581306.fig.0014
Figure 14: Averaged WTHD factor of the phase voltage 𝑉 𝑎 𝑠 versus modulation index m for six-phase system on the base of two inverters (CPWM-2INV, DPWM-2INV), and for the system on the base of four inverters (CPWM-4INV, DPWM-4INV).