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A star connected capacitor bank is connected to the induction motor having capacitance C and VA rating as VAs. If the capacitor bank is replaced by a delta bank then?

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A star connected capacitor bank is connected to the induction motor having capacitance C and VA rating as VAs. If the capacitor bank is replaced by a delta bank then?

(a) C = C/3, VA = VAs

(b) C = 3C, VA = VAs

(c) C = C, VA = VAs/3

(d) C = C/3, VA = VAs/3

I have been asked this question in homework.

Question is from Equivalent Circuit topic in division Induction Machines of Electrical Machines

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Right option is (a) C = C/3, VA = VAs

Explanation: The VA rating will not change due the configuration, but the capacitance will change due to the delta configuration to C/3.

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