依据新的输入电压空间划分及合成空间矢量,确定了新的功率控制开关表。
A new power control switching table is set up according to new dividing of input voltage space and resultant voltage space vectors.
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。
This calculated voltage is then synthesized using Space Vector Modulation.
对于任意阶电平数的逆变器而言,这种算法能够方便地判断出参考空间矢量所落入的扇区,非常容易地进行矢量的合成运算。
For the inverters of the levels of any order, this algorithm can easily judge which vector the reference space vector falls in, and conduct the composition operations of the vectors.
在此基础上,利用空间电压矢量合成特性,给出了针对空间电压矢量不同的表示方法对应的不同的SVPWM算法步骤。
On the foundation of this, utilizing the complex trait of space voltage vector, aiming at the different representation of space voltage vector, we give the different SVPWM arithmetic steps.
在一个调制周期内,可预先求出几个死区电压矢量的合成矢量,用控制软件的方法实现对参考空间电压矢量的校正,从而消除死区效应。
During a modulation period, several dead voltage vectors were synthesized. Using the control software, the reference voltage space vector could be corrected. Thus the dead-time effect was eliminated.
还分析了采用多相空间电压矢量控制时,一个周期内电压矢量的合成过程,由于多相逆变器可供使用的空间电压矢量数目多,因而能够准确地输出给定电压矢量。
The composition processing of the space vector is also been analyzed, the reference voltage vector can be achieved correctly because there are more space voltage vector can be utilized.
还分析了采用多相空间电压矢量控制时,一个周期内电压矢量的合成过程,由于多相逆变器可供使用的空间电压矢量数目多,因而能够准确地输出给定电压矢量。
The composition processing of the space vector is also been analyzed, the reference voltage vector can be achieved correctly because there are more space voltage vector can be utilized.
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