Direct torque control for stacked multicell (SMC) VSI fed induction machine

Voltage balancing method using phase-shifted PWM for stacked multicell converters

“…There are a few active voltage balancing methods found in the technical literature [16]- [18]. In [16], a direct torque control method was proposed.…”

“…In [16], a direct torque control method was proposed. This method regulates the FC voltage; however, no line-to-line voltage is shown and analyzed in the paper.…”

“…However, the method is complicated and requires a lot of computation. Finally, an active voltage balancing method which was proposed in [16], consists on evaluating a cost function for the redundant states using space vector modulation (SVM) in a four-level hybrid SMC. However, some limitations have been reported when operating with high modulation indices.…”

Optimum state voltage balancing method for stacked multicell converters

“…This balance booster consists of a passive RLC filter and thus introduces some power loses, reduces converter's reliability and increases its size. There are a few active voltage balancing methods found in the technical literature [16]- [18]. In [16], a direct torque control method was proposed.…”

“…There are a few active voltage balancing methods found in the technical literature [16]- [18]. In [16], a direct torque control method was proposed. This method regulates the FC voltages; however, no line-to-line voltage is shown and analyzed in the paper.…”