5.2 Main source of electrical power
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Statutory Documents - IMO Publications and Documents - International Codes - 1989 MODU Code – Code for the Construction and Equipment of Mobile Offshore Drilling Units, 1989 – Resolution A.649(16) - Chapter 5 – Electrical Installations for all Types of Units - 5.2 Main source of electrical power

5.2 Main source of electrical power

  5.2.1 Every unit should be provided with a main source of electrical power which should include at least two generating sets.

  5.2.2 The power of these sets should be such that it is still possible to ensure the functioning of the services referred to in 5.1.1.1, except for services referred to in 1.3.17.2, in the event of anyone of these generating sets being stopped.

  5.2.3 Where transformers or converters constitute an essential part of the supply system, the system should be so arranged as to ensure the same continuity of the supply as stated in 5.2.2.

  5.2.4 A main electrical lighting system which should, provide illumination throughout those parts of the unit normally accessible to and used by personnel should be supplied from the main source of power.

  5.2.5 The arrangement of the main lighting system should be such that a fire or other casualty in the space or spaces containing the main source of power, including transformers or converters, if any, will not render the emergency lighting system required by 5.3 inoperative.

  5.2.6 The arrangement of the emergency lighting system should be such that a fire or other casualty in the space or spaces containing the emergency source of power, including transformers or converters, if any, will not render the main lighting system required by this section inoperative.

Parent topic: Chapter 5 – Electrical Installations for all Types of Units
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