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- 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。
- The Braking Function of Voltage Vector Controlled Frequency Converter 电压矢量控制变频调速器的制动功能分析
- Voltage vector controller 电压矢量控制器
- voltage vector control 电压矢量控制
- 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。
- 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。
- Vector control system was modeled and simulated with MATLAB/Simulink software. 采用MATLAB/Simulink对控制系统进行了仿真建模与研究。
- I.Boldea and S.A.Nasar, Vector Control of AC Drives, CRC Press, 1992. 刘昌焕,“交流电机控制”,东华书局,中华民国九十二年五月。
- 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。
- Vector control of inverter allowed power factor regulation of the windmill. 对网侧逆变器采用矢量控制来调节风电系统的功率因数。
- 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。
- 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。
- This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling. 本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。
- WHO has also provided technical support and materials (sprayers and insecticide) for vector control activities. 世卫组织还为媒介控制活动提供了技术支持和物资(喷雾器和杀虫剂)。
- Similarly, Maldives has received support for their social mobilization activities on dengue vector control. 同样,马尔代夫已就其登革热媒介控制的社会动员活动获得支持。
- Vector control spraying, human and animal surveillance and social mobilization activities are continuing. 媒介控制喷洒、人和动物监测以及社会动员活动仍在继续进行。
- The control mode has developed from early U\f control mode to vector control technology and pulse width modulation. 控制方式也从早期的电压;频率控制方式发展到向量控制技术和冲宽度调制技术。
- Method pcDNA3.1(+)-Per2 was transfected into EMT6 cells and paralleled with the vector control pcDNA3.1(+). 方法将pcDNA3.;1(+)-Per2转导入EMT6细胞内;同时设立转染空质粒pcDNA3
- 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。