脉冲光驱动传感器(用于GIS气体密度)

TRANSDUCERS '91: 1991 International Conference on Solid-State Sensors and Actuators. Digest of Technical Papers Pub Date : 1991-06-24 DOI:10.1109/SENSOR.1991.149011

Y. Yamagata, T. Kumagai, Y. Sai, Y. Uchida, K. Imai

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引用次数: 3

摘要

光电源系统利用激光二极管通过光纤电缆提供的光能驱动传感器，实现了高光能/电能转换效率，成功地提供了1公里以上的电力。通过匹配负载和光电二极管的阻抗，利用光电二极管将脉冲光转换为电信号，并用变压器进行升压，获得了高达14.8%的光能/电能转换效率。将该供电方法应用于特高压变电站气体绝缘开关设备气体密度测量传感器中，充分体现了光传输传感器的优点。气体密度传感器的传感器部分由一个晶体管温度传感器和一个半导体压力传感器组成，可由2.3 mW.>的光输入驱动

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A sensor powered by pulsed light (for gas density of GIS)

High optical/electrical energy conversion efficiency was achieved in an optical power supply system which drives a sensor by the optical energy supplied through an optical fiber cable from a laser diode, succeeding in supplying electric power over a distance of 1 km. By matching the impedances of load and of a photodiode, while converting pulsed light into electrical signals with the photodiode and boosting with a transformer, a high optical/electrical energy conversion efficiency of 14.8% was obtained. This power supply method was applied to a sensor for measuring the gas density of extrahigh-voltage substation gas-insulated switchgear (GIS) which can display the merits of an optical-transmission sensor. The sensor section of the gas density sensor, consisting of a transistor temperature sensor and a semiconductor pressure sensor, could be driven by an optical input of 2.3 mW.<>

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来源期刊

TRANSDUCERS '91: 1991 International Conference on Solid-State Sensors and Actuators. Digest of Technical Papers

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