光纤传感技术在煤矿电参数测量中的应用
Application of Optic Fiber Sensing Technique in Coal Mine Electric Parameters Measuring
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摘要: 介绍了光纤电压、电流传感器在煤矿中的应用，在工频电压４～６ｋＶ和工频电流１００～１０００Ａ条件下验证了该光纤电参数传感器电压误差小于１％、电流误差小于３％。指出了提高电流检测精度是提高光功率、降低前放噪声及有效收集磁场的有力措施Abstract: The paper introduces the application of optic fibre voltage,current sensor in coal mine.At industrial frequency voltage of 4￣6kV and current of 100￣1000A it is verified that voltage error is less than 1% and current error less than 3% of optic fiber electric parameters sensors.It is pointed out that improving current detection accuracy is the powerful way to improve optic fiber and decrease pre amplifier noise and collect magnetic fields efficiently.
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Key words:
- optic fiber sensor, voltage, current /
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