Ship reduction gearbox ACG 680 2sp

enginewith hydraulic clutch

The 2-speed reduction gearbox is a fully integrated solution to provide the option for two steps of different propeller speed in a diesel mechanical configuration. The system is ideal for vessels with variations in power requirements, such as Purse Seiners, Trawlers, AHTS, Seismic vessels, Mega Yachts and Rescue vessels. Designed for reduced fuel consumption in low rpm conditions Ideal for diesel mechanical configurations requiring power generation from the diesel engine to the main swithchboard during operation Ideal for hybrid configurations requiring boost, Power Take Home (PTH) and/or diesel electric drive on top of the diesel mechanical configuration Reduced propeller rpm - reduced energy consumption The graphs of Step1 and Step2 in the diagram show the direct effect of reducing the rpm using the 2-speed reduction gearbox. The configuration consists of a Main Engine (ME)and a generator in PTO-condition. By designing optimum power distribution to the propeller and utilising the remaining power to the PTO, there will be full utilisation of the available power from the Main Engine. In Step1 the Main Engine run the propeller via the main gear ratio. Simultaneously the Shaft Generator is driven via the PTO gear set. This mode is useful when the power demand for propeller is high and the electric prower production demand is low. In this condition the propeller is highly efficient provided it is optimised for this condition. In Step2 the Main Engine run the propeller via the PTO gear that further transmit the mechanical power over the PTI gear set -via the main gear ratio to the propeller