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1 Journal of Polish CIMAC

1 2012

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Statistic determination of main propulsion power and total power on board electric power station on anchor handling tug supply vessels AHTS servicing oil rigs

Górski Z., Giernalczyk M.

Journal of Polish CIMAC

2012

Vol. 7, no 1

16-18

The paper presents statistic method of preliminary determination of main propulsion power and total power of onboard electric power station for AHTS (Anchor Handling Tug Supply Vessel) type ships servicing oil rigs. At the beginning a characteristic and classification of AHTS vessels was presented. Also analysis of AHTS main propulsion plants and onboard electric power station was executed. Conventional and diesel-electric propulsion plants were taken into consideration as well as propulsion plants equipped with fixed pitch and controllable pitch propellers. Statistic methods elaborated in Marine Power Plants Department of Gdynia Maritime University make possible in quick and simple way to determine parameters of ship energetic system. Good accuracy of methods is confirmed by coefficients of regression determination and coefficients of correlation. Statistic methods also make possible to forecast the development trends in energetic systems construction of ships, which can be built in the future. Elaborated dependencies of main propulsion power and total power of onboard electric power station are not universal and should be determined separately for every type of ships. In this paper results concerning AHTS tugs servicing oil rigs are presented.