3.3 The active power of a 440-V, 3-phase lagging power factor load is measured by two-wattmeter method and the readings of the meters are found as 40 kW and 10 kW. Determine the load power factor and line current. Another 3-phase load of 30 kVA at 0.85 lagging power factor is now added in parallel with the previous load. Determine the new meter readings.

3.3 The active power of a 440-V, 3-phase lagging power factor load is measured by two-wattmeter method and the readings of the meters are found as 40 kW and 10 kW. Determine the load power factor and line current. Another 3-phase load of 30 kVA at 0.85 lagging power factor is now added in parallel with the previous load. Determine the new meter readings.

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 2.23P: A single-phase source has a terminal voltage V=1200volts and a currentI=1530, which leaves the...

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