A three-phase star connected load consumes 600 W from a three-phase balanced supply. If the load is now re-connected in delta and fed from the same supply, the power consumption will be,
600 W
200 W
1.8 kW
None of the above
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Given : A three-phase star connected load consumes 600 W from a three-phase balanced supply.
load is now re-connected in delta and fed from the same supply,
To Find : the power consumption
600 W
200 W
1.8 kW
None of the above
Solution:
Power consumed by three identical phase loads connected in delta is equal to three times power consumed when phase loads are connected in star.
three-phase star connected load consumes 600 W from a three-phase balanced supply.
Hence three-phase Delta connected load consumes 3 x 600 W = 1800 W from a three-phase balanced supply.
1800 W = 1.8 kW
Correct answer would be 1.8 kW
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