Materials

Overview

• New soft magnetic materials – improve performance of converter filters and electric machines
• Insulation – electrical insulation with better thermal transfer to improve electric machine performance
• High-Conductivity Copper/Carbon Nanotube Conductor – approach to reduce the mass of cables
• Superconducting Wire Development – AC superconductors which could be used for electric machines or distribution

NASA Soft Magnetic Materials

Soft magnetic materials perform key functions in transformers, filter circuits (inductors), and electric machines (motors and generators). Unfortunately, ...

Insulation Development

Although the key role for insulation in electrical machines is electrical isolation, thermal conductivity is equally impactful in electric machine design. ...

High-Conductivity Copper/Carbon Nanotube Conductor

The primary conductor requirements in EAP applications require improvement in absolute conduction relative to Cu at operational temperatures (6×107 S/m at ...

Superconducting Wire Development

Superconducting wires conducting dc incur very low losses Superconductors used for AC conducting incur hysteresis and eddy current losses in that require ...

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