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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2011, Vol. 12 Issue (12): 936-944    DOI: 10.1631/jzus.A11GT002
Electrical Engineering     
Design and analysis of the hybrid excitation rail eddy brake system of high-speed trains
Ji-en Ma, Bin Zhang, Xiao-yan Huang, You-tong Fang, Wen-ping Cao
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China, The Key State Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China, Newcastle University, Newcastle upon Type, NE1 7RU, UK
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Abstract  Compared to the current eddy braking patterns using a single magnetic source, hybrid excitation rail eddy brakes have many advantages, such as controllability, energy saving, and various operating models. Considering the large braking power consumption of the high-speed train, a hybrid excitation rail eddy brake system, which is based on the principle of electromagnetic field, is proposed to fulfill the needs of safety and reliability. Then the working processes of the mechanical lifting system and electromagnetic system are demonstrated. With the electromagnetic system analyzed using the finite element method, the factors such as speed, air gap, and exciting current have influences on the braking force and attractive force. At last, the structure optimization of the brake system is discussed.

Key words： High-speed train      Hybrid excitation      Eddy brake      Finite element method     
Received: 23 September 2011      Published: 01 December 2011
CLC:  U266.2  
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Ji-en Ma
Xiao-yan Huang
Bin Zhang
You-tong Fang
Wen-ping Cao
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Ji-en Ma, Bin Zhang, Xiao-yan Huang, You-tong Fang, Wen-ping Cao. Design and analysis of the hybrid excitation rail eddy brake system of high-speed trains. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2011, 12(12): 936-944.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A11GT002     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2011/V12/I12/936

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