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一种提高光学电压传感器温度稳定性的方法

, PP. 106-112

Keywords: 光学电压传感器,自校准,测量精确度,温度稳定性

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Abstract:

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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