A novel random space vector modulation technique based on small switch losses was proposed.
提出了一种基于小开关损耗的随机空间矢量调制技术。
Fixed switching frequency and low torque ripple are obtained using space vector modulation.
使用空间矢量调制固定开关频率和低转矩脉动。
A simplified algorithm three-phase voltage source PWM rectifier for space vector modulation was presented.
提出了应用于三相电压型脉宽调制整流器的空间矢量简化算法。
The sample-time-staggered space vector modulation (STS-SVM) is a novel modulation strategy with high performance.
错时采样空间矢量调制(STS-SVM)技术是一种高品质的新型调制技术。
A new direct torque control (DTC) strategy of induction motors based on fuzzy space vector modulation (SVM) technology was proposed.
提出了一种基于模糊空间矢量调制(SVM)技术的异步电机直接转矩控制(DTC)方案。
Dead-time compensation and minimum pulse-width limitations lead to losses in the linear modulation region of space vector modulation.
死区补偿和最小脉宽限制减小了空间矢量脉宽调制的线性调制区。
The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.
以空间矢量调制方法来获得逆变器的开关信号,实现了小的转矩脉动和恒定的开关频率。
Detailed analysis and description on space vector modulation and two-step commutation were given, and a prototype matrix converter was built.
对矩阵变换器的空间矢量调制法以及半自然两步换流技术进行了分析及阐述,同时研制了一套矩阵变换器样机。
This scheme is based on the rotor flux, through the fixed switching frequency and using space vector modulation (SVPWM) method vector control.
本文方案是基于转子磁链定向、通过固定开关频率、运用空间矢量调制(SVPWM)方法的矢量控制。
An improved direct torque control (DTC) algorithm based on discrete space vector modulation (DSVM) is presented, and its simulation research is performed.
提出一种基于离散空间矢量调制(DSVM)技术的异步电机直接转矩控制(DTC)的改进算法,并对其进行仿真研究。
A novel multilevel matrix converter is proposed, and its topology configuration, operating principles and space vector modulation technique are introduced.
提出了一种新颖的多电平矩阵变换器,介绍了其拓扑结构、工作原理和空间矢量调制技术。
Instead of the conventional analog hysteresis comparator, the compensatory current is produced by 3-dimensional space vector modulation (3d SVPWM) technique.
不同于传统的模拟滞环比较器,采用基于三维空间矢量脉宽调制(3d SVPWM)法控制补偿电流的产生。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
双空间矢量调制两级协调控制能实现整流级零电流换流,极大地减少了开关损耗,提高了变换器的效率。
To reduce the low speed torque ripple of induction motor based on direct torque control (DTC), a new control strategy-improved discrete space vector modulation is proposed.
针对传统的异步电机直接转矩控制在低速时存在转矩脉动较大的问题,提出了一种减小转矩脉动的直接转矩控制方法。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略,建立了交-交直接变换控制方式下矩阵变换器的数学模型。
The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulation ratio method is proposed.
在非对称输入电压情况下,对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析,提出了利用时变调制比改善输出电压波形的方法。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
结合矩阵变换器双空间矢量调制方法,并将矩阵变换器过调制方法用于感应电机直接转矩控制中,达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
This calculated voltage is then synthesized using Space Vector Modulation.
然后用空间矢量调制法来将计算出来的这个电压进行合成。
Space vector modulation (SVM) is applied to the scheme, and decoupling control for the active and reactive power during the dynamic course is realized.
该方法基于空间电压矢量调制,实现了动态过程中有功功率和无功功率的解耦控制。
In this paper, the principle of Sampling Time Staggered Space Vector Modulation (STS-SVM) as well as its realizing method in cascade multilevel converters is presented.
该文提出并分析了错时采样空间矢量调制(STS - SVM)技术的工作原理及其在级联型多电平变流器上的实现方法。
In this paper, the principle of Sampling Time Staggered Space Vector Modulation (STS-SVM) as well as its realizing method in cascade multilevel converters is presented.
该文提出并分析了错时采样空间矢量调制(STS - SVM)技术的工作原理及其在级联型多电平变流器上的实现方法。
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