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Service -
AHC Conversion on vessel cranes

Offshore crane equipped with AHC system performing subsea lift

AHC Conversion on vessel cranes

Active Heave Compensation Crane Conversion

Upgrade Your Offshore Crane with Active Heave Compensation

Subsea lifting demands precision in dynamic sea states. Conbit’s AHC conversion service transforms your existing crane into a high-performance lifting system capable of compensating for vessel heave. This retrofit improves safety, reduces load impact, and expands operational weather windows—without the cost of a new crane.

Crane with AHC system installed

How AHC Conversion Works

Technical description: Active Heave Compensation integrates sensors, hydraulic or electric actuators, and control algorithms to counteract vessel motion. The system adjusts winch speed in real time, keeping the load stable relative to the seabed.

Step-by-step procedure:

o   1) Feasibility study (crane specs, winch type, power availability).

o   2) Engineering design (control system, sensors, integration with existing PLC).

o   3) Hardware installation (motion sensors, hydraulic/electric actuators, wiring).

o   4) Software configuration and algorithm tuning.

o   5) Factory Acceptance Test (FAT) and offshore commissioning.

Benefits: Increased lifting precision, reduced dynamic loads, extended operational limits, and compliance with offshore lifting standards.

Conbit can assist: We deliver turnkey AHC retrofits, including design, installation, and commissioning worldwide.

Ready to proceed? Share crane details—make/model, winch type, available power, and operational requirements. Our engineers will provide a tailored AHC conversion plan. Contact us for other crane upgrade services globally.

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We're here to answer your questions

Do you have any technical questions, general enquiries or do you need additional information? Don’t hesitate to contact our experts. With their expertise and experience in lifting services, they will gladly help you.

You can contact us by phone or email. We’re looking forward to your questions!