U.S. Navy Receives Bi-Directional Undersea Power Converter for UUV Charging

The PowerMod Subsea MVDC Power Distribution System, ideal for charging unmanned underwater vehicles (UUVs) and other applications, converts 10 kVDC to 375 VDC directly at the seafloor By Joseph Macey / 19 Mar 2024

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U.S. Navy Receives Bi-Directional Undersea Power Converter for Charging UUVs
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A new electric power conversion system for subsea power distribution has been delivered by Diversified Technologies.

The PowerMod™ Subsea MVDC Power Distribution System, developed as a Phase ll SBIR for the U.S. Navy, features pressurized power conversion modules that measure 18″ dia. (457.2mm) and operate at depths to 3,500 meters.

Allowing the transmission of up to a megawatt at medium voltages over thousands of kilometers, this bi-directional system converts 10 kVDC to 375 VDC directly at the seafloor.

Permitting grid or loop configurations with multiple power sources, the PowerMod Subsea MVDC Power Distribution System is ideal for charging unmanned undersea vehicles and other applications. It can be powered from high voltage onshore generators or from undersea sources such as hydro-thermal or wave power generators at 375 V, with their voltage up-converted to 10 kV. The modules are said to provide a 90% probability of operation for 25 years.

The PowerMod Subsea MVDC Power Distribution System is priced from $500,000 per node, depending upon configuration.

Posted by Joseph Macey Connect & Contact

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