一种提高光学电压传感器温度稳定性的方法

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摘要光学电压传感器的测量精确度易受环境温度的影响。通过设计基准电压源,使基准电压源与被测电压源串联共同作用于同一个光学电压传感器,提出一种获取自校准系数的自校准算法,通过自校准系数对光学电压传感器测量结果进行修正,实现对光学电压传感器的温度补偿。基于该方法设计了自校准光学电压传感器,并对其进行了精确度测试。测试结果表明：在-40℃~+70℃的温度范围内,自校准光学电压传感器的测量误差小于±0.12%,其温度稳定性得到了显著提高。该方法简单有效,为实现实用化的高精确度光学电压互感器提供了解决方案。

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	肖智宏
	于文斌
	张国庆
	张祥龙
	郭志忠
	申岩

关键词 ：光学电压传感器, 自校准, 测量精确度, 温度稳定性

Abstract：The measurement accuracy of optical voltage sensor is susceptible to the influence of the environment temperature. A reference voltage source is designed in this paper. The reference voltage source is used in series with the measured voltage source, which work together to the same optical voltage sensor. A self-calibration algorithm is designed to achieve the self-calibration coefficient. The measurement results of the optical voltage sensor are modified through the self-calibration coefficient. Based on the above method, the self-calibration optical voltage sensor is designed, and its accuracy is tested. Test results show that the measurement error of the designed self-calibration optical voltage sensor is less than ±0.12% in the temperature range of -40℃~+70℃, which indicates that its temperature stability has improved significantly. This method is simple and effective, and which offers a solution to the realization of practical application of high precision optical voltage transformer.

Key words： Optical voltage sensor self-calibration measurement accuracy temperature stability

收稿日期: 2014-04-21 出版日期: 2015-04-13

PACS:

TM452

基金资助:黑龙江省自然科学基金（E201237）,中央高校基本科研业务费专项基金（HIT; NSRIF.2013018）和国家电网公司科技项目（52440013004L）资助

作者简介: 肖智宏男,1977年生,博士,高级工程师,研究方向为光电传感、电力系统分析与控制,电网规划与评价等。于文斌（通信作者）男,1976年生,讲师,主要研究方向为光电测量技术及其在智能电网中的应用。

引用本文:

肖智宏,于文斌,张国庆,张祥龙,郭志忠,申岩. 一种提高光学电压传感器温度稳定性的方法[J]. 电工技术学报, 2015, 30(4): 106-112. Xiao Zhihong,Yu Wenbin,Zhang Guoqing,Zhang Xianglong,Guo Zhizhong,Shen Yan. A Method to Improve Temperature Stability of Optical Voltage Sensor. Transactions of China Electrotechnical Society, 2015, 30(4): 106-112.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2015/V30/I4/106

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