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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.5
- 수록면
- 853 - 862 (10page)
이용수
초록· 키워드
오류제보하기
Frequency coupling in the phase domain is a recently reported phenomenon for phase locked loop (PLL) based three-phase grid-inverter systems. This paper investigates the mechanism and stabilization method for the frequency coupling to the stability of grid-inverter systems. Self and accompanying admittance models are employed to represent the frequency coupling characteristics of the inverter, and a small signal equivalent circuit of a grid-inverter system is set up to reveal the mechanism of the frequency coupling to the system stability. The analysis reveals that the equivalent inverter admittance is changed due to the frequency coupling of the inverter, and the system stability is affected. In the end, retuning the bandwidth of the phase locked loop is presented to stabilize the three-phase grid-inverter system. Experimental results are given to verify the analysis and the stabilization scheme.
목차
Abstract
I. INTRODUCTION
II. FREQUENCY COUPLING IN A THREE-PHASE VSC
III. MECHANISM OF FREQUENCY COUPLING TO SYSTEM STABILITY
IV. SYSTEM ANALYSIS AND STABILIZATION
V. EXPERIMENTAL RESULTS
VI. CONCLUSIONS
REFERENCES
참고문헌 (19)
참고문헌 신청
Z. Liu, J. Liu, W. Bao, and Y. Zhao, “Infinity-norm of impedance-based stability criterion for three-phase ac distributed power systems with constant power loads,” IEEE Trans. Power Electron., Vol. 30, No. 6, pp. 3030- 3043, Jun. 2015.
L. Harnefors, A. Antonopoulos, K. Ilves, and H. P. Nee, “Global asymptotic stability of current-controlled modular multilevel converters,” IEEE Trans. Power Electron., Vol. 30, No. 1, pp. 249-258, Feb. 2015.
P. Shamsi and B. Fahimi, “Dynamic behavior of multiport power electronic interface under source/load disturbances,” IEEE Trans. Ind. Electron., Vol. 60, No. 10, pp. 4500-4511, Oct. 2013.
N. Bottrell, M. Prodanovic, and T. C. Green, “Dynamic stability of a microgrid with an active load,” IEEE Trans. Power Electron., Vol. 28, No. 11, pp. 5107-5119, Nov. 2013.
A. Emadi, “Modeling and analysis of multiconverter DC power electronic systems using the generalized state-space averaging method,” IEEE Trans. Ind. Electron., Vol. 51, No. 3, pp. 661-668, Jun. 2004.
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