IGF::OT::IGFULTR-LIGHT HIGHLY EFFICIENT MW-CLASS CRYOGENICALLY-COOLED INVERTER FOR FUTURE ALL ELECTRIC AIRCRAFT APPLICATIONS. BOEING AS THE PRIME CONTRACTOR SHALL BE RESPONSIBLE FOR OVERALL PROJECT MANAGEMENT THERMAL MANAGEMENT AND MECHANICAL SYSTEM DESIGN INVERTER SYSTEM DESIGN AND INTEGRATION. UNIVERSITY OF TENNESSEE-KNOXVILLE (UTK) WILL BE RESPONSIBLE FOR TOPOLOGY EVALUATION SEMICONDUCTOR DEVICE SELECTION CHARACTERIZATION AND GATE DRIVE EMI FILTER AND INVERTER PROTOTYPING. BOTH TEAMS WILL WORK TOGETHER ON SYSTEM INTEGRATION AND TESTING.THE OVERALL OBJECTIVE IS TO DEVELOP INVERTER TECHNOLOGIES THAT WILL ENABLE A CRYOGENICALLY COOLED INVERTER AT 1-MW POWER LEVEL TO ACHIEVE OR EVEN EXCEED THE EFFICIENCY TARGET OF 99.3% AT 500 KW AND SPECIFIC-POWER TARGET OF 26 KW/KG. THE INVERTER TECHNOLOGIES SHOULD BE SCALABLE RELIABLE AND DEMONSTRATE A TECHNICAL READINESS LEVEL OF AT LEAST 4. THE INVERTER WILL BE DESIGNED TO DELIVER THE MW-LEVEL POWER AT REQUIRED INPUT DC VOLTAGE LEVEL OF 1000 V AND AC OUTPUT FREQUENCY RANGE OF 200-3000 HZ WHILE MEETING THE PQ AND EMI REQUIREMENTS. THE PROTOTYPES OF 200 KW AND 1 MW WITH SUFFICIENT TECHNOLOGY AND FUNCTIONALITY MATURITY WILL BE BUILT AND TESTED TO DEMONSTRATE THE POSSIBILITY OF SUCH AN INVERTER FOR FUTURE AIRCRAFT PROPULSION.

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