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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 1,020 - 1,033 (14page)
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초록· 키워드
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This paper presents a control strategy to enhance the accuracy of reactive power sharing between paralleled three-phase inverters in an islanded microgrid. In this study, the mismatch of power sharing when the line impedances have significant differences between inverters connected to a microgrid has been solved, the accuracy of the reactive power sharing in an islanded microgrid is increased, the voltage droop slope is tuned to compensate for the mismatch of voltage drops across the line impedances by using an enhanced droop controller. The proposed method ensures accurate power sharing even if the microgrid has local loads at the output of the inverters. The control model has been simulated by MATLAB/Simulink with two or three inverters connected in parallel. Simulation results demonstrate the accuracy of the implemented control method. Furthermore, in order to validate the theoretical analysis and simulation results, an experimental setup was built in the laboratory. Results obtained from the experimental setup verify the effectiveness of the proposed method.
목차
Abstract
I. INTRODUCTION
II. ISLANDED MICROGRID CONTROL
III. SIMULATION RESULTS AND DISCUSSION
IV. HARDWARE IMPLEMENTATION USING A DSP
V. CONCLUSION
REFERENCES
참고문헌 (37)
참고문헌 신청
H. Han, X. Hou, J. Yang, J. Wu, M. Su, and J. M. Guerrero, “Review of power sharing control strategies for islanding operation of AC microgrids,” IEEE Trans. Smart Grid, Vol. 7, No. 1, pp. 200-216, Jan. 2016.
J. Rocabert, A. Luna, F. Blaabjerg, and P. Rodriguez, “Control of power converters in AC microgrids,” IEEE Trans. Power Electron., Vol. 27, No. 11, pp. 4734-4739 Nov. 2012.
Q.-C. Zhong. “Robust droop controller for accurate proportional load sharing among inverters operated in parallel,” IEEE Trans. Power Electron., Vol. 60, No. 4, pp. 1281-1291, Apr. 2013.
Md. A. Hossain, H. R. Pota, W. Issa, and Md. J. Hossain, “Overview of AC microgrid controls with inverterinterfaced generations,” Energies, Vol. 10, No. 9, Aug. 2017.
S. V. Iyer, M. N. Belur, and M. C. Chandorkar, “A generalized computational method to determine stability of a multi-inverter microgrid,” IEEE Trans. Power Electron., Vol. 25, No. 9, pp. 2420-2432, Sep. 2010.
J. Rocabert, A. Luna, F. Blaabjerg, and P. Rodriguez, “Control of power converters in AC microgrids,” IEEE Trans. Power Electron., Vol. 27, No. 11, pp. 4734-4739 Nov. 2012.
Q.-C. Zhong. “Robust droop controller for accurate proportional load sharing among inverters operated in parallel,” IEEE Trans. Power Electron., Vol. 60, No. 4, pp. 1281-1291, Apr. 2013.
Md. A. Hossain, H. R. Pota, W. Issa, and Md. J. Hossain, “Overview of AC microgrid controls with inverterinterfaced generations,” Energies, Vol. 10, No. 9, Aug. 2017.
S. V. Iyer, M. N. Belur, and M. C. Chandorkar, “A generalized computational method to determine stability of a multi-inverter microgrid,” IEEE Trans. Power Electron., Vol. 25, No. 9, pp. 2420-2432, Sep. 2010.
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UCI(KEPA) : I410-ECN-0101-2019-560-000866879