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Choose the correct relationship in Star connection with the positive sequence.

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in Electric Drives by (99.8k points)
Choose the correct relationship in Star connection with the positive sequence.

(a) VL=Vp

(b) VL=√3Vp

(c) VL=√2Vp

(d) IL=√3Ip

This question was posed to me during a job interview.

My doubt is from Power Rating Determination of Electric Motors for Different Applications topic in portion Rating and Heating of Motors of Electric Drives

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The correct choice is (b) VL=√3Vp

The best explanation: In the star connection line current is the same as the phase current. The line voltage is √3 times of the phase voltage and leads by 30°.

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