Developing of Emergency Safety Device Module under Vessel Integrated Automation System for Dual Fuel Diesel Engine

Using gas as a fuel of the ship's main engines give challenges in term of efficiency, fuel prices, low emission, and safety behavior. Gas characteristics need particular attention due to higher flammable, explosive, and hazard gas leakages. Adopting gas as fuel onboard a ship insists on a higher level of safety as guided by the IGF Code. Conventional safety devices installed in the conventional diesel engines only aware of its combustion sensors. This study intended to develop a new PLC module that is capable of an automatic stop of the dual fuel diesel engine under any programmable emergencies. The developed module is integrated under the Vessel Integrated Automation System. The logical program manages the system to assure the continuous fuel service and stop the system when pre-defined hazards happened. Hazards are predicted from excessive pressure and temperature, flow rate, and gas leakages. The module in a form of software and hardware will be built using industrial tools.