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Three-phase inverter

The topology of a three-phase inverter consists of 3 legs; each leg includes a switch in either the up or down position. The inverter is connected to a Y-connected 3-phase load representing the stator windings of an ac machine.There are  eight possible switching configurations that give rise to 6 active voltage space vectors and 2 zero vectors. The animation shows an arbitrary sequencing of the 8 states.

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com © M. Riaz