Cleaner power for ships and ports

The VACON® NXP Grid Converter is an alternative source of marine power technology that plays a key role in reducing fuel intake and improving efficiency. It can be applied to power generation for ship engines and harbor power supplies to meet the demands of governments and port authorities.

When used with a shore-supply solution, VACON NXP Grid Converter allows electrical power to be sourced from the local grid via a set of cables, rather than the ship’s main engine or generators. This process, sometimes known as ‘cold ironing’, has a significantly positive impact on fuel economy. It causes reductions in CO2, NOx and SOx emissions, as well as noise and vibration levels.

VACON NXP Grid Converter can also be applied to shaft-generator solutions, ensuring that propulsion machinery is able to operate at various speeds. The shaft generator decouples shaft RPMs from the electricity (frequency) which allows better electrical quality and improved fuel economy. Additionally, power can either be taken from or entered into the propeller shaft. This is particularly useful for ships that often alternate their speeds as it creates fuel savings and minimizes exhaust emissions by up to 15%. It also creates an emergency mode meaning that the vessel can operate even if the main engine fails.

Supply voltages and power range

Air cooled:

  • 3 x 380-500 V...180-1100 kW
  • 3 x 525-690 V...200-1200 kW

Liquid cooled:

  • 3 x 400-500 V...160-1800 kW
  • 3 x 525-690 V...210-1800 kW

Features and benefits

Reduced fuel consumption as electrical power can be sourced from the grid

Lower CO2, NOx and SOx emissions as the main engine can be shut down

Conforms to ABS and DNV standards

Improved energy efficiency as engine speed can be optimized

Liquid and air cooled solutions available

Documents

Type Name Language Valid for Updated Download File type
Case story - AE Astrid_Helene English Multiple 20 Mar, 2019 439.1 KB PDF
Fact sheet - AM DrivePro® Coverage English (US) Multiple 13 Jul, 2017 322.4 KB PDF
Fact sheet - AM DrivePro® Remote Monitoring English Multiple 12 Feb, 2018 769.6 KB PDF
Fact sheet - AM Hybridization English Multiple 17 Mar, 2017 1.6 MB PDF
Certificate - BG ISO 9001 Drives BV 500F1065en English Multiple 01 Jan, 2019 278.5 KB PDF
Brochure - AD Marine - Certified for plain sailing English (US) Multiple 29 May, 2018 9.1 MB PDF
Installation guide - AN NX DC Fan Retrofit Kit with ext supply English Multiple 23 May, 2017 9.9 MB PDF
Brochure - AD Product Overview English Multiple 20 Mar, 2019 1.7 MB PDF
Design guide - AJ VACON Hybridization Design Guide English Multiple 13 Jan, 2017 3.8 MB PDF
User Guide Vacon NX Brake Resistor User Manual English Multiple 09 Dec, 2016 4.2 MB PDF
Installation guide - AN Vacon NX Door Keypad Mounting Instr. English Multiple 07 Jul, 2014 566.5 KB PDF
User Guide Vacon NX Filters User Manual English Multiple 25 May, 2016 3.6 MB PDF
Application guide - AB Vacon NXP Grid Converter Application Man English Multiple 06 Apr, 2016 1.1 MB PDF
Brochure - AD VACON NXP Grid Converter Selection Guide English (US) Multiple 12 May, 2016 860.4 KB PDF
Brochure - AD VACON NXP Grid Converter Selection Guide English Multiple 01 Mar, 2016 639.2 KB PDF
User Guide Vacon NXP OPT-D7 User Manual English Multiple 31 Jan, 2017 892.9 KB PDF
Fact sheet - AM VACON® Advanced Safety Options English Multiple 24 Mar, 2017 415.8 KB PDF

Software

Type Name Language Updated Version Status Download File type

Related applications

Shaft generators and shore-supply systems.

  • Drives for marine power conversion and generation
    Drives for marine power conversion and generation

    Draw upon expertise from Danfoss to optimize energy storage solutions on board vessels, and shore power supplies for quieter and cleaner harbors.

Case studies

  • VACON® drives power hybrid ferries 24/7
    VACON® drives power hybrid ferries 24/7

    Passenger ferries bridge Amsterdam’s IJ River, keeping the city connected around the clock. Hybrid propulsion powered by VACON® drives ensures 24/7 uptime, smaller generator size, better air quality, less noise and easy maneuverability of the vessels.

  • VACON® drives provides quiet and clean river cruising
    VACON® drives provides quiet and clean river cruising

    In 2009, Viking River Cruises commissioned the MV Viking Legend, the world’s first river cruiser with an energy and drive system based on a highly efficient DC bus. Since then they have built up a fleet of more than 50 hybrid ships.

  •  Higher energy efficiency for Ro-Pax vessels
    Higher energy efficiency for Ro-Pax vessels

    Attica Group use VACON® generator and grid converters as part of a sophisticated and energy-efficient solution for energy production on its Ro-Pax vessels.

  • Reduced fuel consumption and emissions for M/V Bore Sea
    Reduced fuel consumption and emissions for M/V Bore Sea

    Main propulsion machinery optimized using VACON® AC-drive technology improves efficiency.

  • CCB Bergen saves 5,000 liters of diesel fuel daily
    CCB Bergen saves 5,000 liters of diesel fuel daily

    The shore power supply system using VACON® NXP drive modules also annually reduces CO2 and NOx emissions by nearly 5,000 tons.