VSD Automation for Pumps & Fans Energy Saving Operation

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OptiSave automatically saves energy for pumps driving sea water or fresh water cooling systems, or powering engine room ventilation systems. It is available either in New Builds or as Retrofit configuration, each case, is fully integrated into the overall control system with very simple functionality. OptiSave monitors a variety of parameters, including sea water inlet/outlet temperature, pressure drop across coolers, electric motor heat levels, etc. in order to adjust the pump with the load requirement, within a safe envelope of operation, alwasy mainting redudancy. 

Key points, benefits of DESMI OptiSave:

  • Energy saving up to 80%

  • Short return on investment, usually in range of 10 – 18 months

  • Prolonged lifetime of pumps due to less wear and tear

  • Minimum changes in existing electrical installations

  • Proven technology & savings

  • Reduced OPEX

  • Worldwide service support 

DESMI OptiSave applies in below systems:

Seawater cooling systems

Fresh-water cooling systems

Engine room ventilation or any combinations of the above.

Large References & Experience from a wide range of applications 

Desmi OPTISAVE has a large reference list exceeding 300 vessels, covering both Retrofits & New Builds in various European & Asian yards. Vessels with OPTISAVE vary from small procuct tankers to VLCC's, large and small gas carriers, all size of dry cargo and from fishing vessels to large passenger ships. A good percentage refer to Greek shipowners including Tankers, LNG, Bulk carriers, Containers & Ro-Ro being ordered either, as New Buildings or as Retrofits.