Power Transformation of Ship Domestic Sewage System
In response to the national call for energy conservation and pollution reduction,all ships berthing at the dock should try to con-nect to shore power and stop using ship diesel engines.This can reduce fuel consumption and smoke pollution generated by combustion,achieving the goal of energy conservation and emission reduction.Usually,the dock can only provide 0-440 V shore power supply voltage,but some ships use 690V voltage for the vacuum toilet system of the domestic sewage system during shipbuilding,which makes it impossible for ships to use vacuum toilets when connecting to shore power,resulting in inconvenience for crew members and directly leading to ships not having the conditions to connect to shore power.
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