电压利用率 meaning in English
voltage utility factor
Examples
- In addition , the c1ose - - 1oop cofltro1 part is devised , u1timate1y getting the pure sine wave with high rate of voltage use and 1ow distortion of harmonic wave
此外，还设计了闭环控制环节，最终得到具有高的电压利用率和低谐波失真的纯净的正弦波。 - Space vector modulation technology with many advantages relative to spwm , such as nice dynamic response ability , high utilization ratio of dc bus voltage , and convenience of composing digital control system , is adopted to control the asvg
由于电压空间矢量调制（ svpwm ）具有动态响应速度快、直流侧电压利用率高以及便于数字化控制等优点，故以此作为asvg的控制方法。 - The system had auto startup and stop function by software . the dsp based motor control system had lower current harmonic , more efficient use of supply voltage than spwm , less switch loss . on the other hand , this system make a lower noise for the pwm modulation . frequency is up to 20khz
本系统实现了电机的软启动、软关断功能，电机电流的谐波失真较少，电压利用率比常规的正弦波脉冲宽度调制( spwm )有了较大的提高，器件的开关损耗也得到了明显的减少。 - People can easily design the hysteresis current control hardware circuit , but the switching frequency is variable which makes us difficult the design the output filter , moreover the output waveform is not good . the space vector modulation techniques , by selecting the zero vector properly , it can reduce the harmonic content of the output voltage , so it has become a popular control method
滞环电流控制的硬件电路设计简单,但存在开关频率不固定,输出滤波器设计困难,输出波形质量差,空间矢量控制( svm )技术具有较高的电压利用率,且通过对零矢量的合理控制可以降低谐波含量或降低开关损耗,因此是一种较好的控制方法。 - An algorithm based on the inner structural feature of the 8 - bit single chip microprocessor is presented to perform the space vector modulation , it is high efficiency in voltage - utilizing , low harmonic losses , fast in calculation speed , simple in over - modulation method , high ratio of capability to price
介绍一种用8位专用单片机内部结构特征而设计的空间矢量调制算法，不但具有电压利用率高、谐波损耗小等优点，还具有计算速度快、过调制处理方法简洁、性能价格比高等优点。