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1·AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.

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。

2·The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.

变换器1被控制为一个基波正弦电流源，变换器2被控制为一个可控电压源。

3·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.

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)。

4·The electrical characteristics of the DBD type ozone generator powered by sinusoidal current source are analyzed on the basis of this equivalent circuit.

对正弦波电流供电DBD型臭氧发生器的电气特性进行了深入研究。

5·The second part is to design the sine wave networks circuits which is composed of sinusoidal current source array and switches, current to voltage converter (I-V converter), two staged LPF, etc.

二是正弦波网络：主要包括正弦量化的电流源整列和开关网络，电流电压转换器，二阶低通滤波器；

6·In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.

本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。

7·By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.

通过采用时变调制比的方法，可以消除不对称输入电压的影响，从而获得对称正弦输出电压或输入电流。

8·In the multiple-loop control strategy for sinusoidal inverters based on load current feedforward, delay of the feedforward directly impacts the system's performance.

在基于负载电流前馈解耦的正弦波逆变器多环控制策略中，负载电流前馈作用的延迟直接影响着系统的性能。

9·Adopting sinusoidal instantaneous voltage and current, a new algorithm for measuring sinusoidal electrical parameters has been put forward.

提出了一种利用正弦交流电压和电流的瞬时值测量正弦交流电参量的新算法。

10·The measurement principle of the average power for non sinusoidal period current circuit is introduced in this paper.

介绍了非正弦周期电流电路的平均功率测量原理。