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CLC number: U266.2

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 2011-09-24

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.12 P.936-944

http://doi.org/10.1631/jzus.A11GT002


Design and analysis of the hybrid excitation rail eddy brake system of high-speed trains


Author(s):  Ji-en Ma, Bin Zhang, Xiao-yan Huang, You-tong Fang, Wen-ping Cao

Affiliation(s):  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

Corresponding email(s):   zbzju@163.com

Key Words:  High-speed train, Hybrid excitation, Eddy brake, Finite element method



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.

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