Class 4 (4th Engineer) MET 📅 Oct 2022

Exam Question

(a) Describe with the aid of a simple sketch the arrangement of the three phase winding of an alternator showing the neutral point. (6)

(b) Explain why for most ships the neutral point is insulated. (5)

Reference Answer

### Part (a): Alternator Winding Arrangement
**(6 Marks)**
A three-phase alternator generates three separate sinusoidal voltages of the same magnitude and frequency, but displaced from each other by 120 electrical degrees.
**1. Winding Construction & Placement:**

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