ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,815, issued on Sept. 30, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Start-up control for multilevel dual active bridge converter" was invented by Karthik Desingu (Puducherry, India), Jyothiraditya Ramaswamy (Anupuram, India), Gregory J. Speckhart (Peoria, Ill.) and James D. Siegle (Washington, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are described to smooth start a multilevel dual active bridge converter by pre-charging the capacitors present on the converter without requiring any additional hardware. Various phase shift angles determine the power delivered by the dual active bridge converter. By using the techniques, a...