The XLPE cable insulation fault on line monitoring system designed in this paper abides by modularization, hierarchical, having great scalability and small current measure reference function.
本文所设计的XLPE电缆绝缘故障在线测量系统,遵循模块化、层次化,具有良好的可扩展性和小电流检测的参考作用。
To measure voltages, the current taken by the instrument must be small.
要量度电压,仪表通过的电流必须小些。
If the instrument is being used to measure a small voltage drop resulting from the flow of current through a resistor, the following procedure will result in a proper zero.
如果用仪器来测量电流流过一个电阻器所产生的小电压降,那么采用下述的方法可以得到合适的零点。
Sensitive Galvanometer, Model J0409, is suitable for the laboratories of middle schools and polytechnic schools to measure small electric current and electric potential difference.
J0409型灵敏电流计适用于中学、中专等实验室测量直流电路中微小电流和微小电势差。
In order to improve the precision of electric current transducer used to measure small current, the sensing head must be optimized, mainly to resolve difficulty of phase compensation for sensing head.
为了提高用于小电流测量的电子式电流互感器的精度,必须对传感头进行优化,主要解决传感头的相位补偿问题。
It can not only measure DC current magnetic field but also alternative current magnetic field. This system has small volume, high capability, and wide frequency range.
本智能磁场测量系统既适合测量直流磁场,又可测量交变磁场,且体积小,性能高,适用频率范围宽。
Classic scheduling benchmark problem test shows:the self-adaptive measure can efficiently keep current populations diversity, can use very small population size; shortest idle time .
针对作业车间调度问题,提出了最小化空闲时间的处理过程及其变异算子,设计了一种自适应遗传算法。
Classic scheduling benchmark problem test shows:the self-adaptive measure can efficiently keep current populations diversity, can use very small population size; shortest idle time .
针对作业车间调度问题,提出了最小化空闲时间的处理过程及其变异算子,设计了一种自适应遗传算法。
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