纹波系数

文章指出，采用十二脉波可控整流电源作为试验电源，其纹波系数能满足试验要求。

In this paper , it is pointed out that the ripple factor will meet the test demands by choosing 12 pulsating wave controlled rectifying power supply as the test supply .

给出了计算负载电压有效值、电压纹波系数及各次谐波电压幅值的计算公式；

Calculation formulas of SCR turn on angle , virtual value of load voltage , average of load voltage , voltage ripple factor and amplitude value of arbitrary order harmonic voltage are presented in this paper .

PPM量级纹波系数的光电倍增管恒流源

A constent current source for photomultiplier with ripple factor as low as several ppm

该滤波器在时域及频域上的性能已在C模拟器上经过验证，能够达到纹波系数小于0.00007dB，阻带衰减大于112dB。

The filter has been verified by a C simulator in time and frequency domain , with the passband ripple of 0 . 000 07 dB and stopband attenuation of 112 dB .

实验结果表明，输出电路纹波系数增加将导致光输出波动增大，但不同纹波系数对光输出波动的影响在高频（10kHz）驱动情况下减弱。

The experimental results show that the output circuit ripple coefficient increases will lead to light output fluctuation increased , but the different impact of light output ripple coefficient is weaken under high frequency driver condition ( 10kHz ) .

纹波系数不大于0.5%，整个电源效率在85%以上。

The efficiency of the power-supply system is more than 85 % .

系统地分析了变换器的稳态工作特性，电感电流、电容电压纹波系数。

The dissertation also presents the main steady characteristics , the ripple of current through inductor and voltage across capacitor .

实验运行表明：该装置输入功率因数高、输出电压稳定、纹波系数小。

The experimental result shows the power supply has high input power factor , stable output voltage and small ripple .

实验表明：该系统能提供（0-2.5）A长期恒定的电流，纹波系数小于0.1%；

Tests show that this system can achieve a long time stable current of ( 0 ~ 2.5 ) A for LD .

对一台实际应用的工业装置的测试表明，其电流纹波系数达到了1×10-5。

Tests of a practical industrial device with the DC active power filter show that its ripple achieves 1 × 10 - 5 .

由于电路简单、体积小、纹波系数小，因而在精密测量领域具有广泛的应用前景。

Because of this simple circuit , small size and low ripple quotient , it can be widely used in the field of precise measurement .

程控交换机电源性能的好坏直接影响通讯质量，它要求电源具有稳定度高，小于2%的电压变化率，纹波系数小等特点。

The characteristic of power supply is a main factor that effects the quality of communication . The power supply should have high voltage stabilization , lower than 2 ?

可控硅和磁饱和恒电位仪体积较大、纹波系数较大、控制精度较差，效率较低（低于70%）不易实现数字化。

For SCR and magnetic saturation potentiostat , larger volume , larger ripple quotiety , less control accuracy and less efficient ( less than 70 % ) is not easy to digitize .

该电源系统采用了变频技术、高压π型滤波技术和闭环控制及多路输出，使电源的稳定性和纹波系数达到了较好水平。

The power system adopts the techniques of frequency conversion high voltage π type wave filtering closed-loop control and multi-channel output , making the power stability and moire coefficient reach good level .

设计制做的行波管测试电源，通过总装验收，已经应用于行波管测试台上，效果良好。尤其在调整灵敏度，纹波系数，稳定性方面，在国内，处于领先地位。

We have obtained good results , Especially in the aspects of adjustment sensitivity , ripple coefficient and stability coefficient , the TWT test power supply are in a leading position in China .