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Three phase delta circuit

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A 2400V balanced, three phase delta circuit (see attached) has phase load impedances of 40+j60 OHMS. What are IaA, IbB, and IcC?

Note: That just as the current IaA shown on the attached, is the current flowing from node a to node A, the current IbB is the current flowing from node b to node B, and the current IcC is the current flowing from node c to node C.

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