SEES VFD Ship Energy Efficiency System

SELMA SEES Ship Energy Efficiency System VFD is based on the intervention of auxiliary machinery with development and installation of VFD Variable Frequency Drives.

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SELMA SEES Ship Energy Efficiency System is the world’s first type approved system by American Bureau of Shipping (ABS) implementing innovative management control of auxiliary machinery.

SELMA SEES Ship Energy Efficiency System is a PLC/SCADA platform interfaced with the appropriate sensors and transducers installed on existing engine room plant machinery.

SELMA SEES Ship Energy Efficiency System is a PLC/SCADA platform interfaced with the appropriate sensors and transducers installed on existing engine room plant machinery.

 

SELMA SEES is using advanced control algorithms and procedures to optimise the performance of auxiliary machinery according to the dynamically calculated ideal level of operation.

Ship Energy Efficiency System VFD Variable Frequency Drives Energy Saving

SELMA SEES Ship Energy Efficiency System implementation increases the energy efficiency of the vessel and as a result reduces the operational fuel costs of the vessel.

Ship Energy Efficiency System VFD Variable Frequency Drives Electric Switchboards

SELMA specialized engineers review the existing auxiliary machinery and perform an expertise study of specific intervention with VFD (Variable Frequency Drives) on the power plant in order to implement the SEES installation during drydock or even during seagoing condition without affecting ship operation.

Ship Energy Efficiency System VFD Variable Frequency Drives Starters

SEES Reduces Fuel Consumption

SEES is a promising method/application in order to reduce a vessel’s fuel consumption by optimizing its power balance and in parallel by adapting the operation of the actual power requirements.

SEES Improves Energy Efficiency

A widely adopted practice onboard a modern vessel is the operation of its Main Engine (M/E) by slow at speeds lower than its specified MCR (Maximum Capacity Ratio). A side effect of this technique is the operation of the vessel’s Diesel Generators with increased SFOC (Specific Fuel Oil Consumption), especially during sea going operation, since Engine Room Motors operation are not compliant with the original load balance study and PMS settings.

As a result of slow steaming practice, the requirements of M/E and auxiliary machinery regarding combustion air and cooling water flow are much lower when compared to capacities required at maximum MCR.

Ship Energy Efficiency System VFD Variable Frequency Drives Control
Ship Energy Efficiency System VFD Variable Frequency Drives CSWPP
Ship Energy Efficiency System VFD Variable Frequency Drives

SEES Improves Power Balance

SEES is a unique system based on advanced control techniques in order to improve E/R Power balance and reduce D/G Fuel Consumption.

SEES Improves Vessel’s Operating Profile

SEES, as an energy saving solution, is based on the air balance and heat dissipation calculations for slow steaming M/E operation, according to each vessel’s unique operating profile. The parameter adjustment for the control algorithm depends on both performance and safety requirements.

Ship Energy Efficiency System Variable Frequency Drives Ventilation Fans
Ship Energy Efficiency System Variable Frequency Drives Sea Water Pumps

SEES Improves Emission Reduction

SEES onboard measurements presented considerable energy and fuel savings, as well as impressive mitigation of emission factors (CO2/SO2/NOx), while power balance improvement allows the use of only one D/G in sea going operation, resulting in additional performance boost.

SEES Energy Saving Algorithm

VFD Control algorithm improves system dynamics regardless of the controlled plant as per ship particulars, ensuring safety and reliability.

Ship Energy Efficiency System Variable Frequency Drives COPT Condenser

Power balance is improved; leading to significant economic and operational benefits as well as emission factor reduction is achieved, verifying that the vessel can be greatly benefited by the proposed energy efficiency upgrade.

SEES VFD Ship Energy Efficiency System

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