ZnS:Cu电致发光电压传感器及其温度漂移补偿

李长胜; 陈佳; 王伟岐; 郑岩

doi:10.3788/CO.20171004.0514

Volume 10 Issue 4

Jul. 2017

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Chinese Optics > 2017 > 10(4): 514-521.

LI Chang-sheng, CHEN Jia, WANG Wei-qi, ZHENG Yan. ZnS:Cu electroluminescent voltage sensor and its temperature drift compensation[J]. Chinese Optics, 2017, 10(4): 514-521. doi: 10.3788/CO.20171004.0514

Citation:

LI Chang-sheng, CHEN Jia, WANG Wei-qi, ZHENG Yan. ZnS:Cu electroluminescent voltage sensor and its temperature drift compensation[J]. Chinese Optics, 2017, 10(4): 514-521. doi: 10.3788/CO.20171004.0514

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ZnS:Cu electroluminescent voltage sensor and its temperature drift compensation

doi: 10.3788/CO.20171004.0514

1.
Department of Optoelectronics Engineering, School of Instrumentation Science and Optoelectronics Engineering, Beihang University, Beijing 100191, China
2.
Shanghai Kerun Phospher Technology Co. Ltd., Shanghai 201619, China

More Information

Corresponding author: LI Chang-sheng, E-mail:cli@buaa.edu.cn
Received Date: 26 Dec 2016
Rev Recd Date: 08 Jan 2017
Publish Date: 01 Aug 2017

Abstract

Abstract

A ladder-shaped voltage sensing unit is designed and fabricated using ZnS:Cu powder and epoxy adhesive, and the temperature drift compensation of an electroluminescent voltage sensing signal is implemented. Two channels of electroluminescent voltage sensing signals are transmitted to two photo-detectors using two pieces of plastic optical fibers. Open circuit voltages of the two photo-detectors are used as output voltage sensing signals. The electric field distribution is non-uniform within the ladder-shaped electroluminescent voltage sensing unit, and thus the electroluminescent brightness is also non-uniform under a same applied voltage. AC voltage sensing signals can be obtained by measuring the electroluminescent brightness at two different positions on the ladder-shaped voltage sensing unit. The temperature drift compensation existing in output voltage sensing signal can be achieved by an optimal calculation and fitting of experimental data. 50 Hz AC voltage in the range of 0.7-1.5 kV is measured, and the nonlinear error is less than 1.6% in the range of -40-60℃. This result demonstrates the effectiveness of the proposed temperature drift compensation method.
- optical voltage sensor,
- electroluminescent effect,
- high voltage measurement,
- temperature drift compensation

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References(16)

References

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