1) rectifier modulation vector
整流调制矢量
1.
To overcome this shortcoming, a new method is proposed to describe the abnormal input voltages, and a concept of anti-disturbance vector is introduced and added to the rectifier modulation vector to improve the output waveforms.
针对常规空间矢量调制法不能抑制非对称、畸变等非正常输入电压对双级矩阵变换器输出所产生的影响,对双级矩阵变换器空间矢量调制策略进行改进,提出一种新的非正常输入电压表示方法以及抗扰分量的概念,通过在整流调制矢量中引入抗扰分量来提高双级矩阵变换器的输出波形质量。
2) Vector modulation
矢量调制
1.
For the purposes of motor of a tank gun driving system,the traditional DTC and improved DTC were used to carry out simulation research,and the comparison results showed that the direct torque control method of tank gun driving system based on vector modulation can significantly improve speed and torque effectiveness of tank gun regulating system.
针对某型坦克炮控调速系统所用电机,分别利用基本型DTC和改进型DTC控制进行仿真研究,比较结果表明,基于电压矢量调制的直接转矩控制方法对坦克火炮调速系统的转矩和转速控制具有明显的改进效果。
2.
Under this condition it was possible to control the machine with field-oriented techniques and realized the stator current vector modulation to keep stator MMF round.
再用转子磁场定向矢量控制的方法建立电机的数学模型,讨论为保持定子的圆形旋转磁势而采用定子电流矢量调制的方法,最后进行仿真验证。
3.
In the course of broadening the signal simulation instantaneous bandwidth by using digital vector modulation technology,the frequency-conversion channel mismatch on digital vector modulation can badly worsen mirror frequency and LO suppression parameter.
在利用数字矢量调制技术实现信号模拟瞬时带宽拓展过程中,数字矢量调制上变频通道的失配会严重恶化变频通道镜频和本振抑制指标。
3) modulation vector
调制矢量
1.
The concept of modulation vector was introduced based on in-depth analysis of the virtual inverter and virtual rectifier space vector modulation(SVM),and a novel implementation method for indirect SVM of MC was proposed.
在深入分析虚拟逆变器及整流器的空间矢量调制策略基础上,引入调制矢量的概念,提出一种新颖的矩阵变换器间接空间矢量调制实现方案。
4) flow control valve adjustment
流量控制阀调整
5) current space vector modulation
电流空间矢量调制
1.
After the analysis of the input current space vector modulation(SVM) algorithm of matrix converter(MR) under balanced three-phase input voltages condition,a generalized current SVM algorithm of MR was mainly proposed so as to suit the imbalanced three-phase input voltages conditions based on variable sector and instantaneous value calculation.
在分析了三相输入电压平衡条件下矩阵整流器的输入电流空间矢量调制(SVM)算法后,重点提出了一种适用于三相输入电压不平衡条件下的基于扇区可变和瞬时值计算的通用电流SVM算法,并为提高新算法对电压不平衡的适应能力和增加输出电压利用率提出了一种简单的处理方法。
6) current space vector modulation algorithm
电流空间矢量调制算法
补充资料：伯格斯矢量
分子式：
CAS号：
性质：是位错尺寸的量度。当位错在晶体内滑动时，原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离，表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错，位错线平行于伯格斯矢量；对刃型位错，位错线垂直于伯格斯矢量；对于混合型位错，位错线斜交于伯格斯矢量。
CAS号：
性质：是位错尺寸的量度。当位错在晶体内滑动时，原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离，表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错，位错线平行于伯格斯矢量；对刃型位错，位错线垂直于伯格斯矢量；对于混合型位错，位错线斜交于伯格斯矢量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条