Power Quality Enhancement Using Grid Interfaced Dual Voltage Source Inverter
نویسندگان
چکیده
-------------------------------------------------------------------------------------------------------------------------------------------------Abstract –This paper demonstrates the functions of a dual voltage source inverter (DVSI) to improve power quality and reliability of the microgrid system using instantaneous symmetrical component theory (ISCT). The proposed DVSI scheme consists of two inverters named main voltage source inverter (MVSI) and auxilary voltage source inverter (AVSI) connected to the grid and load at the point of common coupling (PCC). Control algorithms are developed using ISCT to operate MVSI in grid injecting and grid sharing mode and AVSI in compensating reactive, harmonic and unbalanced components in load. Therefore, DVSI scheme has advantages like increase in reliability due to the decrease in failure rate of components and reduction in filter design.
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