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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 519 - 528 (10page)
이용수
초록· 키워드
오류제보하기
The unified power quality conditioner (UPQC) is an effective custom power device that is used at the point of common coupling to protect loads from voltage and current-related PQ issues. Currently, most researchers have studied series unit and parallel unit models and an idealized transformer model. However, the interactions of the series and parallel converters in AC-link are difficult to analyze. This study utilizes an equivalent transformer model to accomplish an electric connection of series and parallel converters in the AC-link and to establishes a precise unified mathematical model of the UPQC. The strong coupling interactions of series and parallel units are analyzed, and they show a remarkable dependence on the excitation impedance of transformers. Afterward, a feed-forward decoupling method based on a unified model that contains the uncertainty components of the load impedance is applied. Thus, this study presents an adaptive method to estimate load impedance. Furthermore, simulation and experimental results verify the accuracy of the proposed modeling and decoupling algorithm.
목차
Abstract
I. INTRODUCTION
II. UNIFIED MATHEMATICAL MODELING OF UPQC
III. INTERACTION ANALYSIS OF SERIES AND PARALLEL UNITS
IV. DECOUPLING CONTROL ALGORITHM
V. SIMULATION ANALYSIS
VI. EXPERIMENTAL ANALYSIS
VII. CONCLUSION
REFERENCES
참고문헌 (21)
참고문헌 신청
B. W. Franca, L. F. Silva, M. A. Aredes, and M. Aredes, “An improved iUPQC controller to provide additional gridvoltage regulation as a STATCOM,” IEEE Trans. Ind. Electron., Vol. 62, No. 3, pp. 1345-1352, Mar. 2015.
F. Jiang, C. Tu, Z. Shuai, M. Cheng, Z. Lan, and F. Xiao, “Multilevel cascaded-type dynamic voltage restorer with fault current-limiting function,” IEEE Trans. Power Del., Vol. 31, No. 3, pp. 1261-1269, Jun. 2016.
P. Kanjiya, V. Khadkikar, and H. H. Zeineldin, “Optimal control of shunt active power filter to meet IEEE Std. 519 current harmonic constraints under nonideal supply condition,” IEEE Trans. Ind. Electron., Vol. 62, No. 2, pp. 724-734, Jul. 2015.
V. Khadkikar, “Enhancing electric power quality using UPQC: A comprehensive overview,” IEEE Trans. Power Electron., Vol. 27, No. 5, pp. 2284-2297, May 2012.
A. K. Panda and N. Patnaik, “Management of reactive power sharing & power quality improvement with SRF-PAC based UPQC under unbalanced source voltage condition,” Int. J. Electr. Power & Energy Syst., Vol. 84, pp. 182-194, Jan. 2017.
F. Jiang, C. Tu, Z. Shuai, M. Cheng, Z. Lan, and F. Xiao, “Multilevel cascaded-type dynamic voltage restorer with fault current-limiting function,” IEEE Trans. Power Del., Vol. 31, No. 3, pp. 1261-1269, Jun. 2016.
P. Kanjiya, V. Khadkikar, and H. H. Zeineldin, “Optimal control of shunt active power filter to meet IEEE Std. 519 current harmonic constraints under nonideal supply condition,” IEEE Trans. Ind. Electron., Vol. 62, No. 2, pp. 724-734, Jul. 2015.
V. Khadkikar, “Enhancing electric power quality using UPQC: A comprehensive overview,” IEEE Trans. Power Electron., Vol. 27, No. 5, pp. 2284-2297, May 2012.
A. K. Panda and N. Patnaik, “Management of reactive power sharing & power quality improvement with SRF-PAC based UPQC under unbalanced source voltage condition,” Int. J. Electr. Power & Energy Syst., Vol. 84, pp. 182-194, Jan. 2017.
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UCI(KEPA) : I410-ECN-0101-2019-560-000541255