Transcription of The ship’s electrical network, engine control and …
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The ship’s electrical network, engine control and …
electrical power in ships is usually produced by a synchronousgenerator. Given the essential nature of electrical poweronboard ship , several means are used to assure its continuousavailability. The main switchboard is divided into two or moresections. Also necessary are a switchboard supplied by anemergency generator as well as an uninterrupted (batterysecured) power supply (Figs. 2 and 3), both for reasons of safetyand to ensure the electrical networkThe first step is to define the ship type. It goes without saying thatthe vessel s size and purpose are key factors when dimensioning theship s electrical network. The following illustrate the differingelectrical needs of different types of ship :nCargo handling equipment plays a dominant role incontainerships, and defines the special power requirementcharacteristics of the electrical networknIn tankers, cargo pumps and possibly compressors are significantfactorsnIn passenger ships large electricity consumers are airconditioning, the galley equipment, stage equipment andlighting (also called hotel load) and the transverse thrusters formanoeuvring in portnIn ships with electric propulsion, the propulsion machineryitself is the dominating the choice of propulsion machinery and the classificationregulations have an impact on the design of the electrical rules of SOLAS (International Conventio)
Load sharing and frequency control See diesel engine speed control. Load increase control During a normal start, when the engine is preheated, the load
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