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ETO ETO Exam papers 📅 Jul 2023

Exam Question

What is a marine High Voltage System? Sketch and describe a Shipboard high voltage switch board and its protective devices. (16)

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Reference Answer

Marine high voltage systems are classified based on voltage levels:
AC Systems : High voltage is classified as any voltage above 1000 volts (1 kV) .
DC Systems : High voltage classification starts at 1500 volts (1.5 kV) .
Typical marine high-voltage systems operate at standard levels such as 3.3 kV , 6.6 kV , and 11 kV .

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