Primary Essential Services are those which need to be in continuous operation for maintaining propulsion and steering. Some of them are as follows: 1) Steering gears. 2) Pumps for... Read more
The control circuit is derived directly from the ship power circuit. The control circuit provides power to the timers, relays, switches and other components: necessary to control t... Read more
A wiring diagram shows the detailed wiring and connections between components or items of equipment and in some cases the routing of these connections. It also shows the approximat... Read more
A system diagram shows the main features of a system and its bounds, without necessarily showing cause-to-effect. Its main use is to illustrate the ways of operating the system. De... Read more
A block diagram shows in simplified form, the main inter-relationships of the elements in a system, and how the system works or may be operated. Such diagrams are often used to dep... Read more
A line diagram is constructed to show the basic operation of the electrical control circuit and explain the process, in a logical order, of the electrical sequence of events... Read more
Ship diagrams are used to accurately portray the electrical system. Over the years, many techniques have been used to simplify the diagram for the reader. These attempts oft... Read more
A vessel may have a number of generating sets, a split bus bar and a variable load. Since the advent of UMS classification, automatic control has become common to ensure con... Read more
Usually electrical systems ashore are seldom operated at constant load, day and night and also for long periods. In the shore-based industry there are peak loads and off-peak loads... Read more
Don’t learn from the butterfly fluttering aimlessly from flower to flower in a garden. Think and work in logical order and literally follow the direction of the current whether tal... Read more
