DNV study validates energy efficiency gains for DFE+ propulsion solution for LNGCs


Source: ABB

DNV has quantified the gains that owners of LNG carriers could expect to achieve using the new Dual Fuel, Electric+ (DFE+) solution developed by ABB and MAN Energy Solutions. Comprising MAN’s four-stroke 49/60DF dual fuel engine and ABB’s Dynamic AC power distribution and control system, the solution has been developed to overcome efficiency challenges that are specific to the vessel type.

DNV’s Maritime Advisory assessment concludes that the DFE+ concept is “a competitive and more energy efficient alternative to even the most efficient conventional dual-fuel LNG carrier propulsion designs.” Smaller machinery space requirements could deliver “a conservative estimate” of 5% greater cargo capacity. Combined with other steps to optimise performance, the DFE+ concept could contribute to overall energy savings of 6-7.5% considering the ship’s increased transport work, DNV says.

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