two level inverter PWM

Thread Starter

almotions

Joined Feb 6, 2009
46
Hi all,i'm confused with the 2 level 1 leg inverter.
Assuming a one leg 2 switch inverter is supplied with a capacitor at a voltage of E like the picture here:
http://img26.imageshack.us/i/2leginverter.jpg/
i got a waveform switching between E and 0.However,i see some papers having this configuration
http://img44.imageshack.us/i/2leginverter1.jpg/
which the waveform varies from 0.5E and -0.5E i think.
My question how does these two differ in their application in single and three phase systems?
 
Top