Scalar Control of VFD 87Hz Characteristic described with a practical example of a situation where can be used.
High Voltage Safety Rules!
Our info-graphic about High Voltage safety rules on board! Safety at sea is the most important. You can find our articles about fire protection systems […]
Hybrid shipping solutions!
All the shipping world is living the Ever Giver at the moment. We are not sure yet, what was happened. However, I don’t believe in […]
What is Scalar Control of VFD?
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, […]