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3.2.4 Comparison of SVPWM with Sinusoidal PWM
The maximum reference voltage for triangular carrier PWM can be show to equal VDC/2. Using equation 3.1 it can be shown that the length of each of the switching space vectors is 2/3 VDC. By connecting the ends of the space vectors a hexagon is formed which is the locus for the maximum output voltage [11]. The maximum reference voltage for SVPWM traverses a circular locus within the hexagon which by simple trigonometry can be shown to equal DCV3/1 . This means that for a given DC bus voltage, SVPWM can generate a reference voltage 3/2 times larger than triangular carrier PWM [11].
The maximum reference voltage for triangular carrier PWM can be show to equal VDC/2. Using equation 3.1 it can be shown that the length of each of the switching space vectors is 2/3 VDC. By connecting the ends of the space vectors a hexagon is formed which is the locus for the maximum output voltage [11]. The maximum reference voltage for SVPWM traverses a circular locus within the hexagon which by simple trigonometry can be shown to equal DCV3/1 . This means that for a given DC bus voltage, SVPWM can generate a reference voltage 3/2 times larger than triangular carrier PWM [11].
正弦波,技术比较3.2.4svpwm 最高电压范围三角传送技术,同样可以表示Vdc/2. 用公式3.1可证明的时间分别是媒介空间转换三分之二器. 端连接的媒介空间,形成了六边形的最高产量低电压的11. 最高电压范围的通知svpwm留下一点简单的延迟,可以看到同样dcv3/1学. 就是某区巴士电压、参考电压会产生svpwm3/2倍三角传送技术11.