Tag Archives: Efficiency

Die-Cast Copper Motor Rotors: Motor Test Results, Copper Compared to Aluminum

Die-Cast Copper Motor Rotors: Motor Test Results, Copper Compared to Aluminum

다이캐스트 구리 모터 로터: 구리와 알루미늄 모터 테스트 비교 결과 Edwin F. BrushJr.John G. CowieDale T. PetersDarryl J. Van Son Abstract Motor manufacturers have long realized that because the electrical conductivity of copper is nearly 60% higher than that of aluminum, substituting copper for aluminum in the squirrel cage of the induction motor would markedly increase the electrical energy efficiency of the machine. Most

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Fig. 8. Magnetic flux density distribution in the 1E4 motor

Design optimization of 15 kW, 2-pole induction motor to achieve IE4 efficiency level with copper diecasting

구리 다이캐스팅으로 IE4 효율 수준을 달성하기 위한 15kW, 2극 유도 전동기의 설계 최적화 Abstract This paper describes the design and simulation of 15 kW, 2 pole, 50 Hz, three phase induction motor to achieve IE4 efficiency level as defined by the International Electrotechnical Commission (IEC). For achieving higher efficiency, the motor is designed, optimized and

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Fig.3 Cross-section of rotor for three-phase motor showing copper filling the conductor bar slots

Die-cast copper rotors for improved motor performance

모터 성능 향상을 위한 다이캐스트 구리 로터 Authors J.G. CowieCopper Development Association Inc., New York, NY, USAD.T. BrenderCopper Development Association Inc., New York, NY, USA Abstract Aluminum has been the common conductor material for the squirrel cage of the induction motor largely because of ease of manufacturing by pressure die casting. Short die life in

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Fig. 1. Influence of different gate positions on the fill process

Experience in China on the Die-Casting of Copper Rotors for Induction Motors

Daniel Liang, Xu Yang, Jiabin Yu, Victor Zhou Abstract This paper introduces the recent technological progress in China on the manufacture of die cast Copper Motor Rotors (CMR) for induction motors. This manufacturing process provides a simple and practical means for large-scale economical production of high-efficiency induction motors. Rotor die casting obstacles/solutions are presented along

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Fig. 3 Prototype and thermal-fluid analysis

Analysis of high speed induction motor for spindle made by copper die casting process

Do-Kwan Hong,  Jae-Hak Choi,  Pil-Wan Han,  Yon-Do Chun,  Byung-Chul Woo &  Dae-Hyun Koo  International Journal of Precision Engineering and Manufacturing volume 13, pages2251–2257 (2012)Cite this article Abstract This paper deals with the analysis techniques of a high speed and high efficiency 10 kW, 30,000 rpm rated induction motor. The induction motor has been analyzed by time-varying magnetic finite element

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Fig. 1 Prototype and rotor for copper die casting

Unbalance Response Analysis of Copper Die Casting High Speed Induction Motor

동 다이캐스팅 고속 유도전동기의 불평형 응답 해석 Hong, Do-Kwan  ; Jung, Seung-Wook  ; Woo, Byung-Chul  ; Koo, Dae-Hyun  ; Ahn, Chan-Woo  홍도관  (한국전기연구원 전동력연구센터) ; 정승욱  (동아대학교 대학원 기계공학과) ; 우병철  (한국전기연구원 전동력연구센터) ; 구대현  (한국전기연구원 전동력연구센터) ; 안찬우  (동아대학교 기계공학과) Abstract This paper deals with a copper die casting induction motor which has several advantages of motor performance. The developed motor is used

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Fig. 1. The European classification scheme and the efficiency of investigated motors with aluminum rotors

Design of High Efficiency Induction Motors with Die-Casting Copper Rotors

고효율 유도 전동기 설계 다이캐스팅 구리 로터 Francesco Parasiliti, Marco VillaniDepartment ofElectric Engineering, University ofL’Aquila, 67040 L’Aquila, Italy Abstract The paper deals with the use of copper cage in three-phase low voltage induction motors and gives a design guideline to optimize their efficiency, according to the new European classification scheme. An accurate motor design allows

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Fig. 6 Distribution of temperature (the same Pouring Velocity) (a) L2; (b) L6; (c) L10; (d) L14

Numerical Simulation on Filling Optimization of Copper Rotor for High Efficient Electric Motors in Die Casting Process

Ya’nan Wu1, a, Guojie Huang1, b, Lei Cheng1,c, Daniel Liang2,d, Wei Xiao1,e1State Key Laboratory of Nonferrous Metals and Processes, General Research Institute forNonferrous Metals, Beijing 100088, China2Motor System,International Copper Association Asia, Tian Zuo International Center,Beijing 100081, Chinaaynwu19@163.com, bhuangguojie@grinm.com, cchenglei@grinm.com,dDaniel.liang@copperalliance.asia, ewxiao@ustb.edu.cn Keywords: Numerical Simulation, Copper Rotors, FLOW-3D, Die Casting. Abstract The parametric optimization of process parameter

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Sustainable casting processes through simulation-driven optimization Fig1

Sustainable casting processes through simulation-driven optimization

Michail Papanikolaou, Prateek SaxenaSustainable Manufacturing Systems Centre, Manufacturing Theme, Cranfield University, Cranfield, United Kingdom Available online 1 April 2021. Abstract Since the 1980s, the evolution of the computing power as well as the advances in numerical modeling techniques have allowed for the development of accurate casting simulation solutions. Although casting processes involve a series of

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Figure 15. R-HPDC automobile shock absorber part.

R-HPDC Process with Forced Convection Mixing Device for Automotive Part of A380 Aluminum Alloy

by Bing Zhou,Yonglin Kang *,Mingfan Qi,Huanhuan Zhang andGuoming ZhuSchool of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China*Author to whom correspondence should be addressed.Materials2014, 7(4), 3084-3105; https://doi.org/10.3390/ma7043084Received: 24 March 2014 / Revised: 4 April 2014 / Accepted: 4 April 2014 / Published: 15 April 2014(This article belongs to the Special Issue Light Alloys and Their Applications)

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