Electrical Engineering · Transformers
When is a delta-star (Δ-Y) connection primarily used in power transformers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1In a step-up transformer at the beginning (generating station) of a transmission line✓
- 2In a step-up transformer at the substation end of a transmission line
- 3In a step-down transformer at the beginning of a transmission line
- 4In a step-down transformer at the substation end of a transmission line
Correct answer
In a step-up transformer at the beginning (generating station) of a transmission line
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