Control strategy of grid-connected pv inverters in microgrid with nonlinear operating conditions
This paper proposes a current control strategy for a Photovoltaic (PV) system in three-phase three-wire grid-connected microgrids under unbalanced and nonlinear load conditions. The proposed control strategy comprise of a multi-loop control technique to provide balanced output current, multi-resonan...
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| Main Authors: | , , , , |
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| 格式: | Conference or Workshop Item |
| 語言: | English |
| 出版: |
Institute of Electrical and Electronics Engineers Inc.
2019
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| 主題: | |
| 在線閱讀: | http://eprints.utm.my/id/eprint/88988/1/AmirrezaNaderipour2019_ControlStrategyofGridConnectedPvInverters.pdf http://eprints.utm.my/id/eprint/88988/ https://dx.doi.org/10.1109/PECON.2018.8684119 |
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| 總結: | This paper proposes a current control strategy for a Photovoltaic (PV) system in three-phase three-wire grid-connected microgrids under unbalanced and nonlinear load conditions. The proposed control strategy comprise of a multi-loop control technique to provide balanced output current, multi-resonant harmonic compensator to reduce the Total Harmonic Distortion (THD) and a droop-based control scheme to achieve accurate power sharing. Additionally, the current THDs were reduced from above 17.51% to lower than 3% with the proposed control strategy under nonlinear load conditions. The effectiveness of the proposed control strategy was proven via simulation using MATLAB/Simulink. |
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