Problem

A three-phase line has an impedance of 0.0.1 + j0.8 Ω/ϕ The line feeds two balanced three-...

A three-phase line has an impedance of 0.0.1 + j0.8 Ω The line feeds two balanced three-phase loads connected in parallel. The first load is absorbing a total of 630 kW and absorbing 840 kVAR magnetizing vars. The second load is Y-connected and has an impedance of 15.36 – j4.48 Ω The line-to-neutral voltage at the load end of the line is 4000 V. What is the magnitude of the line voltage at the source end of the line?

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