• 대한전기학회
Mobile QR Code QR CODE : The Transactions of the Korean Institute of Electrical Engineers
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  • 한국과학기술단체총연합회
  • 한국학술지인용색인
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Title Comparative Analysis of Copper Clad Aluminum (CCA) Windings for Power Density Improvement
Authors 박지훈(Ji-Hoon Park) ; 이민영(Min-Young Lee) ; 강동우(Dong-Woo Kang) ; 김태형(Tae-Heoung Kim)
DOI https://doi.org/10.5370/KIEE.2025.74.4.575
Page pp.575-580
ISSN 1975-8359
Keywords copper; wire; aluminum; Lightweight; copper loss; high power density
Abstract The electric vehicle market and the motor market have recently been focusing on lightweight designs and high specific power output. However, there are limited ways to enhance the specific power output of Radial Flux Motors (RFM), commonly used motors. To overcome the limitations of improving the specific power output of motors like RFMs, this study explored a method to increase specific power output by reducing the weight of the windings using Copper Clad Aluminum (CCA) windings. CCA windings are aluminum windings coated with copper, which offer advantages such as lower weight and cost compared to copper windings, and higher electrical conductivity and strength compared to aluminum windings. This study utilized Ansys Electronics Desktop 2024 R1, an electromagnetic analysis software using the finite element method, to compare the copper losses, total losses, efficiency, and specific power output of two types of CCA windings with pure copper windings, thereby validating the proposed method.