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Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation
Optical fiber current transformer with optical fiber temperature acquisition and temperature compensation
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机译:具有光纤温度采集和温度补偿的光纤电流互感器
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摘要
An optical fiber current transformer includes a broadband light source, a depolarizer, a beam splitter, a temperature acquisition unit, a current acquisition unit, a modulation waveform generating unit, a data processing unit and a calculating compensation unit. The broadband light source is connected with the beam splitter by the depolarizer. A first output of the beam splitter is connected with the calculating compensation unit by the temperature acquisition unit. A second output of the beam splitter is connected with the data processing unit by the current acquisition unit. The data processing unit is connected with the calculating compensation unit. The calculating compensation unit is connected with the current acquisition unit by the modulation waveform generating unit. The optical fiber current transformer uses the temperature-current compensation curve in the calculating compensation unit to synchronously process the temperature and current, thereby improving the accuracy of real-time current measurement.
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