Marine Link
Tuesday, October 25, 2016

ABB Onboard DC Grid Granted AIP from ABS

January 27, 2014

Approval in principle confirms Onboard DC Grid’s suitability for marine application. The new system supports the growth of electrical propulsion systems onboard ships.

ABB (ABB), a power and automation technology group, was granted Approval in Principal (AIP) for the Onboard DCGrid power distribution system by classification society American Bureau of Shipping (ABS).

To be granted the AIP, the Onboard DC Grid was subject to a series of risk assessment techniques to determine if the concept provides acceptable levels of safety in line with current marine industry practice, requirements and standards. The AIP now granted by ABS is a strong tool to support and streamline the design, approval, execution and inspection of new projects. Therefore, the benefits are extended to all parties involved on the shipbuilding process: designers, shipowners, shipyards and classification society.

“The implications and importance of AIP put ABB in a particularly advantageous position in the global marine market for the Onboard DC Grid solution. Our clients can feel comfortable that the solution can be applied to their next project and the basic concept acceptance and the clear path toward final classification approval for construction has been obtained. They become competitive now and will remain so for the next 20 years and beyond,” said Heikki Soljama, head of ABB’s Marine and Cranes Business Unit.

Both organizations acknowledge the fast growing importance of electrical systems on board ships, in particular electrical propulsion, and emphasize attention on the solutions addressed to the marine industry, sustain a recognized level of quality in terms of design, safety, reliability, environmental impact and efficiency.

With Onboard DC Grid, ABB has created one of the most flexible marine power and propulsion systems ever brought to market. The system allows generators to operate at variable speed which in turn offers up to 20% fuel savings over a conventional plant with significant space savings potential, improved dynamic response and reduced emissions. In addition, ABB’s solution enables supplementary DC energy sources including solar panels, fuel cells or batteries to be plugged directly into the ship's DC electrical systems, creating scope for further fuel savings.

Platform Support Vessel (PSV) Dina Star, delivered to Norwegian offshore owner Myklebusthaug Offshore by Kleven Yard in [April 2013], is the first powered with ABB’s full Onboard DC grid system to provide fuel efficiency and lower emissions. Dina Star with its Onboard DC Grid technology was nominated for the 2013 Energy Efficiency award at Nor-shipping.


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