矢量式 meaning in English

vector expression
vector form
vector mode

In the end , the experiment on a single - phase motor with symmetrical windings is made by the inverter . experimental results verify the feasibility of the voltage - vector pwm method of variable frequency control for single - phase motor
最后，利用制作的单相变频器对绕组对称的单相电机进行了变频调速实验，实验结果验证了单相电动机电压矢量式pwm变频调速控制方法的可行性。
In this paper , according to the equation of voltage vector of single - phase motor operating at symmetrical condition , author presents a new voltage - vector pwm method of variable frequency control for single - phase motor . in system , the voltage vector is used as a control parameter
本文根据单相电动机对称运行时的合成电压矢量方程，提出了以合成电压矢量为控制量的单相电动机电压矢量式pwm变频调速控制方法，并进行了计算机仿真及制作了单相变频器。