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Corvus Energy first to offer SOH testing

Caption: Corvus Energy is the first marine ESS supplier to provide data-driven State of Health (SOH) testing to their customers.

Corvus Energy has announced that the company has developed a DNV-accepted method for data-driven SOH testing. Corvus Energy is the first marine ESS supplier to provide this to their customers, the company highlights.

State of Health (SOH) tests for marine battery systems are mandatory and assess the condition, performance, and safety of the batteries over time. These tests help determine the battery’s capacity, efficiency, and remaining life. Using data-driven approaches in these tests enhances accuracy and efficiency in monitoring and maintaining marine battery systems. In addition, the test can be done with close to no disruption to the normal operation, significantly reducing costs and off-hire time for the vessel.

Collaboration with DNV

Lars Ole Valøen, EVP and CTO for Corvus, explains: “We recognized very early that we could reduce cost and unwanted non-operation for ship owners significantly if we could do the annual SOH test without taking the vessel out of operation. However, due to the high complexity of battery degradation processes, it has taken almost 5 years to gather sufficient degradation data from the field and develop robust data-driven SOH algorithms.”

DNV has been involved with the development of the SOH tests. The company notes that large amounts of data, lab test data, and a powerful digital twin approach have allowed the company to simplify the test procedure requirements, making the SOH test efficient without reducing accuracy.

Going forward, Corvus aims to develop its data-driven approach further to provide its customers with updated SOH verifications at any time requested, purely based on real data from their normal operations.

 

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