The fuse is a piece of wire which can carry a stated current; if the current rises above this value it will melt. If the fuse melts (blows) then there is an open circuit and no cur... Read more
If the current lags the voltage by 90° as shown in a pure inductor—the instantaneous power shown by the heavy curve is positive in the first ½cycle and negative in the second ½ cyc... Read more
ABS – American Bureau of ShippingIEC – International ElectrocommissionIEEE – Institute of Electrical and Electronics EngineersNEC – National Electrical Code... Read more
Electric power generation based on rotating prime movers and electric generators, is a mature technology, but there is continuously being evaluated alternatives to the traditional... Read more
It is not likely that there will be a dramatic shift in technology in electric power distribution for AC systems. A gradually introduction of new protection relays, programmable an... Read more
Sometimes referred to as an electrician, ETO’s are generally employed on ship or yacht, where the engineering staff comprises of roughly four or five employees. If there is no desi... Read more
An ETO (Electro Technical Officer) is part of the engineering department on a ship or yacht, employed to look after all electrical and electronic equipment and systems on board.... Read more
Once in a while you may read or hear of a ship “breaking her back” while laboring in a heavy sea, or through suffering structural damage in running aground, or perhaps in a collisi... Read more
If one phase is short-circuited to ground, there will flow a ground fault current. Its magnitude depends heavily onthe method of system grounding, which are: UngroundedGround fault... 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
