Three balanced three-phase loads are connected in parallel. Load 1 is Y-connected with an impedance of...

Three balanced three-phase loads are connected in parallel. Load 1 is Y-connected with an impedance of 420+300i Ω/ϕ ; load 2 is Δ-connected with an impedance of 2400-1780i Ω/ϕ ; and load 3 is 170.1+2201i kVA . The loads are fed from a distribution line with an impedance of 2+17i Ω/ϕ . The magnitude of the line-to-neutral voltage at the load end of the line is 23√3 kV.

Part A: Calculate the total complex power at the sending end of the line.

Part B: What percentage of average power at the sending end of the line is delivered to the loads.

Expert Solution

Manojponduru answered 2 months ago

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