Two balanced three phase loads are connected to a busbar with 10kV line voltage at 50Hz....

Two balanced three phase loads are connected to a busbar with 10kV line voltage at 50Hz. Load A is 168kVA at cosφ = 0,85 (lagging). Load B is connected in Y and draws a complex phase current ?? = 4,79∠ − 24,5°.

Calculate the total active, reactive and apparent power at the busbar.
Calculate the combined cosφ at the busbar.

A third balanced load is connected to the busbar.The total power at the busbar is now 288kW, cosφ = 0,87 (inductive).

Calculate the complex current in the busbar.

Also a capacitor bank (in Δ) will be installed to the busbar to change the cosφ to 1.

Calculate the necessary capacitor value per branch.

Please show process and computations with comments.

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Expert Solution

Manojponduru answered 2 months ago

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