交流电流源或电压源。可指定直流偏移。
而交流电流增益退化缓慢。
将直流变为频率可调的交流电流就称逆变。
The DC into AC current adjustable frequency that the inverter on.
心脏的搏动在其周围组织中感应出交流电流。
The beating of heart induces alternating currents in the surrounding tissues.
交流电流源或电压源。
交流电流源或电压源。
对交流电流引线的趋肤效应进行了分析和讨论。
Finally, the skin effects of AC current leads are analyzed and discussed.
只有高于某些频率的交流电流才能被准确的测到。
Only AC current above certain frequency can be measured accurately.
可控硅控制的一半施加到其的交流电流的正周期。
The SCR controls half of the positive cycle of alternating current applied to it.
这种高频交流电流产生前一章提到过的高频无线电波。
This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter.
阳极电流效率随交流电流密度的逐步增大而明显下降。
The current efficiency of the anode significantly dropped with the increasing ac density.
但横向交流电流的调制效应较小,可能更接近本征的效应。
But the effect of ac current on I_V characteristics is weaker, and probably closer to the intrinsic effect.
毫安夹非常适合测量小直流电流和交流电流的值为1毫安。
The milliampere clamp is very well suited for the measurement of small direct and alternating currents as of a value of 1 ma.
交流电动机——用交流电流来转动的电动机叫交流电动机。
AC motor - with AC current to the motor rotation is called AC motors.
整流器;整流管一种将交流电流转化为直流电流的装置,如二极管。
A device, such as a diode, that converts alternating current to direct current.
系统测试项目有多路高频交流电流,直流电流,频率,逆变器的效率等。
The system may measure many circuits high - frequency alternating current , direct current , frequency, efficiency of inverter .
电力负载可以分作三种类型:交流岱电压吸收负载或交流电流吸收负载。
Electrical loads can be of three types: impedance load, AC voltage sink load or AC current sink load.
故障后,系统电流值远大于等效交流电流源值,限流电阻立刻自动投入限流。
But under fault condition, the system current is greater than the current of equivalent AC current source and the limiting resistance take effect immediately.
当输入交流电压为额定值的下限时,输出电压负载满载,最大输入交流电流2.5A。
5Arms max At any input voltage and rated, DC output rated load.
本发明直接对交流电流进行采集和判断,缩短了信号采集时间和电流过流时的保护时间。
The method and the device acquire and judge the alternating current directly, shorten the signal acquisition time and the protective time during overcurrent.
现代的感应电动机一般是定三个(或更多)定子线圈,每个定子线圈单独通以交流电流。
Modern AC induction motors usually have three (or more) sets of stator windings, which smooths things out and allows more torque to be generated.
如果你有一个相当可靠的水和持续不断的,体积流量然后一交流电流(AC)电源的可能性。
If you have a fairly reliable and constant, high-volume flow of water then an Alternating Current (AC) supply is a possibility.
阐述了永磁同步电机的矢量控制原理、准线性化解耦,交流电流控制方式和伺服增益调整方法。
The vector control principle of the PMSM, the realization of the current control for SPWN inverter by quasi-linear decoupling, and a comparison between the AC and DC current control are described.
针对这部分的管路,须查出有严重危害的感应交流电流,并通过常用的方法去降低感应的电压。
Those sections of the pipeline at risk from significant induced AC shall be identified and a general method for mitigating induced voltages in these sections shall be given.
这种新型电流比较仪实际上包含了自平衡直流比较仪和电子补偿式交流电流互感器的所有功能。
The improved AC/DC comparator consists of a self balancing DC comparator and an electronically compensated AC transformer.
一种机电一体化交流电流采集单元,它适用于发电站、输变电站以及工业用电设备的测控设备中。
The invention provides an electromechanically integrated a. c. sampling unit applicable to measuring and controlling systems for power plant, substation and industrial electric equipment.
斯潘电力电子设计的权力中心,以转换各种工业应用广泛,交流电流的直流和抵御甚至最苛刻的环境。
Spang Power Electronics designs power centers to convert AC current to DC for a wide variety of industrial applications and to withstand even the harshest of environments.
当电压表测量探头2和探头3之间的电压降时,该交流电流在r3上产生的电压降就会引起错误的结果。
The resulting voltage drop across r3 will cause erroneous results when the voltmeter measures the voltage drop between probes 2 and 3.
当电压表测量探头2和探头3之间的电压降时,该交流电流在r3上产生的电压降就会引起错误的结果。
The resulting voltage drop across r3 will cause erroneous results when the voltmeter measures the voltage drop between probes 2 and 3.
应用推荐