GEORGIA TECH RESEARCH CORPORATION: NEW CIRCUITS AWARD. CONTROL NUMBER: 1727-1609 TITLE: ''GRID-CONNECTED MODULAR SOFT-SWITCHING SOLID STATE TRANSFORMERS (M-S4T)'' THE GEORGIA TECH RESEARCH CORPORATION WILL DESIGN A FLEXIBLE AND MODULAR SOFT-SWITCHING SOLID STATE TRANSFORMER (M-S4T) FOR DIRECT GRID-CONNECTED APPLICATIONS. THE PROPOSED M-S4T WILL REALIZE A MODULAR APPROACH TO BUILD FLEXIBLE, COMPACT, HIGH-PERFORMANCE GRID-CONNECTED CONVERTERS WITH HIGH-FREQUENCY ISOLATION, FULLY BIDIRECTIONAL OPERATION, AND THE USE OF PASSIVE COOLING TECHNIQUES THAT CAN ALSO MEET THE EQUIPMENT LIFE, BASIC INSULATION LEVEL AND FAULT CURRENT SPECIFICATIONS THAT HAVE PROVEN TO BE SO CHALLENGING. ----------