I simulated a 7-level grid connected inverter using Matlab.
When I changed my load from R to RL, I saw a spike in 0-1 level, I think this problem is related to reactive power,
How can I solve this problem in my inverter?
Please suggest me some papers in this field.
Thanks a lot,
where do you put the loads in a grid connected inverter?can you explain more?
maybe it is a rectifier, or active filter. but your figures show there is a problem in your controller that does not send proper signal to the modulator.
Use an RC snubber circuit which can be compensatory to the reactive load appropriately.
Dear Omid,
I recommend you study the following manuscripts.
Regards,
Morteza Shabanzadeh
http://mortezash.blogfa.com/
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i would suggest you to make some small corrections in the switching sequence, so that in an RL load after the L is charges it requires a path to discharge before next step starts. so keep this in mind and make the corresponding changes in the switching sequence.
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