[SOLVED] How to Design three level three phase Inverter?

[FvM]

Actually we can use the Two IR2110's as Q11 & Q12 also Q13 & Q14(in single arm) forms two highside & lowside pairs.

You can do this when meeting a number of prerequisites, floating power supply (isolated DC/DC converter) for 3 of the 6 IR2110 and large boostrap capacitors "bridging" an output frequency period. Also optocoupler for the floating drivers.

It's probably more straight forward to use optoisolated gate drivers and isolated supplies for all switches, as usually done in industrial multi-level or high power converters.

am also try this single phase to three phase inverter but i dont have much knowledge in this circuit design but i try in analog circuit design. could you tell me how to design in analog any circuit for this...

The gate drivers and power switches are always analog circuits. I guess you mean analog PWM signal generation? Inverter designs with analog signal generation (using sine and ramp generators, comparators) have been often published as academic projects, also at edaboard. E.g. the project report PWM_Techniques_final.pdf linked in this thread https://www.edaboard.com/threads/282089/

 

[electroM]

Suggest any optoisolated gate drivers.

 

[electroM]

completed The FPGA Design and 3 level 3 phase Inverter successfully. Very Happy now.