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- Haller, Stefan,1982-Mittuniversitetet,Institutionen för elektronikkonstruktion (author)
Multi-phase winding with in-conductor direct cooling capability for a 48V traction drive design
- Article/chapterEnglish2020
Publisher, publication year, extent ...
- IEEE,2020
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:miun-40858
- https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-40858URI
- https://doi.org/10.1109/ICEM49940.2020.9270717DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
Classification
Notes
- Traction drive applications demand high power density motors with a good stator cooling design. We propose a novel multi-phase winding for a 48 V traction drive design having identical preformed hollow copper conductors with in-conductor direct cooling capability. This paper studies the cooling performance of an individual conductor phase using either EGW50/50 or water as coolant. Analytical calculations and experiments are conducted on a straight conductor of the same length using 20°C water as coolant. The results are then cross verified with those from the FEM simulations to validate the simulation setup. Then a final simulation is conducted at a current of 700A and a current density of 49.5 A/mm 2 on the preformed conductor using 65 CEGW50/50 as coolant at a pressure of 140kPa. The results highlight the exceptional performance of the cooling design which enables a power dissipation of 71OW at a maximum conductor temperature rise of only 56. 9 C.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- 48V
- Electrical machine
- Hollow conductor
- In-conductor direct cooling
- Lowvoltage
- Multi-phase winding
- Traction drive
Added entries (persons, corporate bodies, meetings, titles ...)
- Persson, JohanMittuniversitetet,Institutionen för naturvetenskap(Swepub:miun)johper (author)
- Cheng, PengMittuniversitetet,Institutionen för elektronikkonstruktion(Swepub:miun)penche (author)
- Bertilsson, Kent,1973-Mittuniversitetet,Institutionen för elektronikkonstruktion(Swepub:miun)kenber (author)
- MittuniversitetetInstitutionen för elektronikkonstruktion (creator_code:org_t)
Related titles
- In:Proceedings - 2020 International Conference on Electrical Machines, ICEM 2020: IEEE, s. 2118-21249781728199450
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