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• ABB has upgraded a variable speed drive to extend the life of NASA’s National Transonic Facility (NTF) wind tunnel by at least 10 years;
• Service project has boosted the reliability and availability of the world’s largest medium voltage (MV) drive system;
• Drive experts engineered a solution to match the electrical performance and mechanical arrangement of the existing asset.
As part of an ABB Motion OneCare service agreement, ABB has modernized a variable speed drive (VSD) for NASA (US National Aeronautics and Space Administration) to extend, by at least 10 years, the life of the wind tunnel at its National Transonic Facility (NTF) at Langley Research Center in Hampton, Virginia. The tunnel is used to optimize aircraft performance and fuel consumption by mimicking flight conditions at high altitudes and close to the speed of sound. It has been used to test the Boeing 777, the Space Shuttle and its Booster Rocket.
In 2021, NASA’s engineers identified a need to upgrade the tunnel’s medium voltage (MV) drive, due to the aging of the drive’s components. ABB supplied the drive in 1997 as the most powerful of its kind in the world: the 101-megawatt (MW) drive can test models in air or nitrogen flowing at transonic speeds and at ambient or cryogenic temperatures. As a result, the NTF can simulate a wider range of flying conditions than any other wind tunnel, enabling engineers to gain unique insight and hone aircraft designs.
After ABB’s service specialists evaluated the performance and mechanical connections of the existing drive, the next step was to develop a solution based on modern high-efficiency power electronic components to match the original drive’s maximum power, while achieving high availability and reliability. This resulted in the modernization of the drive, to replace key components inside the existing footprint with the latest ABB state-of-art technology. The scope included upgrading the small part of the drive (control unit), which minimized the duration and disruption of the project and demonstrated circularity by minimizing waste and logistics as much as possible.
“NASA relied on ABB’s domain expertise, technology and services to ensure its National Transonic Facility (NTF) provides high reliability and uptime to maximize availability for its testing programs and optimize the life-cycle value of its assets,” said Oswald Deuchar, Head of Modernization Services, ABB Motion. “Extending the life of the wind tunnel by at least 10 years supports NASA’s operational goals, while upgrading the drive’s key components demonstrates efficiency and circular approach.”
NASA (nasa.gov) ordered the upgrade project as the first activity under an ABB Motion OneCare service agreement that also covers spare parts and maintenance. This type of agreement provides the flexibility for operators like NASA to bundle together the services they want so that they can optimize the life cycle of their motors, generators and drives.
About ABB
ABB Motion, a global leader in motors and drives, is at the core of accelerating a more productive and sustainable future. We innovate and push the boundaries of technology to contribute to energy efficient, decarbonizing and circular solutions for customers, industries and societies. With our digitally enabled drives, motors and services we support our customers and partners to achieve better performance, safety and reliability. To help the world’s industries outrun leaner and cleaner, we deliver motor-driven solutions for a wide range of applications in all industrial segments. Building on over 140 years of domain expertise in electric powertrains, our more than 22,000 employees across 100 countries learn and improve every day.
ABB (abb.com) is a technology leader in electrification and automation, enabling a more sustainable and resource-efficient future. The company’s solutions connect engineering know-how and software to optimize how things are manufactured, moved, powered and operated. Building on over 140 years of excellence, ABB’s more than 105,000 employees are committed to driving innovations that accelerate industrial transformation.
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