Case Studies

Shore Power Converters

M/Y Limitless 96.25m

Shore Power Converter 50kVA

A 310 kVA Shore Power Converter was retrofitted and commissioned on the iconic yacht Limitless in 2021. To make better use of available space, the system was modularised with transformer and electronics separately installed. The cabinet was painted using Awlgrip to keep the engine room appearance consistent. The electronics cabinet can be converted from sealed water cooling to forced air by adjusting using the front system panel. The Ship's Bus is 440V IT and to maintain high impedance integrity, the output is fully isolated. To improve future customer support, the M controller was installed.

 

"Magnus Marine shore power converters are pretty much a fit and forget applicance."

Steve Dufton

Chief Engineer

 
 

M/Y Spectre 70m

Shore Power 300kVA

M/Y Spectre needed to replace their Shore Power Converter to reliably handle peak power conditions onboard. The converter was installed through a small hatch opening in an aft technical storage location with a restricted head room of 1.1m. The converter has built-in water cooling which is required not only to keep the converter cool, but also the compartment space. It has two independent shore cords to maximise power availability and has 50% system redundancy. An M Controller has been integrated for enhanced monitoring and to enable remote diagnostics for rapid support if required.

S/Y Bliss 36.7m

Shore Power Converter 50kVA

After returning from worldwide sailing, a 50 kVA Shore Power Converter was retrofitted onboard S/Y Bliss to allow connection to shore when berthed in harbour. The system was fully dismantled to facilitate transportation through the engine room door. The system has a hybrid water cooling system where all heat generated is forced through a heat extraction unit, chilled by water. The chilled air is then circulated back into the compartment space. The temperature outlet, controlled by a 3-way valve, can be adjusted through the system's front panel graphic display.

S/Y Hetairos 66.7m

Shore Power Converter 80 kVA

The majestic and iconic Hetairos upgraded their Shore Power Converter in 2016 to reduce generator runtime when in harbour. To improve sailing performance, the unit was positioned in the bow compartment space and the system is structurally reinforced to facilitate hull forces under sail. Installed in a restricted location, the system is sealed and water cooled using the ship's chilled water supply. A graphic display was installed in the engine room for monitoring and control.

M/Y Falkor 82.9

Shore Power Converter 1MVA

M/Y Falkor is a newly commissioned oceanographic research vessel operated by the Schmidt Ocean Institute. To reduce environmental impact whilst in harbour, a Shore Power Converter was installed. The system has 10 levels of built-in redundancy with two galvanically isolated and independent inputs, allowing connection to any worldwide shore supply. The converter has a 690V 60Hz output which is isolated from the ship's IT bus and the M controller provides in-depth monitoring of the system which can be used for remote diagnostics as it travels to remote parts of the globe.

 
To ensure Dependable Marine Power for your yacht, get in touch with us today +44 (0) 1953 661111
 
 

Hybrid Power Systems

M/Y Madsummer 95m

Virtual Generator 160 kVA / 54 kWh Batteries

Designed and installed during the build, the M/Y Madsummer installation is certified by Lloyds. An energy storage system was installed during the build to improve green credentials and optimise single generator power. The system is 160 kVA with 54 kWh of battery storage, air cooled and relies on forced air ventilation for cooling. The virtual generator has dynamic control, is continually online and delivers power for loads with a high current peak demand, including vessel stabilisers. The converter is installed outside the battery room, which has a large 15" display for battery monitoring and system control.

Netherlands 132m Yacht

Grid/Shore Power 2 MVA and 2 MVA

For this combined Grid/Shore Power Converter and energy storage system, the grid converter was taken from our SP300 platform which utilises the latest 3-level switching. Two independent 1 MVA converter supplies can be switched from the 690V Ship’s Bus to shore and provide a stable 400V 50 Hz supply for utility equipment. Also connected to the 400V Ship’s Bus are two 1 MVA virtual generators which are coupled to 4.8 kWh of lithium-ion batteries. The batteries can peak shave with the ship’s 690V generators or operate standalone for silent ship operation. All the converters have water cooling where heat exchangers, using an inter-cooled water network at sea water temperature, force cool air into the compartment space. 
 

"The unit has been in operation for over a year and all looks good, significantly reducing the run hours on our generators."

Richard Archer

Captain S/Y Virago

 
 
 
For more detailed information about Magnus shore-to-ship converters, including comprehensive technical details, simply click on the button below
 
 
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