ETO ETO Exam papers 📅 Mar 2023

Exam Question

In a ship's power system, the neutral on the low voltage side is not grounded, but it is mandatory to ground the neutral in high voltage systems. Discuss in detail for the above difference and with suitable sketches, explain the different earthing arrangements for HV system (16)

Reference Answer

Why Neutral is Not Grounded in LV Systems but Mandatory in HV Systems:
Earth Fault vs Short-Circuit Fault:
An earth fault occurs due to a single break in insulation .
A short-circuit fault occurs due to a double break in insulation , leading to phase-to-phase or phase-to-neutral contact.

Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.

View plans Browse library

← Browse more questions

Prepare on Android — MeoMock on Google Play