This paper expounds the fundamental principles of vector voltage measurement using a sampling method, and deduces the calculating formula.
本文阐述了用取样技术测量矢量电压的基本原理,推导了计算公式。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现,采用了控制状态机与PWM发生电路相结合的方法。
A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.
提出了一种新的基于最优电压矢量的有源滤波器滞环电流控制方法。
To solve these problems, a modified method is presented, which subdivides the voltage vector sectors and switching signal selection table, and optimized stator flux compensating voltage.
针对上述问题,给出了一种通过细化电压矢量合成扇区和开关信号选择表,优化定子磁链补偿电压的改进方法。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
为了提高异步电机无速度传感器矢量控制的低速性能,提出了一种定子电压幅值和直流偏置补偿办法。
An optimized space voltage vector (OSVV) Based hysteresis current control method for active power filters is proposed.
本文提出了一种基于最优电压空间矢量的有源滤波器滞环电流控制方法。
And based on it bring forward a simple voltage space vector method.
在此分析的基础上提出了一种简单的电压空间矢量的算法。
This paper presents a sort of improved hysteresis current control method through analyzing the traditional hysteresis current controller and combining voltage space vector modulate method.
本文通过对传统滞环电流控制器的分析,结合电压空间矢量调制方式,提出一种改进的滞环电流控制方法。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量,使其矢量角均匀变化,减小电压波形中的高次谐波分量。
Narrates the conventional method of SVPWM algorithm, by which the little zone of the reference space voltage vector is decided, and studies a new simple method.
概述了传统空间矢量pwm算法中判断参考空间电压矢量所在扇区和小区域的方法,研究了一种新的简单的判断算法。
This paper presents a new method that integrates infrared thermal image technique with support vector machine (SVM) classifiers to check the contamination grades of high voltage insulators.
提出了一种红外热像处理与支持向量机多值分类器相结合的新方法对高压绝缘子污秽等级进行检测。
The voltage vector diagram is a very useful method that can make a qualitative analysis of the steady values of power system in normal and fault conditions.
定性地分析电力系统正常运行状态和故障后的稳态量时,电压相量图法是十分有用的工具。
This paper develops a method of voltage space vector PWM control.
介绍了一种电压空间矢量PWM控制的方法。
Based on the method of SVPWM, various forms of phase voltage waveforms are generated by adjusting the duty time of the two zero vectors and the duty order of every vector.
在空间电压矢量形成PWM波的基础上,通过两个零矢量作用时间的不同分配及调节各矢量作用顺序,形成了不同形式的相电压波形。
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。
The voltage space vector is selected as the PWM method.
论文采用电压空间矢量作为PWM调制方法。
A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.
一种新的基于最优电压矢量的有源电力滤波器的滞环电流控制方法提出了建议。
Aimed at dead time effect of voltage-fed space vector pulse width modulation (SVPWM) inverter, a novel compensation method detecting current polarities from the current vector was presented.
针对电压源型空间矢量脉宽调制逆变器的死区效应,提出了一种根据电流矢量判断电流极性的死区补偿方法。
A method of the three phase voltage-source inverter connecting to the grid is studied, which consists of space vector pulse width modulation and phase-locking method.
本文研究了三相电压源型逆变器实现并网所采用的控制方法,包括空间矢量调制法和锁相环技术。
A stator voltage space vector forecast CRPWM control method based on uncoupled arithmetic is proposed by analyzing improved induction motor mathematics model. Control strategies are presented.
根据改进的电动机模型,推导出一种基于解耦算法的定子电压空间矢量预测CRPWM控制方案,给出其控制策略。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量,其负序分量包含了转子空间位置信息。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量,其负序分量包含了转子空间位置信息。
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