Yacht design handbook by Massimo Gregori Grgic

Author:Massimo Gregori Grgic [Grgic, Massimo Gregori]
Language: eng
Format: epub
Tags: Yachting, Tablet
ISBN: 9788891722027
Publisher: Franco Angeli Edizioni
Published: 2015-04-07T22:00:00+00:00

9.6. The gen sets

The ship is similar to a small city which produces the electricity needed for its life. The choice of the electric generators (or gen sets) depends upon the energy balance, meaning the sum of the electrical absorption of motors, lights, refrigerators, air conditioning etcetera, in different conditions of use and various times of the day. In principle the designer needs to consider the following users:

•Deck systems: rudder machine, davits, capstans, windlasses;

•Navigation and safety systems: instruments, radar, gyrocompass, firefighting pumps, radio communication;

•Food service: dumb waiter, fridges, freezer;

•Comfort system: air conditioning and heating;

•Kitchen service;

•Cabins system: fresh water pumps; water maker, boiler, elevator;

•Lights system: inside lights, deck lights, emergency lights;

•Engine room service: blowers, bilge pumps, fuel pumps.

Vessels generally have more than one electric generator, depending from the needed power: they must also work in parallel. Let me remind that the parallel between more generators sums their power, which unit is kW/h. A small generator could be installed for night use: it should release just enough power to light the vessel and to run the air conditioning. Gen sets are enclosed by noise reducing boxes (see figure # 50).

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