지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.9
- 수록면
- 896 - 908 (13page)
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초록· 키워드
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Under high grid impedance conditions, it is difficult to guarantee the stability of grid-connected inverters with an LCL filter designed based on ideal grid conditions. In this paper, the theoretical basis for output impedance calculation is introduced. Based on the small-signal model, the d-d channel closed-loop output impedance models adopting the converter-side current control method and the grid-side current control method are derived, respectively. Specifically, this paper shows how to simplify the stability analysis which is usually complemented based on the generalized Nyquist stability criterion (GNC). The stability of each current-controlled grid-connected system is analyzed via the proposed simplified method. Moreover, the influence of the LCL parameters on the stability margin of grid-connected inverter controlled with converter-side current is studied. It is shown that the stability of grid-connected systems is fully determined by the d-d channel output admittance of the grid-connected inverter and the inductive component of the grid impedance. Experimental results validate the proposed theoretical stability analysis.
목차
Abstract
I. INTRODUCTION
II. D-D CHANNEL CLOSED-LOOP OUTPUT IMPEDANCE MODEL
III. STABILITY ANALYSIS OF THE GRID-CONNECTED INVERTER
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
참고문헌 (27)
참고문헌 신청
H. Langkowski / 2009 / Grid impedance determination-relevancy for grid integration of renewable energy systems / Conference of the IEEE Industrial Electronics Society (IECON'09) :516~521
M. Liserre / 2006 / Stability of photovoltaic and wind turbine grid-connected inverters for a large set of grid impedance values / IEEE Trans. Power Electron 21(1):263~272
M. Liserre / 2004 / Stability of grid-connected PV inverters with large grid impedance variation / Proc. IEEE 35th Annu. Power Electron. Spec. Conf 6:4773~4779
X. Feng / 1999 / Individual load impedance specification for a stable DC distributed power system / Proc. IEEE APEC’99 :923~929
C. Zhu / 2006 / Improved impedance criterion / Journal of Nanjing University of Aeronautics & Astronautics 38(3):315~320
M. Liserre / 2006 / Stability of photovoltaic and wind turbine grid-connected inverters for a large set of grid impedance values / IEEE Trans. Power Electron 21(1):263~272
M. Liserre / 2004 / Stability of grid-connected PV inverters with large grid impedance variation / Proc. IEEE 35th Annu. Power Electron. Spec. Conf 6:4773~4779
X. Feng / 1999 / Individual load impedance specification for a stable DC distributed power system / Proc. IEEE APEC’99 :923~929
C. Zhu / 2006 / Improved impedance criterion / Journal of Nanjing University of Aeronautics & Astronautics 38(3):315~320
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