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Accurate voltage measurement is very important for power energy measurement. To reduce the total error of power energy measurement, a novel voltage measurement system is designed in this paper. The system uses Digital Signal Processor (DSP) to accomplish signal acquisition and processing, and uses optical fiber to realize zero voltage drops in long distance transmission. The results of expriment show...
The influence of photoconductivity upon operation of a Bi12TiO20-based optical voltage sensor is reported. We have demonstrated, that the presence of photoconductivity defines non-uniform sensitivity of the sensor in the cross-section of an infrared light beam. The sensitivity of the sensor is shown to depend on the intensity of light as a consequence of photoconductivity of a crystal. An agreement...
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