A balanced delta connected load takes 20 KVA at 0.8 power factor when connected to a 415 v, 3 sigma system.Calculate the resistance of each branch of balanced star connected non reactive load which when connected to same supply coil takes the same power?
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Expert's answer
2019-08-22T09:23:51-0400
The active power per each phase (since the load is balanced, it means that all branches have the same impedance) can be calculated as
P=3Scosϕ.
With non-reactive load each phase of the star-connected load has power of
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