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Calculate power absorbed by 5 Ω load in 3-∅ 120° VSI if the value of DC supply is 16 V.

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Calculate power absorbed by 5 Ω load in 3-∅ 120° VSI if the value of DC supply is 16 V.

(a) 17.06 W

(b) 15.15 W

(c) 18.25 W

(d) 19.26 W

The question was posed to me in class test.

The origin of the question is Solid-State Switching Circuits in section Introduction to Solid-State Switching Circuits of Electric Drives

1 Answer

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The correct answer is (a) 17.06 W

Easiest explanation: The power absorbed by 5 Ω load in 3-∅ 120° VSI if the value of DC supply is 16 V is Vph^2÷R=(16÷√3)^2÷5=17.06 W.

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