Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and the other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source. a. Draw the power triangle for each load and for the combined load. b. Determine the power factor of the combined load and state whether lagging or leading. c. Determine the magnitude of the line current from the source
Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and the other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase, 480-volt source. a. Draw the power triangle for each load and for the combined load. b. Determine the power factor of the combined load and state whether lagging or leading. c. Determine the magnitude of the line current from the source
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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...
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Two balanced Y-connected loads in parallel, one drawing 15 kW at 0.6 power factor lagging and
the other drawing 10 kVA at 0.8 power factor leading, are supplied by a balanced, three-phase,
480-volt source.
a. Draw the power triangle for each load and for the combined load.
b. Determine the power factor of the combined load and state whether lagging or leading.
c. Determine the magnitude of the line current from the source.
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