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The need for developing this standard is driven by the quickly evolving field of electrified propulsion for aircraft. Industry is moving forward in development of a broad range of high voltage primary power systems. There is an immediate need to standardize power quality requirements for design, analysis, verification, and testing for these types of systems.

Technical requirements especially related to the design and construction and the minimum performance requirements (including qualification test conditions) for PM motors and power converters (operated as VFDs) used as the prime mover for more-electric, hybrid-electric, and fully-electric aircraft propulsion systems.

The scope of this SAE Aerospace Information Report (AIR) is first to establish applicable definitions and terms prior to considering the application domain and use cases in HVDC applications. Then it will identify commanded switching technologies to be considered for aerospace applications and provide rationale for their selection.