If a single earth fault occurs on the live line of an earthed ship distribution system it would be equivalent to a short-circuit fault across the generator through the ship’s... Read more
Generally, fault finding on ship is not an easy task. It is essential to have a good under-standing of the operation of the particular equipment and general insight into some of th... Read more
There are various types of diagram which attempt to show how an electrical Circuit operates on ship. Symbols are used to represent the various items of equipment. The shipbuilder p... Read more
An overview of a ship’s electrical system is presented and describes various types of circuit diagrams used in electrical work. Electrical calculations, safety precautions, c... Read more
While at anchor the vessel’s fire alarm sounded on one of the lower decks. The OOW sent the duty seaman down to investigate. The crew member found a deck-head fluorescent light rel... Read more
A bulk carrier was on a ballast passage and conducting ballast exchange operations when a large gate valve in the engine room on the ballast/bilge system failed, causing severe flo... Read more
Repetitive alarms occurred when crew performed steering tests to move the rudder through its range of motion. The alarms indicated a ‘hydraulic lock’ event, even though the steerin... Read more