A device that senses and stores the instantaneous value of an analog signal.
一种检测和存储模拟信号瞬时值的设备。
The common methods of current measurement for motor are presented, for example, instantaneous value measurement, integral measurement, etc.
同时阐述了电动机电流测定的常用方法，如瞬时值的测定，积分测定等。
The tester designed can be used to measure the parameters, such as power factor, effective value of voltage and current, instantaneous value, etc.
所设计的电网参数测试仪可以测量功率因数、电压和电流的有效值、瞬时值等参数。
The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.
应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.
频率调制：载波的频率依照调校讯号的瞬时值而改变的一种调制。
A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。
A new transformer protection principle based on two-instantaneous-value-product algorithm to extract the feature of fundamental current amplitude is put forward in this paper.
提出了一种基于两采样值积算法快速提取基波幅值变化特征的变压器保护新原理。
应用推荐