Problem 4 An electric saw, a wood shaper, and a motor load of a workshop establish a 18 kVA power demand at 0.5 power factor lagging on a 208 V, 60 Hz supply. a) Establish the power triangle for the load. b) Determine the power-factor capacitor that must be place in parallel with the load to raise the power factor to 0.9 lagging. c) Determine the change in supply current from the uncompensated to the compensated system.

Problem 4 An electric saw, a wood shaper, and a motor load of a workshop establish a 18 kVA power demand at 0.5 power factor lagging on a 208 V, 60 Hz supply. a) Establish the power triangle for the load. b) Determine the power-factor capacitor that must be place in parallel with the load to raise the power factor to 0.9 lagging. c) Determine the change in supply current from the uncompensated to the compensated system.

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 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

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