开关角 meaning in English
switching angle
Examples
- Using the method of firing angle prediction , steady sinusoidal output voltage with low harmonic level can be generated
通过开关角预置方法，叠加出谐波含量低的稳压正弦波输出。 - Tested by pspice simulation and small power experiment , the designing project " adjusting output voltage by changing on and off time of the spwm " is practical
经pspice软件仿真和小功率电路实验证明， “通过改变开关角而实现调节输出电压”的闭环设计方案是可行的。 - The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage , power loss and torque pulsation of the system are decreased by controlling the switch angles
它运用规则采样法产生正弦脉宽调制波，通过开关角的控制抑制逆变器输出电压中的谐波分量，降低了电动机的损耗和转矩脉动，使电动车的运行性能得到了较大改善。 - In course of the simulation of mathematical model , this paper analyses and calculates quantitatively the key variables of torque pulsation , that is electromotive force wave and current wave , and tables a proposal through controlling the angle of pwm supply voltage , at the same time the results are given
在数学模型的动态仿真求解中，对电机转矩产生的关键量?电动势波形和电流波形进行分析研究和定量计算，并提出通过控制pwm电压的开关角来降低转矩脉动的方法，同时给出仿真结果。 - This paper discussed the theory of switching - node preset optimal spwm detailedly , and got the solution of 9 waves , 13 waves , and 17 waves switching - node preset optimum spwm control strategy . furthermore , by means of raising the switching frequency , the quality of output voltage can be promoted , the resonate frequency of output filter can also be raised , which made the inverter smaller volume and lighter weight and more efficient
本文首先对开关点预置最优spwm控制策略进行了深入研究，分别求解出了九块波、十三块波、十七块波等情况下的最优spwm控制的开关角，并讨论了在提高开关频率之后进一步优化输出滤波器设计，在保障系统效率的前提下，提高输出波形质量和减小滤波器的体积重量。