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DNV announces smart cable solution

DNV GL, a leading global energy advisory and testing authority, today announced the latest advancement in its Smart Cable Guard solution. In addition to the existing capability that allows system operators and industrial asset managers to detect and locate partial discharges on-line, Smart Cable Guard now immediately pinpoints, within 1% accuracy, the exact location of a fault in a MV cable system and reduces the time to repair. With this real-time insight, operators and asset managers can drastically reduce the time customers are affected by faults – and under certain circumstances they can also decrease the frequency by which customers are affected – ultimately cutting overall system costs.

The solution reduces maintenance costs, eliminates power interruption during daily use, mitigates negative publicity and claims, and enhances the operator’s reputation for innovative and reliable grid management. Integrated into one solution, Smart Cable Guard detects and locates any fault and issues an immediate warning, independent of the network grounding and short circuit current level – even if there is no short circuit current flowing. It is also provides the ability to immediately detect the location of intermittent and hidden faults.

“Smart Cable Guard has proved to be a very attractive solution for accurate and quick on-line detection of faults in our network. For this reason, we already guard our circuits using DNV GL’s solution, and there will be more to come,” said Denny Harmsen, Senior Innovation Consultant at Alliander, one of the main Distribution Network Utilities in the Netherlands.

Dr. Fred Steennis, Principal Consultant and Power Cable Expert at DNV GL said, “In urban environments where the cost of power outages is high, medium voltage power cables are the utility’s most important asset while a failure in an industrially-owned setting can cause severe disruption and financial loss. Offline monitoring of these cables is like a security camera that takes a picture once a year, while Smart Cable Guard’s new real-time insight offers operators continuous surveillance of the cable network, and equips them with the right information for immediate action.”

DNV GL invests 5% of its revenue in research and innovation, such as joint industry projects with partners in industry, of which Smart Cable Guard is one. Learn more about DNV GL’s Smart Cable Guard solution at

Driven by its purpose of safeguarding life, property and the environment, DNV GL enables organisations to advance the safety and sustainability of their business. DNV GL provides classification and technical assurance along with software and independent expert advisory services to the maritime, oil & gas and energy industries. It also provides certification services to customers across a wide range of industries. DNV GL, whose origins go back to 1864, operates globally in more than 100 countries with its 16,000 professionals dedicated to helping their customers make the world safer, smarter and greener.

In the Energy industry
In DNV GL we unite the strengths of DNV, KEMA, Garrad Hassan, and GL Renewables Certification. DNV GL’s 2,500 energy experts support customers around the globe in delivering a safe, reliable, efficient, and sustainable energy supply. We deliver world-renowned testing, certification and advisory services to the energy value chain including renewables and energy efficiency. Our expertise spans onshore and offshore wind power, solar, conventional generation, transmission and distribution, smart grids, and sustainable energy use, as well as energy markets and regulations. Our testing, certification and advisory services are delivered independent from each other.

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Source: DNV GL

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