading for Y phase and
30 A at unity p.f. for B phase. The resistance of each line conductor is 0-2 2. The area of X-section
of neutral is half of any line conductor. Calculate the supply end voltage for R phase. The phase
sequence is RYB.
Transcribed Image Text:Example 14.10. A 3-phase, 4-wire distributor supplies a balanced voltage of 400/230 V to a load consisting of 30 A at p.f. 0-866 lagging for R-phase, 30 A at p.f. 0-866 leading for Y phase and 30 A at unity p.f. for B phase. The resistance of each line conductor is 0-2 2. The area of X-section of neutral is half of any line conductor. Calculate the supply end voltage for R phase. The phase sequence is RYB.
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