If the rotor of a motor is held fixed (blocked from rotating), and the stator is allowed to rotate freely, the “stator” would rotate at the same speed that the rotor would have in... Read more
Intermittent Faults on ship electrical system When ships Electrical Engineer ETO need find and diagnose intermittent faults, where a short, open, or other problem occurs only tempo... Read more
All ship electrical machines have two sets of coils: one set (field coil in generator and motor, and primary coil in transformer) produces the working magnetic flux φ and the other... Read more
The ship simulator is built for education and training purposes can bea great tool in visualizing the overall ship systems including the electrical power system in one place. Ship... Read more
All electrical circuits on ships are required to be identified in applicable documents and on equipment labels, such as nameplates and cable tags, with a designation prefix.Some se... Read more
With two sides of an ABS-R2 power system in parallel, the ship would have no power if both sides have failed. For such a system, we multiply the unreliability (probability of failu... Read more
The power system is configured with equipment in series. In a long chain of equipment, system efficiency and reliability both suffer in the following way. System efficiency = Multi... Read more
Connecting the ship to the shore-side power source in-port with the ship’s machinery shut down. Availability of fast plug connections and seamless load transfer without blackout al... Read more
Engine starting system for the emergency generator. It typicallyincorporates two electrical lines and one hydraulic line. It has redundant engine starting capability to start and t... Read more
The widespread use of power electronics converters for pump and propulsion motor drives in ships has introduced power quality concerns. The power-frequency current and voltage chop... Read more
