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Harmonic compensated individual-phase control of four-leg inverters for microgrid applications.
- Source :
-
Journal of Power Electronics . Nov2023, Vol. 23 Issue 11, p1756-1766. 11p. - Publication Year :
- 2023
-
Abstract
- In this paper, harmonic compensated individual-phase voltage control of four-leg inverters is proposed for microgrid applications. Individual-phase control, which is one of the promising voltage control methods of four-leg inverters, ensures robustness for high load unbalance rates. However, the odd harmonics generated by nonlinear loads and dead time deteriorate the quality of load voltages under single-phase control. The proposed method compensates for the odd harmonics included in the load voltages to improve the output power quality. In the proposed method, band-pass and all-pass filters are used to generate the virtual components for the individual-phase control. Additionally, the harmonics are compensated in the synchronous reference frame using a resonant controller, while the fundamental components are controlled by proportional-integral controllers. With the proposed method, the total harmonic distortion of the load voltages is maintained at a low level under unbalanced and nonlinear load conditions. The effectiveness of the proposed method is demonstrated through simulation and experimental results. [ABSTRACT FROM AUTHOR]
- Subjects :
- *MICROGRIDS
*VOLTAGE control
*VOLTAGE
Subjects
Details
- Language :
- English
- ISSN :
- 15982092
- Volume :
- 23
- Issue :
- 11
- Database :
- Academic Search Index
- Journal :
- Journal of Power Electronics
- Publication Type :
- Academic Journal
- Accession number :
- 173806016
- Full Text :
- https://doi.org/10.1007/s43236-023-00699-9