Circuit breakers require careful inspection and cleaning at least once a year. Before working on circuit breakers, check the applicable technical manual carefully. Before working o... Read more
To properly understand how these different grounds fit into the vessel’s electrical system, the word “ground” must be understood as it was originally used. Decade... Read more
The distribution system is an extension of the generator. All electrical loads are connected in parallel with the generator terminals through connection points (nodes) at the switc... Read more
Lockout/tagout energy sources When electrical systems are de-energized to perform maintenance work safely, precautions must be taken to insure that circuits are not accidentally tu... Read more
When ship electrical equipment is regularly monitored and tested. Then monitoring indicates that a breakdown is imminent, the equipment is repaired or replaced and any other specif... Read more
When equipment is regularly inspected and maintained according to a manufacturer’s timetable and described procedures that specify the actual work to be done to prevent equipment f... Read more
The induction motor has been a reliable workhorse of the industry ever since it was invented by Nikola Tesla in 1888. It is the most widely used motor because of its simple, brushl... Read more
As per Equation, increasing the field current If increases Ef . One can visualize that higher (longer) Ef in turn increases the terminal voltage VT or the power factor angle θ, inc... Read more
Hybrid is a new technology, mostly in early development. In recent years, there’s been a significant increase in battery technology and innovation, particularly in the lithium-type... Read more
Nearly all electrical power in the world is generated by the 3-phase synchronous generator, which is also known as the ac generator or the alternator. Stator of ship ac generator I... Read more
