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Upgrade / Retrofit
UPGRADE AND EXTEND THE LIFETIME OF YOUR VESSEL
Extend your vessel and machinery’s lifetime, increase its efficiency, and optimise your current system with Brunvoll's experience and technical know-how in upgrades and retrofit solutions.
Increase efficiency
Improve your vessel’s efficiency by reblading your propellers.
Reduce
emissions
Explore Brunvoll's repower solutions and reduce your vessel’s emissions.
Reduce
costs
Cut operational costs by optimising the Brunvoll system to the actual service profile of your vessel.
Improve handling
Optimise your vessel’s load curve through an improved remote control system.
Challenge the extensive Brunvoll know-how and experience in complex upgrades and retrofit projects
Brunvoll boasts extensive know-how and experience in handling complex rebuilding and retrofit projects. Our in-house technical expertise can assist you in finding the best solution for your vessel, from mechanical, electrical, and hydrodynamic perspectives.
Brunvoll is continuously developing and refining its products to meet the latest environmental standards. We offer analysis of the fuel consumption of different system configurations for each particular vessel, and advise further actions to achieve the vessel’s optimum performance and economy.
Propulsion System Upgrade
Upgrade your propulsion system for increased efficiency
Brunvoll offers analysis of fuel consumption in different system configurations for the particular vessel, and advise what needs to be done to achieve the vessels' optimum performance and economy.
Conversion from diesel-mechanical to hybrid propulsion in single-screw installations
The module-based gearboxes from Brunvoll allows for conversions with low investment cost and easy installation. A conversion from diesel-mechanical to hybrid propulsion gives increased flexibility and efficiency by additional running modes.
Conversion
- Convert to combined shaft generator/electric motor
- Installation of engine release clutch for PTI and variable rpm
Benefits
- Low investment cost
- Easy installation
- Flexible running conditions in hybrid propulsion with possibilities for take-me-home, electric drive and boost modes
Savings
- Reduced fuel consumption
- Reduced maintenance cost by better utilisation of the main engines
- No crew training needed due to automated mode transfer
Conversion from diesel-mechanical to hybrid propulsion in twin-screw installations
Conversion to hybrid propulsion in a twin-screw system increase flexibility to the running conditions. Optimising the propulsion system for the exact operation profile of the vessel can give huge savings in fuel cost and better utilisation of the main engine due to the new hybrid configuration.
Conversion
- Convert to combined shaft generator/electric motor
- Conversion of PTO/PTI at gearbox without additional clutches
Benefits
- Reduced running hours/service intervals for main engines
- Reduced 0-pitch loss to a minimum
Savings
- Reduced maintenance cost
- Reduced fuel consumption
- Return of investment within one year, depending on the ships operation
Propeller upgrade
- By hydrodynamic expertise, advanced analysis and design tools, Brunvoll can optimise and redesign your vessel’s propellers.
- Upgrade and retrofit of propeller shaft seals and bearings to meet environmental standards.
- Redesign of propeller blades to improve efficiency, thus improving fuel consumption.
- Fishing vessels typically find propeller noise influences the catching of their fish, therefore a redesign can reduce noise and improve fishing capabilities.
- Increase bollard pull by upgrading the propeller nozzle design.
- Upgrade propeller in order to meet higher class requirements, including ice classes.
Gearbox overhauls and retrofits
- Brunvoll performs overhauls of gearboxes on-site or in our workshop.
- When repowering the vessel, increased power and change of RPM will affect the reduction gear. Brunvoll's technical expertise offers effective fuel analysis and advice on how to achieve optimum performance and economy.
- Brunvoll's module-based gearboxes easily adapt to new requirements for RPM and power distribution by several PTO/PTI configurations.
Control system upgrade
Upgrading or replacing old remote control systems can create considerable savings and prevent down-time.
Upgrade older versions of components to the latest technology to improve the reliability of your system.
New control systems can enhance advanced functionalities for more complex running modes, thus potentially having a positive effect on the vessel’s fuel consumption and utilisation of the main engine.
Reduce fuel consumption by optimising pitch and shaft speed.
