Analysis and simulation to investigate of reducing the THD of 81-level inverter
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CRSTCONF01_133
تاریخ نمایه سازی: 27 اسفند 1394
Abstract:
Recently multilevel inverters (MLI) are gaining popularity due to reduced voltage stress across power switches and low total harmonic distortion (THD) output voltage waveform.So, we can pave a way for omission of higher degree harmonics which also named the change of making key angels by changing the way of making key in the main frequency, or we candecrease the effects of harmonics by providing a topology of multilevel inverters.Soby changing in the topology, we could not only use fewer elements, but also we could decrease the harmonics of waveform of outcome and we reached to a desired sinus. In the paper, the multilevel inverters are used for decreasing the harmonics because in essence theyintend to have fewer (dv/dt) due to much lower voltages.The introduced concept is analyzed by studies of simulation of 81-levels inverter and it is investigated by experiments and the results of simulation is investigated by MATLAB software
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Authors
Saeed javadniayrik
M.sc Power Electronic ,Islamic Azad University of Lahijan
Soroush Javaniayrik
Student Computer Software ,Pnu University of Talesh
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