Thermal stability solutions for optical current sensor using the thermoelectric method

Shuping Wang; Abdullaziz Alahmari; Xiaoling Yang

doi:10.1117/12.1000033

30 November 2012 Thermal stability solutions for optical current sensor using the thermoelectric method

Shuping Wang, Abdullaziz Alahmari, Xiaoling Yang

Proceedings Volume 8561, Advanced Sensor Systems and Applications V; 856106 (2012) https://doi.org/10.1117/12.1000033
Event: Photonics Asia, 2012, Beijing, China

Abstract

Temperature stability is one of the major obstacles that prevent the application of optical current sensors (OCSs) in the power industry. A simple yet effective method using thermoelectric effect and software packages to compensate for temperature drift of an OCS based on the Faraday effect is reported. A self-excited thermoelectric component is used to monitor the temperature of the Faraday element. The resolution of 1°C in temperature range from -40 to 80°C can be achieved. Combining accurate temperature information with software, the OCS with improved temperature stability has been demonstrated.

Citation Download Citation

Shuping Wang, Abdullaziz Alahmari, and Xiaoling Yang "Thermal stability solutions for optical current sensor using the thermoelectric method", Proc. SPIE 8561, Advanced Sensor Systems and Applications V, 856106 (30 November 2012); https://doi.org/10.1117/12.1000033

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