Determine the line currents in a star connected load supplied from a symmetrical 3-phase, 3 wire 400V system using mesh current analysis. The branch impedance of the load are Za = (7 + j4.04)№, Zß = (8.66 + j8.66)№ and Zc = (4.04 + j7)№. Take the phase sequence as ABC. A symmetrical RYB, 400V, 50Hz, three phase supply is connected to unbalanced delta connected load. The load impedances are 150 N between R & Y, (50- j50) ≤ between Y & B, (30+j70) № between B & R. Draw the circuit diagram for two wattmeter method for measurement of power and find out the readings of two wattmeters.

Determine the line currents in a star connected load supplied from a symmetrical 3-phase, 3 wire 400V system using mesh current analysis. The branch impedance of the load are Za = (7 + j4.04)№, Zß = (8.66 + j8.66)№ and Zc = (4.04 + j7)№. Take the phase sequence as ABC. A symmetrical RYB, 400V, 50Hz, three phase supply is connected to unbalanced delta connected load. The load impedances are 150 N between R & Y, (50- j50) ≤ between Y & B, (30+j70) № between B & R. Draw the circuit diagram for two wattmeter method for measurement of power and find out the readings of two wattmeters.

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

Chapter8: Symmetrical Components

Section: Chapter Questions

Problem 8.28P

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