Combined with researches on propagation characteristics, the micro-current sensor for on-line PD monitoring is developed and the effects of coil number, stray capacitance and loading resistance on pass-band and sensitivity are also studied.
同时，结合传播特性，研究了局部放电在线监测宽带微电流传感器，并就线圈匝数、杂散电容和负载电阻等对传感器通频带、灵敏度等性能参数的影响进行了分析。
参考来源 - 变压器局放信号传播特性及小波包熵阈值法去干扰的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The anomalous variations of micro-current before this two earthquakes are obvious. The anomalous amplitude is 10~20 times higher than that of ordinary background.
大地微电流在这2次地震前具有明显的异常变化，其异常幅度达正常背景值的10~20倍。
The system includes constant potential circuits, micro-current detection circuit, controller and its peripheral circuits as well as the communications with the PC.
该系统包括恒电位电路、微电流检测电路、控制器及其外围电路以及与上位机的通信。
Five nanogenerators working together produced about 1 micro ampere output current at 3 volts about the same voltage generated by two regular AA batteries.
5个纳米发电机同时工作可以产生1微安培3伏特的输出电流，与2节普通的5号电池所产生的电压差不多。
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