8An analytical space vector pulse width modulation method for multilevel inverters

In this chapter, an analytical space vector pulse width modulation (SVPWM) method for multilevel voltage source inverter (VSI) is proposed based on the intrinsic relation between multilevel and two-level SVPWM. In this method, the dwelling time of vector calculation is derived from the two-level inverter. Using linear transformation, the dwell time of vectors for two-level VSI can be transformed into multilevel VSI. A novel classification of voltage vectors is proposed to determine switching pattern of PWM sequence and used up to the eleven-level inverter, which can be extended to the n-level inverter as well.

8.1Relation between three- and two-level SVPWMs

The ...

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