Real-time analysis such as space vector and dq0 transformation
实时分析,例如空间矢量计算和dq0变换
Motor control use the control mode of voltage space vector, big pull-in torque, high- usage of voltage.
电机控制采用电压空间矢量控制方式,启动转矩大,电压利用率高。
As shown in fig. 1.1b), this space vector can also be described in a rotating coordinate system with d and q axes.
如图所示 1.1b ) , 这个空间矢量也可采用旋转坐标系的d和q轴描述。
Perception provides the following functions to transform the three line quantities x1, x2 and x3 into a rotating space vector.
Perception 提供以下功能,用于三个线量 x1, x2 和 x3 到旋转空间矢量的转换。
Perception also provides a mathematical function for the reverse transformation, to calculate the corresponding line quantities from space vector quantities
还提供了一个逆相变数学函数,来计算从空间矢量到相应的线量:
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.
Some types of five-stage matrix converter's topologies were presented, and a theoretical space vector derivation on a five-phase two-stage matrix converter was carried out.
How to apply direct torque control using space vector modulation on three-level neutral point clamped(NPC) inverter-fed induction motors control system was introduced.
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。
Having the space vector PWM as the core of servo system, it has qualities such as multi-interface, wide speed range, and good dynamic and static performance.
该系统以空间矢量PWM控制为核心,具有多种接口方式、宽调速范围和良好的动静态特性。
A novelty space vector pulse width modulation(SVPWM) technique for the two-phase inverter-fed asynchronous motors system is proposed, which can be widely used in the low or middle power level field.
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