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Cable winches used for the supply of for instance an underwater ROV. The cable winches are electrically driven, usually by several electro-motors on a common gear rim. ASME A/S has developed a unique method for securing a perfect load distribution between the individual motors. Winches are frequently supplied with active heave compensation, as ROV’s are usually parked in a garage or connected to a TMS under the water, and hence it is important that it is kept still in the water column, before connecting the ROV and the TMS. (See video on Active Heave Compensation) |