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- error voltage vector 误差电压矢量
- This error voltage is known as contact potential or offset voltage. 该误差电压就是所谓的接触电势或偏移电压。
- Using spatial distribution between current error vector and the reference voltage vector,this method gives the best voltage vector to minish current error control in the reasonable scope. 该方法利用电流误差矢量与参考电压矢量之间的空间分布给出最佳的电压矢量输出,使电流误差控制在合理的范围之内。
- In conventional SVM-DTC, two PI controllers are used to generate the two components of reference voltage vector. 传统SVM-DTC中使用两个PI控制器来产生参考电压矢量的两个分量。
- This paper introduces the block diagram of NPC three-level inverters and the principle of space voltage vector control. 介绍了二极管中点箝位型三电平逆变器主电路的结构和空间电压矢量控制的原理。
- In this paper,we present a frequency conversion electromotor system organized by voltage vector transducer and induction-motor. 本文研究了用电压矢量变频器和感应电动机构成的变频电动机系统。
- In contrast, the unguarded error voltage with this combination of source and shunt resistances would be about 9%. 相反,在同样的源和分流电阻情况下,不采用保护技术时的误差则大约为9%25。
- According to the model of five-phase induction motor and basic principle of DTC,the reference voltage vector was deduced. 根据五相感应电机模型和DTC基本原理,推导出参考电压矢量。
- Transformation matrixes of voltage vector and its dwell time between two-level and arbitrary-level inverters are derived. 推导出任意电平和两电平之间的电压矢量及其作用时间变换矩阵。
- Thus, we see the loading error with guarding is less than 0.001%. In contrast, the unguarded error voltage with this combination of source and shunt resistances would be about 9%. 这样,我们就看到采用保护技术时,负载误差小于0.;001%25。相反,在同样的源和分流电阻情况下,不采用保护技术时的误差则大约为9%25。
- Study on the the control effect of zero voltage vector in DTC and a modified strategy of DTC of PMSM. The simulation experiment results show that they could restrain torque ripple availably. 研究了零电压矢量在直接转矩控制中的作用和一种改进的永磁同步电机直接转矩控制策略,仿真结果表明将零电压矢量引入控制和改进的策略都能明显抑制系统转矩脉动。
- This method that more voltage vector chosen in per controlling period is integrated to target voltage vector according to torque, flux and speed increase number of voltage vector of system and apply more simple modulation method. 即根据转矩、磁链误差和速度的不同,在每个控制周期内选取多个电压矢量来合成目标电压矢量,增加电压矢量的数目,并采用更为简单的调制方法进行脉宽调制,从而大大降低转矩、电流和磁链的波动,使系统在低速时的转矩更平稳、性能更佳。
- Generation of Voltage Vector PWM Wave by DSP 由DSP芯片生成电压空间矢量脉宽调制波
- Discriminator output error voltage lQn 鉴相器输出误差电压
- dead-time disturbance voltage vector 死区扰动电压矢量
- twelve-section voltage vector select tables 12区段开关表
- He overlooked a spelling error on the first page. 他没有看出第一页中有个拼写错误。
- He learned technical skills by trial and error. 他通过不断摸索掌握技能。
- The letter was addressed in error. 那封信的地址写错了。
- The map is in error regarding the junction. 这张地图在这个交点上是绘制错了。