1) phase-difference space vector modulation
相差空间矢量调制
1.
2π/3 PD-SVM (phase-difference space vector modulation) is testified be unipolar.
为消除级联型多电平逆变器的输出共模电压,首先提出了基于左、右桥臂矢量的三类相差空间矢量调制(space vector modulation,SVM)技术,数学推导出三类调制技术的等效正弦脉宽调制(sine pulse width modulation,SPWM)的调制波,并分析了其各自相电压输出波形的单、双极性,证明2π/3相差SVM必为单极性调制。
2) phase shifting space vector modulation
移相空间矢量调制
1.
Based on the brief introduction about five-phase H-bridge three-level inverter, the static behavior of it was given with the presentation of switching characteristic on reverse conducting intergrated gate commutated thyristors (IGCT) and phase shifting space vector modulation.
在简要介绍五相H桥型三电平逆变电路结构的基础上,结合逆导型集成门极换流晶闸管(intergrated gate commutated thyristors,IGCT)器件的开关特性与移相空间矢量调制策略,给出逆变电路的静态工况。
3) space vector modulation
空间矢量调制
1.
Direct torque control based on flux linkage hysteresis comparator and space vector modulation;
基于磁链滞环比较器和空间矢量调制的直接转矩控制
2.
Direct torque control of induction motor based on space vector modulation;
基于空间矢量调制的感应电机直接转矩控制
3.
A new direct torque control method of asynchronous motor based on space vector modulation;
基于空间矢量调制的异步电机直接转矩控制新方法
4) SVPWM
空间矢量调制
1.
A Novel SVPWM Strategy for Three-Level NPC Inverter
一种准双极性的三电平空间矢量调制方法
2.
SVPWM Strategy for Three-Level Inverter Based on SVPWM Strategyfor Two-Level Inverter
一种完全基于两电平空间矢量调制的三电平空间矢量调制算法
3.
A three-phase SVPWM-current-seuree type PFC rectifier with a control system in which active and reactive components are respectively controlled is presented,and a damping method using the voltages across the AC inductors as feedback variables is introduced.
介绍了一种基于空间矢量调制的三相电流型PFC整流器,采用有功功率和无功功率解耦的控制策略。
5) SVM
空间矢量调制
1.
Application of SVM Based on Differential Equations in APF;
基于差分方程的空间矢量调制在APF中的应用
2.
In this paper,the principle of direct torque control(DTC)for permanent magnet synchronous motor and the effect of voltage vectors on flux linkage and torque are studied,and a new direct torque control with space vector modulation(SVM)is proposed.
分析了永磁同步电动机(PMSM)直接转矩控制(DTC)的原理,在此基础上通过分析不同电压矢量对定子磁链和转矩的作用效果,提出了一种基于空间矢量调制(SVM)的直接转矩控制方法。
3.
In order to solve the problem of direct torque control(DTC)for permanent magnet synchronous motor(PMSM)related to the flux and the torque ripple and the uncertainty of switching frequency,a method which shorten the voltage-vector-function-time by SVM(space vector modulation)is developed,and in order to improve the system performance,the stator flux linkage sectors and vectors are subdivided.
为了解决永磁同步电机传统直接转矩控制低速时磁链和转矩脉动大的问题,提出了1种用空间矢量调制(SVM)实现减小电压矢量在1个控制周期中的作用时间的直接转矩控制方法;为进一步提高系统性能,对磁链扇区和电压矢量进行了细分。
6) space-vector modulation
空间矢量调制
1.
The relationship between space-vector modulation (SVM) and carrier-based modulation for multilevel inverters is still unexplored.
目前对于载波调制和空间矢量调制这两种调制方法之间的关系在多电平领域尚缺乏系统的理论分析与比较。
2.
Comparing with normal space-vector modulation (SVM) scheme, the novel space-ve ctor modulation (NSVM) discussed in this paper can reduce the average switching frequency greatly, so that the switching loss can also be reduced.
与常规的连续空间矢量调制 (SVM )相比 ,不连续空间矢量调制可使器件的平均频率低于采样频率 ,因而可降低变换器的开关损耗。
补充资料：空间光调制器
空间光调制器是一类能将信息加载于一维或两维的光学数据场上，以便有效的利用光的固有速度、并行性和互连能力的器件。
这类器件可在随时间变化的电驱动信号或其他信号的控制下，改变空间上光分布的振幅或强度、相位、偏振态以及波长，或者把非相干光转化成相干光。由于它的这种性质，可作为实时光学信息处理、光计算和光学神经网络等系统中构造单元或关键的器件。
空间光调制器一般按照读出光的读出方式不同，可以分为反射式和透射式；而按照输入控制信号的方式不同又可分为光寻址(oa-slm)和电寻址(ea-slm)
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