HV Exit Exam • Set 4 Question 19 of 30
Under standard marine classification rules (e.g., IEC 60092-503), common marine high-voltage distribution networks are generally operated at voltages up to:
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Direct Answer
Option C: 11 kV to 15 kV
Marine HV systems normally operate at 3.3 kV, 6.6 kV, or 11 kV, with classification rules defining HV as nominal AC voltages exceeding 1,000 V up to 15 kV.
All Options
A
3.3 kV
B
6.6 kV
C
11 kV to 15 kV
(Correct Answer)
D
33 kV
Detailed Explanation & Context
Marine HV systems normally operate at 3.3 kV, 6.6 kV, or 11 kV, with classification rules defining HV as nominal AC voltages exceeding 1,000 V up to 15 kV.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • High Voltage Safety Officer & Switchgear Operations (HV).
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