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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 1,034 - 1,044 (11page)
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초록· 키워드
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In medium-voltage and high-voltage high-power converters, the switching devices need to operate at a low switching frequency to reduce power loss and increase the power capacity. This increases the delay of the signal sampling and PWM. It also makes the cross-couplings of the d-q current components more severe. In addition, the LCL filter has three cross-coupling loops and is prone to resonance. In order to solve these problems, this paper establishes a complex vector model of an LCL type grid-connected converter. Based on this model, two multiple decoupling current control strategies with passive damping / notch damping are proposed for the LCL type grid-connected converter. The proposed strategies can effectively eliminate the cross-couplings of the converter, achieve independent control of the d-q current components, expand the stable region and suppress the resonance of the LCL filter. Simulation and experimental results verify the correctness of the theoretical analysis and the feasibility of the proposed strategies.
목차
Abstract
I. INTRODUCTION
II. LCL TYPE GRID-CONNECTED CONVERTER MODEL BASED ON COMPLEX VECTOR
III. MULTIPLE DECOUPLING CURRENT CONTROL STRATEGY BASED ON COMPLEX VECTOR
IV. COMPARISON ANALYSIS OF CURRENT CONTROL SYSTEMS
V. EXPERIMENTS AND SIMULATIONS
VI. CONCLUSIONS
REFERENCES
참고문헌 (35)
참고문헌 신청
L. G. Franquelo, J. I. Leon, and E. Dominguez, “New trends and topologies for high power industrial applications: The multilevel converters solution,” in Proc. International Conference on Power Engineering, Energy and Electrical Drives, pp. 1-6, 2009.
K. Ma and F. Blaabjerg, “Thermal optimised modulation methods of three-level neutral-point-clamped inverter for 10 MW wind turbines under low-voltage ride through,” IET Power Electron., Vol. 5, No. 6, pp. 920-927, Jul. 2012.
J. A. Pontt, J. R. Rodriguez, A. Liendo, P. Newman, J. Holtz, and J. M. S. Martin, “Network-friendly low-switchingfrequency multipulse high-power three-level PWM rectifier,” IEEE Trans. Ind. Electron., Vol. 56, No. 4, pp. 1254-1262, Apr. 2009.
J. Holtz and X. Qi, “Optimal control of medium-voltage drives ? An overview,” IEEE Trans. Ind. Electron., Vol. 60, No. 12, pp. 5472-5481, Dec. 2013.
A. G. Siemens, “Power semiconductors: For medium voltage converters ? An overview,” in Proc. European Conference on Power Electronics and Applications, pp. 121-134, 2009.
K. Ma and F. Blaabjerg, “Thermal optimised modulation methods of three-level neutral-point-clamped inverter for 10 MW wind turbines under low-voltage ride through,” IET Power Electron., Vol. 5, No. 6, pp. 920-927, Jul. 2012.
J. A. Pontt, J. R. Rodriguez, A. Liendo, P. Newman, J. Holtz, and J. M. S. Martin, “Network-friendly low-switchingfrequency multipulse high-power three-level PWM rectifier,” IEEE Trans. Ind. Electron., Vol. 56, No. 4, pp. 1254-1262, Apr. 2009.
J. Holtz and X. Qi, “Optimal control of medium-voltage drives ? An overview,” IEEE Trans. Ind. Electron., Vol. 60, No. 12, pp. 5472-5481, Dec. 2013.
A. G. Siemens, “Power semiconductors: For medium voltage converters ? An overview,” in Proc. European Conference on Power Electronics and Applications, pp. 121-134, 2009.
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UCI(KEPA) : I410-ECN-0101-2019-560-000866864