事实上,电压的测量比电流的测量用的更多。
In fact, voltage measurements are used much more often than current measurements.
利用电子补偿方法,采用运算放大器和晶体管研制成了高精度、小变比电流互感器误差补偿装置。
Based on electronic compensation, the error compensation device used in high precision and small ratio current transformers is developed with operational amplifiers and transistors.
通常这种热-电转化方式是利用热电偶实现的。 热电偶由两层不同的金属构成,其中一层比另一层温度高时就在两层金属间产生电流。
The usual way to do this is with a thermocouple—a sandwich of two metals that produce a current when one side of the sandwich is hotter than the other.
该系统产生的电流为直流电,所以用来驱动本地的直流点装置比将其转化为交流电输入电网来的更有效率。
The system generates a direct current, so using it to power DC devices locally is more efficient than switching to the alternating current needed to feed it back to the grid.
由于有机发光二极管本身能通过电流使有机化合物发光,不需要背光照明,因此可以做得比液晶显示器更轻、更薄,更有柔韧性。
Because OLEDs do not need to be backlit-they get their lighting from organic compounds that emit light in response to electric current-they can be thinner, lighter and more flexible than LCDs.
ICDs比心率调整器更先进更复杂,它可以利用小型计算机来感觉电流,对心脏进行监控以决定何时采取治疗性电击。
ICDs are considerably more advanced and complex than pacemakers and use small computers to sense electrical activity, monitor the heart and determine when and how to apply a therapeutic shock.
介绍了一种可用于检测电流互感器变比的测试仪。
The development of a ratio tester for current transformer is introduced.
在低电力模式,USB 3.0提供了150mA的电流,这比USB 2.0还增加了100mA。
In lowpower mode, USB 3.0 provides 150 mA, an increase from 100 mA in USB2.0.
结果显示,它的活性物质的利用率在大电流放电时比普道碱锰电池的要高。
The utilization of the active materials was higher than that of conventional alkaline manganese dioxide battery during high current discharge.
发热部是双螺旋切槽,在电流通过时可以减少其横截面积,因而发热部的阻值比冷端部的阻值大。
The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.
如果这时的电流比要测量的电流大得多,那么系统中一定存在着寄生泄漏通路,必须将其纠正。
If there is significant current compared to the current to be measured, there must be a stray leakage path, which should be corrected.
第一级传动齿可变,驾驶员可根据电流与磁场情况来改变齿数比。
Gears of first stage are changeable so that the operator can change the gear ratio based on current field condition.
细导线的电阻比粗导线的电阻大,它阻碍电流通过,因此变得很热。
A thin wire has a higher resistance than a thick one. It tries to stop the flow of current. Then it gets very hot.
用较简单的电路形式实现了低功耗和高电源抑制比的PTAT电流产生电路和CTAT电流产生电路。
We obtained PTAT and CTAT current generator with low power consumption and high PSRR, which in a simple circuit structure.
数字电流表以最大载荷百分比的方式显示了实际载荷的大小。
Digital ampere meter showing load in percent of Max load of drive motor.
结果还表明,当在二次侧三相系统接入文中提出的特殊滤波器时,谐波电流比用常规两相滤波器降低约28%。
The results also indicate that when special filters are connected to secondary three-phase system, the primary harmonic currents decrease by about 28% than by using conventional two-phase filters.
文中给出了电流效率和比能耗。
Current efficiency and specific energy consumption were given.
极化曲线外推法和电化学阻抗研究都表明纳米晶铜的腐蚀电流比微米晶铜高,而极化电阻要低。
Both the Tafel plots and EIS study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart.
在I-V特性曲线上具有双微分负阻的三稳态共振隧穿器件,室温下可以达到较高的电流峰谷比5。
The tristable resonant tunneling devices(RTD)with a double negative differential resistance in its I-V characteristics have a high current ratio(5.
对加速性应力试验,所选的负载电阻要能够吸收比电源额定值较高的电流。
For accelerated stress testing, the load resistance may be selected to draw a level of current higher than the rated current of the power supply.
电压、电流、比功率等输出特性是燃料电池的重要指标。
The output performance, such as voltage, current, power density, is a very important characteristic for the fuel cell in real usage.
讨论了电流电压比的概念。
A concept about ratio of current and voltage is also discussed.
模拟结果解释了实验观察到的雪崩击穿现象,并表明电子电流比空穴电流提前饱和。
The results explain the experimental observed phenomenon and demonstrate that the current contributed by electrons is saturated earlier than the hole current.
请注明电流互感器型号、额定电流比、准确度等级、额定容量及安装方式等。
Please specify the current transformer model name, transformation ratio, accuracy class, rated burden, required installation method, when placing a purchaseder.
在四电极系统中在一定束能量下改变电场强度比仅轻微地改变束电流。
In a four-electrode system, changing the electric field ration only slightly changes the ion beam current at a certain beam energy.
在四电极系统中在一定束能量下改变电场强度比仅轻微地改变束电流。
In a four-electrode system, changing the electric field ration only slightly changes the ion beam current at a certain beam energy.
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