Graphene-based ultracapacitors capture wave energy
MJR is using Skeleton’s water-cooled 170V ultracapacitor module technology in its X-Wave Active Heave Compensation (AHC) systems (above). The first X-wave module is being built for testing in the North Sea with further systems planned for 2019.
The 170V ultracapacitor module enables recovery of energy during the ‘heave up’ phase and releasing it again during the ‘heave down’ phase. This can reduce the overall system power demand by up to 75% and so reduce the total peak power required from the vessel or generator supply. In fail-safe stoppages in case of emergencies, the locally stored energy can enable a controlled stop under load, thus reducing the potential for mechanical damage to the rotating machinery, load, or auxiliary equipment.
“Not only is their technology best suited for our marine and offshore applications but they care deeply about establishing long-lasting relationships with support to us and our clients. Ultracapacitors are suited to AHC applications, as well as all back of deck rotating machinery and systems where high availability and safety are paramount. In addition, Skeleton’s ultracapacitors and MJR’s power conversion systems can provide vessels and rigs with transient support by strengthening the network and improving voltage and frequency response, preventing or minimizing blackout impacts,” said Paul Cairns, Managing Director at MJR Power & Automation.
“Where Skeleton Technologies’ advantage lies is in the low internal resistance of our ultracapacitors. This drastically increases the energy saving potential of MJR’s systems and makes working at sea safer and more economical,” said Taavi Madiberk, CEO of Skeleton Technologies.
Skeleton has built Europe’s largest supercapacitor factory in Germany, using a 3D graphene structure to boost the performance of the devices.
Related stories:
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- SKELETON LAUNCHES ULTRACAPACITOR GRID SYSTEM
- EUROPE INVESTS IN ESTONIAN ULTRACAPACITOR PIONEER
- EUROPE’S LARGEST SUPERCAPACITOR FACTORY OPENS
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