3. A three-phase system is operating with two loads. The line voltage at the terminals of the load is 480V. Load 1 is Y-connected with impedance magnitude of 9 and an angle of 36.87, load 2 is delta-connected with impedance magnitude of 5 and angle of -30. It is connected through a line with impedance 0.09 + j0.16 ohms a. Find the voltage drop across the transmission lines b. Find the real and reactive power supplied to the two loads. c. Solve the overall complex power supplied by the source and compute the overall p.f. d. If two wattmeters are connected at the terminals of the load, compute the reading (assuming a common connection at a).

3. A three-phase system is operating with two loads. The line voltage at the terminals of the load is 480V. Load 1 is Y-connected with impedance magnitude of 9 and an angle of 36.87, load 2 is delta-connected with impedance magnitude of 5 and angle of -30. It is connected through a line with impedance 0.09 + j0.16 ohms a. Find the voltage drop across the transmission lines b. Find the real and reactive power supplied to the two loads. c. Solve the overall complex power supplied by the source and compute the overall p.f. d. If two wattmeters are connected at the terminals of the load, compute the reading (assuming a common connection at a).

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 2.43P: A three-phase line, which has an impedance of (2+j4) per phase, feeds two balanced three-phase loads...

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