Model of semiconductor converters for the simulation of an asymmetric loads in an autonomous power supply system

@article{Tavarov2025Model, author = {Tavarov, Saidjon and Senyuk, Mihail and Safaraliev, Murodbek and Kokin, Sergey and Tavlintsev, Alexander and Svyatykh, Andrey}, journal = {International Journal of Electrical and Computer Engineering (IJECE)}, doi = {10.11591/ijece.v15i2.pp1332-1347}, issn = {2722-2578}, number = {2}, year = {2025}, month = {apr 1}, pages = {1332}, publisher = {{Institute of Advanced Engineering and Science}}, title = {Model of semiconductor converters for the simulation of an asymmetric loads in an autonomous power supply system}, url = {http://dx.doi.org/10.11591/ijece.v15i2.pp1332-1347}, volume = {15}, }

TY - JOUR AB - <jats:p>This article is devoted to the development of computer model w ith semiconductor converters for the simulation of asymmetric loads al lowing to solve the voltage symmetry problems under asymmetric loads ( active and active-inductive) for isolated electric networks with renew able energy sources (mini hydroelectric power plants). A model of a sy mmetry device has been developed in the MATLAB/Simulink environment ba sed on a proportional-integral controller and a relay controller - P. The effectiveness of their use depends on the load's nature. The imple mentation of a voltage converter is presented considering a three-phas e inverter with discrete key switching at 120, 150, and 180 degrees wi th a purely active load. Based on the harmonic analysis of the three-p hase voltage at discrete conversion, the value of the first harmonic i s determined. Voltage transformations under active-inductive load at 1 20, 150, and 180 degrees are mathematically described. To determine th e harmonic spectrum, an analysis of the fast Fourier transform for the three-phase voltage of a MATLAB/Simulink semiconductor converter was carried out. It is established that the alternating current output vol tage is generated on the output side of the inverter of a three-phase voltage source through a three-phase load connected by a star with a h armonic suppression method.</jats:p> AU - Tavarov, Saidjon AU - Senyuk, Mihail AU - Safaraliev, Murodbek AU - Kokin, Sergey AU - Tavlintsev, Alexander AU - Svyatykh, Andrey DA - 2025/4/1/ PY - 2025 DB - Crossref DO - 10.11591/ijece.v15i2.pp1332-1347 ID - temp_id_973225292453 IS - 2 J2 - IJECE SN - 2722-2578 SP - 1332 T2 - International Journal of Electrical and Computer Engineering (IJECE) TI - Model of semiconductor converters for the simulation of an asymmetric loads in an autonomous power supply system UR - http://dx.doi.org/10.11591/ijece.v15i2.pp1332-1347 VL - 15 ER -