Abstract: This article introduces a new pair of symmetric-bipolar buck-boost ac-ac converters with bidirectional power flow capability. The proposed family includes two topologies with reduced active ...

Abstract: The three-phase dual-active-bridge (3p-DAB) converter exhibits an inherent fault-tolerant capability for addressing open-circuit failures (OCFs ... non-unity voltage gain, such as buck ...

The crew of the Army Black Hawk helicopter that collided in ... National Transportation Safety Board Chairwoman Jennifer Homendy said a recording from the helicopter cockpit suggests the crew ...