Products

Holistic approach to ship energy efficiency management

Marorka Onboard

Driven by data

Marorka Onboard enables ocean vessel operators to optimize their fuel consumption by maximizing energy efficiency. Located on board the vessel, it equips you with energy system monitoring, electronic measurement logging, simulation-based decision support and extensive energy analysis.

The server handles input from more than 500 data sources. You can track and store values for consumption, speed, weather, draft and any available signal related to energy management.

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Upgradeable server solution

Marorka Onboard is a server based solution, consisting of data acquisition boxes and workstations.
Marorka server comes in selection of four sizes. This selection provides scalability and flexibility to the Marorka system covering the needs of having a simple performance system to a large scale holistic decision support system.

  • Marorka Maren Server Light
  • Marorka Maren Server Express
  • Marorka Maren Server Standard
  • Marorka Maren Server Enterprise

The hardware is selected to endure the harsh conditions aboard ships. We deliver Marorka Onboard with all the connectors and controllers needed to integrate with meters and networks.

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Robust infrastructure

Marorka Onboard provides core functionality that is extended with additional applications covering specific areas for energy efficiency improvements. Products can be selected on a case-by-case basis, thus maximizing return on investment.
If your ship is connected to the Internet, Marorka Onboard takes care of sending your data to Marorka Online.

  • Marorka workstations
  • Marorka SPM
  • Marorka Console
  • Marorka Desktop
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Data integrity

Reliable collection of accurate and detailed performance data is the foundation for improving a ship’s performance. Reliable data is essential to determine the current operating status and to monitor if progress is really being made in improving performance.

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All Marorka Onboard servers are delivered with the following applications

  • Data Collection Overview displays all signals collected by the system.
  • Marorka Reporting allows the crew to validate data that is not metered, such as the ship’s cargo.
  • Marorka State Manager allows data to be analysed with respect to different operational states by enabling registration of the periods of each state in which the ship is operating.
  • Marorka History is a powerful analytical tool for graphically trending and comparing real-time operational values over a period of time.

Applications

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Propulsion optimization

Propulsion optimization is designed to support the ship’s officers in reducing the shaft power required to move the ship through the water and in maximizing the utilization of fuel in the propulsion plant. Propulsion optimization is focused on the following tasks:

  • Avoiding inefficient use of the propulsion system by providing a clear picture of the energy efficiency of each component of the system.
  • Keeping hull resistance as low as possible by providing recommendations on optimal trim and by monitoring the efficiency of the hull./a>
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Navigation optimization

An energy efficient voyage itinerary can bring significant savings in fuel costs. Navigation optimization identifies speed profiles that result in minimized voyage costs for given routes, making voyage planning simpler and more economical. The simulations are based on weather and sea state forecasts. Navigation optimization is focused on the following tasks:

  • Planning the sea passage for optimal departure time, arrival time and speed profile based on external input and constraints.
  • Energy efficient voyage execution by continuously managing the speed of the ship during the sea passage to maximize energy efficiency.
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Machinery optimization

Machinery optimization identifies ways to improve the operation of all onboard machinery systems (excluding propulsion plant, which is covered in Propulsion optimization). Machinery optimization is focused on the following tasks:

  • Monitoring the efficiency of electricity production and consumption as well as the overall efficiency of the on-board electrical grid.
  • Improving the efficiency of electrical power production and consumption by managing generator loads and reducing unnecessary use of electricity.
  • Providing specialized analysis and advisory support for increasing the energy efficiency of individual systems such as waste heat recovery processes, cargo pumps and refrigeration.
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Fuel management

Fuel management provides an up-to-date reading of the remaining-on-board (ROB) status. It also generates emission reports andmaintains a consumption balance audit record between fuel added and actual measured consumption. Key features include:

  • Detailed tracking and reporting of fuel consumption broken down by fuel type, consumer and ship operational state.
  • Up-to-date electronic record of ROB inventories.
  • Consumption balance monitoring and registration of discrepancies between reported fuel additions and measured fuel consumption.
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Report management

Report management combines automatically logged operational data with manual entries on report forms when registering information about the ship’s performance and other operations. It reduces manual input and limits the errors that are inevitable while creating reports.

The information in submitted reports can then be used on board or sent to Marorka Online for further analysis.

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Data management

Quality control of logged data is performed before Marorka Onboard stores the data permanently in the platform database. The accuracy and precision of measurements are important factors to consider, and all the data used by Marorka Onboard to calculate the ship’s performance and energy management is quality checked. The Marorka Onboard platform has built-in features to detect missing values and to filter outliers and corrupted values.

Data management includes powerful analysis tools for graphically trending and comparing real-time operational values over a period of time, which will assist the crew in locating focus areas for improving energy efficiency and for saving fuel.

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