DocumentCode :
2794073
Title :
Comparative evaluation of machines for electric and hybrid vehicles based on dynamic operation and loss minimization
Author :
Bazzi, Ali M. ; Krein, Philip T.
Author_Institution :
Grainger Center for Electr. Machinery & Electromech., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
fYear :
2010
fDate :
12-16 Sept. 2010
Firstpage :
3345
Lastpage :
3351
Abstract :
This paper proposes a method to evaluate induction machines for electric vehicles (EVs) and hybrid electric vehicles (HEVs). Some performance aspects of induction machines are also compared to permanent magnet synchronous machines (PMSMs). An overview of static efficiency maps is presented, but efficiency maps miss dynamic effects and under-predict induction machine efficiencies. The proposed evaluation method is based on dynamic efficiency under loss minimization and overall energy consumption over standard driving cycles that are provided by the U.S. Environmental Protection Agency. Over each of these cycles, the dynamic efficiency and drive-cycle energy are determined based on experimental motor data in combination with a dynamic HEV simulator. Results show that efficiency in the fast-changing dynamic environment of a vehicle can be higher than inferred from static efficiency maps. Overall machine efficiency is compared for rated flux, and for dynamic loss-minimizing flux control. The energy efficiency given optimum flux is typically five points higher than for rated flux. This result is comparable to published PMSM results. A PMSM is also used for comparisons, and results show that both machines can perform well in HEV and EV applications.
Keywords :
asynchronous machines; hybrid electric vehicles; permanent magnet machines; synchronous machines; HEV; PMSM; U.S. Environmental Protection Agency; dynamic operation; electric vehicle; energy consumption; flux control; hybrid electric vehicle; induction machine; loss minimization; permanent magnet synchronous machine; Energy efficiency; Hybrid electric vehicles; Induction machines; Mathematical model; Minimization; Schedules; Vehicle dynamics; Electric machines; dynamic loss minimization; electric vehicles; energy efficiency; hybrid vehicles; performance evaluation;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Energy Conversion Congress and Exposition (ECCE), 2010 IEEE
Conference_Location :
Atlanta, GA
Print_ISBN :
978-1-4244-5286-6
Electronic_ISBN :
978-1-4244-5287-3
Type :
conf
DOI :
10.1109/ECCE.2010.5617782
Filename :
5617782
Link To Document :
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