In a previous post about VFD, we have described some common know facts. What are they, what elements are they consist of and what are […]
How does the vessel move? RT-Flex! Part.3
In a previous article, I present in main scope, the most popular in marine use, the MAN ME engine. Today I would like to present […]
How does the vessel move? MAN ME Engines Part 2.
History of the development of MAN ME Engines In the previous article, I have described how propulsion systems developed from paddle and sail to diesel […]
How does the vessel move? Propulsion systems pt.1
History of sailing Development of propulsion… how we get to this place? In the history of shipping were different methods to move the vessels. The […]
Variable Frequency Drives Onboard
Variable Frequency Drive – what is VFD? Variable Frequency Drives (VFD) are not exactly a soft start. They obtain this function, but they have a […]
Soft-Starters in practice.
As I explain in the previous article direct online starting of large AC motors can cost some difficulties for the motor and equipment. Uncontrolled starting […]
Star-Delta, soft-start, VFD… How to make the smooth start of e-motor?
Different methods of soft-start There are several methods to soft-start electrical motors. In this series of articles, I will describe the most popular solutions. First, […]
How to produce Freshwater at sea pt.2
Reversed osmosis unit in freshwater production Reversed osmosis units are the second most common method to produce fresh water on board the vessel. The first […]
How to produce fresh water at sea pt.1
History of freshwater production Problem with water in the ocean? Sounds a little bit strange. However, in former times this was a really serious problem. […]
Fire protection systems onboard pt.3
In the first two chapters (Part 1 is here!, and Part 2 is here!) I have described fire detection systems combined with alarm systems. With […]