All equipment is subject to wear and tear and will eventually reach the end of its useful life and need to be replaced. As equipment nears the end of its safe working life, its con... Read more
If the generator load is suddenly increased in one step from P1 to P2, and the mechanical input from the prime mover is also changed fromP1 to P2 to match with the load, the genera... Read more
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
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
High power generation is required on ships for cruise lines, tugs, tankers, and dredgers.The generator rating depends to a large degree on a fairly close assessment of peak power a... Read more
Find and Correct the Cause of Trouble After any electrical failure on ship has been corrected by Electrotechnical Officer (ETO), be sure to locate and correct the cause so the same... Read more
Much of the work performed by Electrotechnical Officers (E.T.O.) involves the repair and maintenance of electrical equipment and systems. To maintain such systems at peak performan... Read more
All the machinery onboard ship is a combination of mechanical and electrical systems. The modern day shipping is more reliable on automations and electronics whose knowledge and ma... Read more
Short circuit calculations are done to ensure that fault current in short circuits does not exceed breaker’s and other equipment’s maximum ratings. Under short circuit, the mechani... Read more
An engine room crew Electrician (ETO) was investigating problems with the fuel oil circulating pump at the circuit breaker board. The pump’s breaker was opened and he proceeded to... Read more
