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Proceedings Paper

Design and realization of temperature measurement system based on optical fiber temperature sensor for wireless power transfer
Author(s): Xi Chen; Shuang Zeng; Xiulan Liu; Yuan Jin; Xianglong Li; Xiaochen Wang
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Paper Abstract

The electric vehicles (EV) have become accepted by increasing numbers of people for the environmental-friendly advantages. A novel way to charge the electric vehicles is through wireless power transfer (WPT). The wireless power transfer is a high power transfer system. The high currents flowing through the transmitter and receiver coils increasing temperature affects the safety of person and charging equipment. As a result, temperature measurement for wireless power transfer is needed. In this paper, a temperature measurement system based on optical fiber temperature sensors for electric vehicle wireless power transfer is proposed. Initially, the thermal characteristics of the wireless power transfer system are studied and the advantages of optical fiber sensors are analyzed. Then the temperature measurement system based on optical fiber temperature sensor is designed. The system consists of optical subsystem, data acquisition subsystem and data processing subsystem. Finally, the system is tested and the experiment result shows that the system can realize 1°C precision and can acquire real-time temperature distribution of the coils, which can meet the requirement of the temperature measuring for wireless power transfer.

Paper Details

Date Published: 20 February 2018
PDF: 7 pages
Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106972E (20 February 2018); doi: 10.1117/12.2315479
Show Author Affiliations
Xi Chen, Beijing Electric Power Research Institute (China)
Shuang Zeng, Beijing Electric Power Research Institute (China)
Xiulan Liu, Beijing Electric Power Research Institute (China)
Yuan Jin, Beijing Electric Power Research Institute (China)
Xianglong Li, Beijing Electric Power Research Institute (China)
Xiaochen Wang, Beijing Electric Power Research Institute (China)


Published in SPIE Proceedings Vol. 10697:
Fourth Seminar on Novel Optoelectronic Detection Technology and Application
Weiqi Jin; Ye Li, Editor(s)

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