As circuit design becomes increasingly complex and high-speed, how to ensure the integrity of various signals (especially high-speed signals), that is, to ensure signal quality,has... Read more
What are some general safety tips for working with or near electricity? Inspect portable cord-and-plug connected equipment, extension cords, power bars, and electrical fittings for... Read more
The main advantages low-impedance ship’s grounded systems are: No special attention for equipment insulation required – Automatic detection and immediate isolation of ground... Read more
The main advantages of Insulated neutral ship’s system are: – Continuity of service on a ground fault – Ground fault currents can be kept low The main disadvant... Read more
Ever since AC generation and distribution has been introduced on a large scale on ships around 1950, there has been debate about the type of distribution system. The main focus wit... Read more
Periodic operation of a ship at sea (coastal, restricted or unrestricted service) under the supervision of a single watch-keeper on the bridge is becoming normal practice. Similar... Read more
Manned engine-rooms are rare nowadays. Modern automation systems such as remote control and alarm and monitoring systems make it possible to operate most engine-rooms unmanned, at... Read more
The performance of electric lamps will deteriorate with time. Eventually they fail and the lamps must be replaced. Simple lamp replacement becomes the most obvious maintenance task... Read more
The inductive voltage regulator is a sort of an electric machine where the output voltage may be different from zero to a particular maximum value depending on the proportion of tu... Read more
As you will have gathered, maintenance of cage-rotor induction motors tends to mainly involve the stator windings and bearings. Cage-rotors require little or no special care in nor... Read more
