Exam Question
What is a marine High Voltage System? Sketch and describe a Ship board high voltage switch board and its protective devices (16)
Class 2 (2nd Engineer)
MET
📅 Mar 2018
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 .
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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