An optical current transducer (OCT) with a bulk type Faraday sensor demonstrated 0.3% class accuracy for metering at a TVA substation. The Faraday sensor had Bi/sub 12/SiO/sub 20/ (BSO) single crystals with right and left optical rotatory power to cancel out temperature dependency. A prototype 161 kV OCT installed in a TVA substation verified 0.3% class performance. The OCT had the Faraday sensor, a gapped magnetic iron core, a 1.6 m optical insulator, and an optical interface.
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机译：具有体型法拉第传感器的光电流传感器（OCT）在TVA变电站中的计量精度达到0.3％。法拉第传感器具有Bi / sub 12 / SiO / sub 20 /（BSO）单晶，具有左右旋光能力，以消除温度依赖性。安装在TVA变电站中的161 kV OCT原型验证了0.3％的等级性能。 OCT具有法拉第传感器，带间隙的磁性铁芯，1.6 m的光学绝缘体和光学接口。
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