A balanced 3-phase load of 23.5 MVA with PF=0.85 lagging is supplied with a balanced 3-phase source of 12.5 kV (line-to-line). Determine: VLL, IL, and VLN, The phase angle between phase voltage and current, θ, S3ϕ, S3ϕ, P3ϕ, and Q3ϕ, ZY if load is wye and ZΔ if load is delta, What size capacitor bank (in kVAR) would need to be installed to increase the PF to 0.9 lagging.

A balanced 3-phase load of 23.5 MVA with PF=0.85 lagging is supplied with a balanced 3-phase source of 12.5 kV (line-to-line). Determine: VLL, IL, and VLN, The phase angle between phase voltage and current, θ, S3ϕ, S3ϕ, P3ϕ, and Q3ϕ, ZY if load is wye and ZΔ if load is delta, What size capacitor bank (in kVAR) would need to be installed to increase the PF to 0.9 lagging.

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 2.51P: A three-phase line with an impedance of (0.2+j1.0)/ phase feeds three balanced three-phase loads...

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