Core Loss Effects on Electrical Steel Sheet of Wound Rotor Synchronous Motor for Integrated Starter Generator

Title
Core Loss Effects on Electrical Steel Sheet of Wound Rotor Synchronous Motor for Integrated Starter Generator
Authors
홍정표
Keywords
48-V power supply system; integrated starter generator; wound rotor synchronous motor; copper loss; core loss; efficiency
Issue Date
2015-06
Publisher
KOREAN MAGNETICS SOC
Citation
JOURNAL OF MAGNETICS, v. 20, NO 2, Page. 148-154
Abstract
48-V ISG (Integrated Starter Generator) system has attracted attention to improve the fuel efficiency of ICE (Internal Combustion Engine) vehicle. One of the key components that significantly affects the cost and performance of the 48-V ISG system is the motor. In an ISG motor, the core and copper loss make the motor efficiency change because the motor has a broad driving operated range and more diverse driving modes compared with other motors. When designing an ISG motor, the selection of an electrical steel sheet is important, because the electrical steel sheet directly influences the efficiency of the motor. In this paper, the efficiency of the ISG motor, considering core loss and copper loss, is analyzed by testing different types of electrical steel sheets with respect to the driving speed range and mode. Using the results of a finite element method (FEM) analysis, a method to select the electrical steel sheet is proposed. This method considers the cost of the steel sheet and the efficiency according to driving mode frequency during the design process of the motor. A wound rotor synchronous machine (WRSM) was applied to the ISG motor in this study.
URI
http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=E1MGAB_2015_v20n2_148http://hdl.handle.net/20.500.11754/25522
ISSN
1226-1750; 2233-6656
DOI
http://dx.doi.org/10.4283/JMAG.2015.20.2.148
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > DEPARTMENT OF AUTOMOTIVE ENGINEERING(미래자동차공학과) > Articles
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