About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
Energy Materials for Sustainable Development
|
| Presentation Title |
Tradeoffs Curves for AC losses in superconducting and normal metal conductors relevant to MW class high power density electric motor applications |
| Author(s) |
Hyuk Jin Kwon, Michael Sumption, Edward Collings |
| On-Site Speaker (Planned) |
Hyuk Jin Kwon |
| Abstract Scope |
MW class electric aircraft fueled by renewable cryogenic fuel such as liquid hydrogen (boiling point of 20 K) are under development to for sustainable air travel. To achieve the high-power density metric required by electric motors for this application, low loss conductors are necessary. With cryogenic fuel onboard, materials such as superconductors (including MgB2, BSCCO 2212, and ReBCO) and high-purity normal metals at low temperatures can be good candidates for low loss conductors because of their improved electrical properties. In addition to losses related to current excitation, time changing magnetic fields in the motor induce losses in the supporting matrix material. While individual loss contributions are well known, few direct comparisons have been made due a high critical current present in superconductors. In this work, we generate a loss tradeoff curve in 2-D space considering various conductor parameters as well as conditions relevant for high-power density motor applications. |