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Vp is leading in phase, while Vs is lagging in phase.

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in Electrical Measurements by (148k points)
Vp is leading in phase, while Vs is lagging in phase.

(a) True

(b) False

The question was posed to me in exam.

This intriguing question comes from Characteristics of Potential Transformers topic in division Extension of Instrument Ranges of Electrical Measurements

1 Answer

+2 votes
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Best answer
Correct option is (a) True

Easy explanation: As the secondary burden is increased, winding voltage drop increases. Voltage Vp is leading in phase while Vs is lagging in phase. As a result the phase angle increases with the secondary burden.

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