Problem 11.27. A three-phase positive sequence Y-connected source supplies 15 kVA with a power factor of 0.75 lagging to a parallel combination of a Y-connected load and a Δ-connected load. The Y-connected load uses 6 kVA at a power factor of 0.6 lagging and has an a-phase current of 12∠−40∘ A. 1.Find the complex power in VA per phase of the Δ-connected load. Express your answer using polar notation, only provide the polar magnitude. 2. Find the complex power in VA per phase of the Δ-connected load. Express your answer using polar notation, only provide the polar angle in degrees. 3.Find the magnitude in volts of the line voltage.

Problem 11.27. A three-phase positive sequence Y-connected source supplies 15 kVA with a power factor of 0.75 lagging to a parallel combination of a Y-connected load and a Δ-connected load. The Y-connected load uses 6 kVA at a power factor of 0.6 lagging and has an a-phase current of 12∠−40∘ A. 1.Find the complex power in VA per phase of the Δ-connected load. Express your answer using polar notation, only provide the polar magnitude. 2. Find the complex power in VA per phase of the Δ-connected load. Express your answer using polar notation, only provide the polar angle in degrees. 3.Find the magnitude in volts of the line voltage.

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 2.19P: Consider a single-phase load with an applied voltage v(t)=150cos(t+10)volts and load current...

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