Offshore staff
KONGSBERG, Norway – Island Offshore has contracted Kongsberg Maritime to provide hybrid battery solutions for three UT 776 CD-design platform supply vessels.
The Island Crusader and Island Contender previously operated with a combination of Bergen LNG engines and Bergen Diesel engines, while the Island Commander relied on four diesels.
Previously, according to Kongsberg, PSVs typically ran multiple engines to ensure redundancy, but this impacted on fuel performance, equipment health, and emissions.
By combining conventional LNG or diesel engines with the company’s SAVe Energy battery system, validated, fewer engines need to be running, Kongsberg claimed.
This arrangement increases the load on the remaining engines while also delivering power on demand, an arrangement said to be more appropriate for low-load operations such as dynamic positioning.
In addition, fuel consumption and running costs are cut by converting the vessels to closed bus-tie operation.
Island Offshore’s chosen solution will operate via a single feed from the Energy Storage System (ESS) to the main switchboard, with a manual changeover to allow the operators to balance out running hours on generators, and a 600-kW dual shore connection.
Kongsberg’s 8-m (26-ft) ESS 896kWh deckhouse will house a standard, liquid-cooled container solution with air-cooled SAVe Energy batteries.
The company will also perform modifications to each vessel’s main switchboard and K-Power EMS energy management system, as well as upgrading the Acon automation and alarm system.
08/18/2020
