Onboard DC Power Grids

By Keith Henderson at March 01, 2012 07:41
Filed Under: Company News
Norwegian ship owner Myklebusthaug Management has placed an order with ABB for the supply of a direct current (DC) power grid on board a new 5,000 ton multi-purpose oil field supply and construction vessel of 305 ft, due for delivery in the first quarter of 2013. Using a DC grid offers several advantages including lower installed power thereby reducing fuel bills while producing up to 20 per cent less emissions. The reduction of the space and a weight of transformers leaves more available volume for a larger payload. The total weight saving of electrical equipment alone can be as high as 30 per cent. Many higher efficiency energy source options coming in the future such as solar panels, fuel cells, batteries etc., will be easy to connect and integrate into an onboard DC grid. Depending on the ship’s usage profile, ABB claims that up to 20% fuel savings can be achieved using a DC grid.. [More]

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