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Author:

Zhao Xiaojuan (Zhao Xiaojuan.) | Zhang Yulong (Zhang Yulong.) | Ye Lezhi (Ye Lezhi.)

Indexed by:

EI Scopus SCIE

Abstract:

To solve the problem of the serious mileage reduction of electric vehicles in winter, this paper introduces a new type of motor with eddy current braking and heating system (EBHS). EBHS can convert the vehicle's kinetic energy into the thermal energy which can be used for heating the cabin and the battery at the right temperature. This paper proposes the structural layout and operating modes with the novel motor. The air gap magnetic density of the ECR is calculated by the magnetic circuit method. The braking torque is solved by the transient electromagnetic finite element method. The eddy current loss power at different speeds is used for analyzing heat performance. Based on MATLAB/Simulink environment, the fuzzy control method is used to simulate the EBHS's braking energy efficiency. Compared with PTC heating, the power consumption of the new motor is reduced by 25 % and the cabin can reach 20 degrees C in 160 seconds. Finally, it is verified by bench test that the retarder stator stayed within 110 degrees C when it is continuously operated for 12 minutes. The braking torque of the finite element analysis result meet the test value, and the error rate is not higher than 11.7 %.

Keyword:

Eddy current braking Braking energy Heating fuzzy control Electric vehicle

Author Community:

  • [ 1 ] [Zhao Xiaojuan]Shanxi Conservancy Tech Inst, Dept Hydraul Engn, Yuncheng 044004, Peoples R China
  • [ 2 ] [Zhang Yulong]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 3 ] [Ye Lezhi]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Ye Lezhi]Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

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Source :

INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY

ISSN: 1229-9138

Year: 2021

Issue: 5

Volume: 22

Page: 1159-1168

1 . 6 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:87

JCR Journal Grade:4

Cited Count:

WoS CC Cited Count: 8

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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