Energy-efficient offshore subsea construction vessel cranes unveiled

In today’s offshore crane market, there is a growing focus on lifts from one vessel to another. To address this need, Huisman has introduced a new feature: relative heave compensation. This innovation allows for compensation not only for the motion of the crane vessel but also for the motion of the other supply vessel.

Motion detection for the supply vessel is achieved through a remote motion reference unit, which transmits the signal wirelessly to the Huisman offshore crane. This setup has already been integrated into several offshore cranes and is also available as a retrofit upgrade for existing Huisman cranes.

For sizes of 400 tonnes and beyond, Huisman has a portfolio of full electric hybrid boom cranes available, including subsea crane models delivered with a capacity of 1,000 tonnes.

This series of cranes is optimised for high reliability, easy maintenance and short delivery times from Huisman’s facilities in both Europe and Asia.

“With the update of our subsea knuckle boom crane series, we responded to the market need for technical improvements on existing products,” said Huisman product director for cranes Cees van Veluw.

“Vessel owners have more interest in aiming for zero emissions on their newbuild vessels,” he added. “Battery banks on vessels are not only used for spinning reserve anymore, but can serve multiple roles on the vessel, all focused on using the energy more efficiently.”

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