非线性负载会形成非正弦电流,如方波,其中包含谐波成分。
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
例如,电弧炉就是一种非线性负荷,因为加上正弦电压后,它将形成非正弦电流(大量谐波)。
For example, an arc furnace is nonlinear since it will draw a no sinusoidal current (rich in harmonic's) when a sinusoidal voltage is applied.
该算法考虑了RL电路中的暂态电流,假设暂态电流含有一个按正弦规律变化的周期分量和一个按指数规律变化的非周期分量。
RL circuit is taken into consideration, in which the transient current signal includes a period component varying in sinusoidal waveform and a non-period component varying in exponential waveform.
由功率四边形进一步确立了非正弦交流电路中的电流四边形和导纳四边形,以及它们和功率四边形的相似关系。
Further, the current quadrilateral and admittance quadrilateral, as well as their similarity to the power quadrilateral in non-sinusoidal alternating-current circuits were derived.
以通用瞬时无功功率理论为基础,阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
介绍了非正弦周期电流电路的平均功率测量原理。
The measurement principle of the average power for non sinusoidal period current circuit is introduced in this paper.
该文论述了负载电流为非正弦波时功率因数测量的新方法。
This paper presents a new method for measuring the power factor in nonsinusoidal load current.
电机传动系统大都采用变频器供电,输出的是非正弦电压、电流,其在电机中产生非正弦磁场。
The motor drive system almost all use inverter supply power, which output non-sinusoidal voltage-current and produce non-sinusoidal electromagnetic field.
然后从理论上研究了电流传感器测量误差和非正弦磁场分布对永磁同步电机转矩波动的影响。
Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.
即使在三相正弦激励的作用下,三相线电流也将发生非正弦畸变,产生谐波电流。
Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.
虽然效率可以提高,当正弦波通过非线形载荷,正弦波失真出现,然后谐波电流通过负载。
Though the efficiency can be enhanced when sine wave passes through non-linear loads, the sine wave distortion appears, and then harmonic current passes through loads.
DC开关变换器非线性程度很高,输入电流为非正弦形式,功率因数极低。
AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.
该装置用真有效值电路检测非正弦焊接电流值,用中断和定时计数器实现了可控硅的精确触发。
The measuring circuit for RMS of non-Sin welding current and the precise triggers of SCR using interrupt controllers and timers in AduC812 MCU are also described.
该装置用真有效值电路检测非正弦焊接电流值,用中断和定时计数器实现了可控硅的精确触发。
The measuring circuit for RMS of non-Sin welding current and the precise triggers of SCR using interrupt controllers and timers in AduC812 MCU are also described.
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