But the effect of ac current on I_V characteristics is weaker, and probably closer to the intrinsic effect.
但横向交流电流的调制效应较小，可能更接近本征的效应。
The suppression role of the ac current on the MHD perturbations was analyzed in theory and proved numerically.
关于交变电流对MHD扰动的抑制作用，从理论上作了分析并从数值上加以证明。
A DC voltage outer loop control for power balance and PI correction and an ac current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage.
通过直流电压外环的功率平衡控制及比例积分校正，配合内环并网电流反馈控制，使并网逆变器在保持并网电流质量的同时更好地控制直流电压。
A generator system that includes a three-phase ac machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the ac current from the machine to a DC current.
高效发电机。一种发电机系统包括三相ac电机和应用低导通电阻MOSFET开关的有源整流器电桥，用于将来自电机的AC电流转换为DC电流。
A new way to generate stable ac current is found with feed back control system by single chip microcomputer. So a new high power ac current regulator is developed.
再用单片机组成反馈控制系统，从而找到了交流稳流的新方法，研制出一个大功率交流稳流电源。
交流电流源或电压源。
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
Finally, the skin effects of AC current leads are analyzed and discussed.
对交流电流引线的趋肤效应进行了分析和讨论。
AC current meter PA1: indicating primary current of rectifier transformer.
交流电流表pa 1：指示整流变压器一次电流。
An electrical power transformer that converts 220-250 volts AC current to high voltage DC.
一个把220 ~ 250伏交流电转化成高压直流电的变压器。
A new system of inverter for arc welding is introduced in this paper, which gives medium frequency AC current.
本文介绍了一种新型交流逆变式弧焊电源。
Ac current probe act as a current transformer which the core can be opened and clamped on a current carrying conductor.
交流电流探头是利用电流变压器的原理来测试电流的﹐它的中心部分可以打开和卡紧在有电流流过的导线上。
But under fault condition, the system current is greater than the current of equivalent AC current source and the limiting resistance take effect immediately.
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。
The main circuit configuration of SVG is based on topology configuration of PWM 4-quadrant converter, AC current of PWM converter can work in 4-quadrant, so do SVG.
SVG主电路结构是基于PWM变流器的拓扑结构，PWM交流器可以在四象限运行，所以SVG亦可在四象限运行，从而达到为系统提供无功功率的目的。
Current compensation superconducting fault current limiter is a novel topology of FCL which consists of an equivalent AC current source with a limiting resistance in parallel.
电流补偿型超导限流器是一种新型的限流器拓扑，它由等效电流源、限流电阻并联后通过连接变压器串联入电力系统。
However, when the hi terminal of the electrometer is connected to the low impedance power supply, this AC current (I) flows through the electrometer (im), as illustrated in Figure 2-41.
然而，如果静电计的HI端连到电源的低阻端，则该交流电流(i)就流过静电计(IM)，如图2 - 41所示。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
By getting the direction function from the output AC current, the applied time of voltage vectors in one PWM period was chosen, the direction of central current was controlled for DC voltage balance.
该方法通过实时检测三相交流输出电流方向得到方向函数，利用该函数选择一个PWM周期内不同电压矢量作用时间来控制中点电流的方向，实现电压平衡。
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