Question: A small shopping center contains three stores that represent three balanced three-phase loads. The power lines to the shopping center represent a three-phase source with

A small shopping center contains three stores that represent three balanced three-phase loads. The power lines to the shopping center represent a three-phase source with a line voltage of 13.8 kV rms. The three loads are:
Load 1: 500 kVA at 0.8 pf lagging
Load 2: 400 kVA at 0.85 pf lagging
Load 3: 300 kVA at 0.90 pf lagging
Find the magnitude of the power line current.

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