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Power converters

5. Output voltage of three-phase inverters

5.5. Voltage increase by zero-sequence component - example

Maximum output voltage – SVPWM a TIPWM

  • Hexagon inscribed circle:

       \frac{2}{3}U_{dc}cos⁡(\frac{\pi}{6}) = \frac{2}{3}400\frac{\sqrt{3}}{2} = 231 V

  • U_{A0}(1) :  231 V, 163 Vrms
  • U_{zA}(1) :  231 V,  163 Vrms
  • U_{AB}(1) : 400 V,  283 Vrms