vicorpower.com EG17V1 ©2017 Vicor Corporation. All rights reserved. Tethered UAV HVDC Facilitates Higher Performance HVDC Small Size, Low Profile Low Weight High Power The Customer's Challenge Tethered UAV manufacturers are competing to maximize the payload within a given airborne vehicle’s weight budget. One customer was designing a UAV, powered from a multi-kilowatt vehicle-based power system via a tether. By removing the onboard battery, the UAV was able to carry a larger payload. However, the customer needed to find a way to reduce the weight of the tether itself, to further reduce the system weight. The Solution To minimize transmission losses due to the resistance of the cable, and reduce the size and weight of the cable itself, a high voltage (400V) transmission so

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