Devices called synchrophasors can sample voltage and current 30 times a second or faster-giving utilities and system operators a far more accurate view of the health of the grid.
而被称为“同步向量”的设备能以一秒30次或更快的速度采样电压和电流——向电力公司和系统操作员提供有关电网健康状况的信息更为精确。
The system includes a Model 6220 Current Source to supply the current through the sample and a Model 2182A Nanovoltmeter to measure the resulting voltage drop.
该系统包括用来提供流过样品的电流的6220型电流源和用来测量产生的电压降的2182A型纳伏表。
The tester with DSP core could get excellent results by judging and adopting the different value of voltage and current, programmed amplifying and changing the frequency of sample.
系统以DSP为控制核心，可自动识别并适应不同的电压和电流等级，采用程控放大、变化采样频率以获得优化的阵列测试效果。
The system can automatically determine the sample breakdown and collect the breakdown voltage data and leakage current, and can quickly reduce the automatic return to zero at the same time.
系统能够自动判别试样击穿并采集击穿电压数据及泄露电流，同时能够在击穿的瞬间电压迅速降低自动归零。
The system can automatically distinguish the sample breakdown and breakdown voltage andleakage current data acquisition, and can rapidly reduce auto zero at the moment of the voltage breakdown.
本系统能够自动判别试样击穿并采集击穿电压数据及泄露电流，同时能够在击穿的瞬间电压迅速降低自动归零。
The influence of some conditions of mass spectrometer such as trap current detector voltage and the amount of sample on the accuracy and repeatability of the quantitative analysis are discussed.
质谱定量分析方法的重复性一直受到人们的关注，本文对影响重复性的一些仪器条件进行了探讨。
With regards to the hardware design, we use the CPLD and DSP to control the ADS7864, which can sample the six signals of voltage and current at the same time;
硬件设计方面，根据电力系统中数据采集和处理的实际特点，用CPLD和DSP控制可对六路同时采样的高速A／D转换器ADS7864来完成六路信号的数据采集；
Finally, the operation principle of Zero-voltage and Zero-current-switching PWM three-level converter is validated by the simulation analyze and the debugging experiment of 50V/20A sample device.
最后，通过仿真分析和对50V/20A样机的调试实验，验证了零电压零电流移相控制PWM三电平直流变换器的工作原理。
With regard to the hardware design, we use the CPLD and DSPs to control the ADS7864, which can sample the six signals of voltage and current at the same time;
硬件设计方面，根据柴油发电机组数据采集和处理的实际特点，用CPLD和DSP控制对六路同时采样的高速A／D转换器ADS7864来完成六路交流电信号的数据采集；
With regard to the hardware design, we use the CPLD and DSPs to control the ADS7864, which can sample the six signals of voltage and current at the same time;
硬件设计方面，根据柴油发电机组数据采集和处理的实际特点，用CPLD和DSP控制对六路同时采样的高速A／D转换器ADS7864来完成六路交流电信号的数据采集；
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