400 Commonwealth Drive, Warrendale, PA 15096-0001 U.S.A. Tel: (724) 776-4841 Fax: (724) 776-5760 SAE TECHNICAL PAPER SERIES 2000-01-1557 Effect of Extended-Speed, Constant-Power Operation of Electric Drives on the Design and Performance of EV-HEV Propulsion System Z. Rahman, K. L. Butler and M. Ehsani Texas A&M University Reprinted From: 2000 Future Car Congress Proceedings CD-ROM 2000 Future Car Congress Arlington, Virginia April 2-6, 2000