这个效应可以在时间域通过观测电压的衰变率来测量,也可以在频率域通过正弦电流和电压之间的相变来测量。
This effect can be measured in either the time domain by observing the rate of decay of voltage or in the frequency domain by measuring phase shifts between sinusoidal currents and voltages.
利用HIOKI3164和TOPVIEW31分析软件,可对交-直-交变频器中电压、电流、功率、频率进行准确测量,不论它是不规则波形还是畸变波形。
In AC-DC-AC VVVF, We can accurately measure voltage, current, power and frequency with The HIOKI3164 and TOPVIEW31 analysis software, even if the wave is irregularities and distortion.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性,如弛豫频率,谱线宽度,阈值电流,模式跳变及输出光功率是否稳定等。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
高精确电压和电流的高频率测量是困难的。
Accurate high frequency measurements of high voltages and currents are difficult.
对电机需在满载时连续运转一小时,在试验期间请测量它的输出,温度,电压,电流,频率。
The generator must run continuously ay full load for hour. During the test, please measure its output, temperature, voltage, current, frequency, ect.
它可对直流电压、直流电流、电阻及频率进行直接测量。
It can DC voltage, DC current, resistance and frequency of direct measurements.
提出了一种基于综合相量幅值和相位变化规律实时测量电力系统振荡中振荡频率及瞬时频率的算法,利用三相电流经相应变换获得综合相量。
An algorithm based on the magnitude and phase Angle of the generalized phasor to measure instantaneous frequency and swing frequency while the power swing occurred is presented.
在电力系统中常常需要对两个同频率信号(如工频电压和工频电流)之间的相位关系进行准确的测量。
The phase difference often needs to be measured between two signals with the same frequency in power system, such as power voltage and power current signals.
文章通过对直线电机在各种条件下所受的法向力与垂直力的测量,得出一系列电流-法向力、垂直力,频率-法向力、垂直力曲线,推出直线电机静态特性,并对其进行了理论分析。
In this papers, I drew a series of thrust and vertical force curve of linear motor by measure them in vary condition. Then, its static characteristic is gained and a theory analysis is made.
测量功能:高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度;2路脉冲量输入实现外部电度表自动抄表;
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能:高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度;2路脉冲量输入实现外部电度表自动抄表;
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
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