Physics · Three-Phase AC Systems
Which of the following statements regarding star and delta connections in three-phase systems is NOT true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1For the same generated line voltage, a star-connected alternator requires less phase-insulation than a delta-connected alternator.
- 2A star-connected alternator will require a greater number of turns per phase than a delta-connected alternator for the same line voltage output.✓
- 3Most industrial 3-phase induction motors are delta-connected during normal running conditions.
- 4A delta connection is highly suitable for the AC side of rotary converters.
Correct answer
A star-connected alternator will require a greater number of turns per phase than a delta-connected alternator for the same line voltage output.
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