Maersk Vessel Gets Royston Enginei System

By Eric Haun
Tuesday, June 24, 2014
Maersk Logger AHTV (Photo: Royston)

The Maersk Logger, AHTV (Anchor Handling Tug Supply Vessel) has been fitted with a Royston Enginei system to monitor fuel consumption during all phases of its operation. The 90-meter ship was built in 2009 under the Clean Design Class Notation, and since the vessel’s charterer is also the fuel owner they wanted a system for the continuous monitoring of its bunker consumption. This has now been installed and in future the Enginei system will enable the ship’s environmental impact and fuel consumption to be monitored more closely by the crew and by technical staff ashore. By gaining a detailed understanding of how fuel consumption changes according to how the ship is being worked, fuel economies can be achieved by modifying patterns of engine use, Royston said.

The Enginei system is linked to existing fuel flow meters that monitor the fuel being consumed by each of the Maersk Logger’s four MAK 9M32C main engines. With additional meters fitted on the auxiliary engines the system is able to provide a complete picture of how much and in what way fuel is being consumed by the ship. This information is presented on two separate touch screen displays located fore and aft on the bridge and on the ship’s PC in the engine control room. This information is also relayed ashore where technical staff can view the same information as well as a route projection on a Google Earth display that tracks the vessel’s movements and creates an easily interpreted graphic presentation of fuel consumption at all points along it. This permits a more detailed analysis of the engines’ use while also influencing management decisions taken and instructions given which can have as much bearing upon a ship’s fuel economy as the master’s choice of engine power.

The bespoke software was developed by Royston for the Maersk Logger’s Enginei system so that personnel both on the vessel and ashore can log how much fuel is being consumed in each of its operating modes. These have been defined as Dynamic Positioning, Standby, Transit and Anchor Handling which all have distinctive engine use characteristics. The ship’s operators, Maersk Supply Service, now have a complete and accurate picture of fuel consumption in all of the Maersk Logger’s operating modes and the master can use this information to optimise fuel consumption, especially while in DP mode when altering position depending on the weather conditions can have a significant impact.

The bridge displays enable the master to see how efficiently the engines are being used so he can make any adjustments that he considers appropriate. The presentation shows the options available for running the engines more economically and with reduced CO2 output which can be a vital component of a ship’s required Ship Energy Efficiency Management Plan (SEEMP).

maersksupplyservice.com

enginei.co.uk

royston.co.uk
 

  • Photo: Royston

    Photo: Royston

  • Photo: Royston

    Photo: Royston

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