Undersea medium voltage DC power distribution

Diversified Technologies, Inc. (DTI) has developed and fielded a significant advance in undersea power network technology using high-voltage, solid-state DC-to-DC conversion. In this architecture, on-shore conventional switching power supplies provide medium-voltage (MV) DC power to 100s of kilometers of undersea power cables at 10 kVDC. At each undersea node where power is required, a medium-voltage, high-frequency DC-to-DC converter down-converts the MVDC power to 375 VDC. Power delivered at this low voltage is available to support a wide range of sensors, electronics, repeaters, motors, or remotely operated vehicles.