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Active Heave Compensation Winches - AHC
Active heave compensation winches filter out the effect of wave movement, allowing for more accurate data readings, increasing equipment safety and reducing weather-related down times. MacArtney’s active heave compensation systems prevent unwanted undulation or heavy sea movement causing sudden slack or pull on the cable, stressing the cable and making the equipment at the end of the umbilical unstable.
MacArtney’s engineering specialists use a unique, precise calculation programme that accurately predicts the behaviour of the ship and ROV in all sea states. Using a wide range of actual data on the vessel, MacArtney can offer an active heave compensation winch for any vessel type that can accurately position a vehicle in relation to surface, seabed or underwater installation even in heavy seas.
Maximum stability with minimum power
Electric powered winches are far more efficient and eliminate electric to hydraulic conversion loss. Their successful range of winches bypasses any need for hydraulics, ensuring optimal system function and efficiency.
They are also quieter than their hydraulic counterparts, making operating the machinery more comfortable for the crew on board. They are easier to service and there is no risk of oil pollution due to hydraulic oil leakage.
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