Physics · Electrical Machines
The high voltage winding of a 3-phase transformer was initially designed in delta. When the design is changed to star while keeping the power rating and line voltage parameters constant, which of the following statements is WRONG?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Number of turns per phase decreases
- 2Winding resistance increases✓
- 3Winding conductor cross-section increases
- 4Winding insulation requirement decreases
Correct answer
Winding resistance increases
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