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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.7
- 수록면
- 922 - 933 (12page)
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초록· 키워드
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The arm inductance (AI) of a modular multilevel converter (MMC) affects both the fault and circulating current magnitudes. In addition, it has an impact on the inverter efficiency and harmonic content. In this study, the AI of a three-phase MMC is optimized in a novel way in terms of DC voltage utilization, harmonics and efficiency. This MMC has 10 submodules (SM) per arm and the power circuit topology of the SM is a half-bridge. The optimum AI is adopted and verified in an MMC that has 100 SMs per arm. Then the phase shift (PS) and phase disposition (PD) pulse width modulation (PWM) methods are investigated for better DC voltage utilization, efficiency and harmonics. It is found that similar performances are obtained for both modulation techniques in terms of DC voltage utilization. However, the total harmonic distortion (THD) of the PS-PWM is found to be 0.02%, which is slightly lower than the THD of the PD-PWM at 0.16%. In efficiency calculations, the switching and conduction losses for all of the semiconductor are considered separately and the minimum efficiency of the 100-SM based MMC is found to be 99.62% for the PS-PWM and 99.64% for the PD-PWM with the optimal value of the AI. Simulation results are verified with an experimental prototype of a 6-SM based MMC.
목차
Abstract
I. INTRODUCTION
II. GENERAL STRUCTURE OF THE MMC
III. ESTIMATION OF THE SEMICONDUCTOR LOSSES
IV. PROPOSED OPTIMAL ARM INDUCTANCE SELECTION METHOD FOR AN MMC
V. SIMULATION STUDIES
VI. EXPERIMENTAL RESULTS
VII. CONCLUSIONS
REFERENCES
참고문헌 (41)
참고문헌 신청
N. Serbia, “Modular multilevel converters for HVDC power stations,” Ph.D. Dissertation, Institut National Polytechnique de Toulouse, Italy, 2014.
S. Debnath and M. Saeedifard, “A new hybrid modular multilevel converter for grid connection of large wind turbines,” IEEE Trans. Sustain. Energy, Vol. 4, No. 4, pp. 1051-1064, Oct. 2013.
A. Lesnicar and R. Marquardt, “An innovative modular multilevel converter topology suitable for a wide power range,” in 2003 IEEE Bologna Power Tech Conference Proceedings, pp. 272-277, 2003.
S. Debnath, J. Qin, B. Bahrani, M. Saeedifard, and P. Barbosa, “Operation, control, and applications of the modular multilevel converter: A review,” IEEE Trans. Power Electron., Vol. 30, No. 1, pp. 37-53, Jan. 2015.
M. Kurto?lu, F. Ero?lu, A. O. Arslan, and A. M. Vural, “Recent contributions and future prospects of the modular multilevel converters: A comprehensive review,” Int. Trans. Electr. Energy Syst., Vol. 29, No. 3, pp. 1-36, Mar. 2019
S. Debnath and M. Saeedifard, “A new hybrid modular multilevel converter for grid connection of large wind turbines,” IEEE Trans. Sustain. Energy, Vol. 4, No. 4, pp. 1051-1064, Oct. 2013.
A. Lesnicar and R. Marquardt, “An innovative modular multilevel converter topology suitable for a wide power range,” in 2003 IEEE Bologna Power Tech Conference Proceedings, pp. 272-277, 2003.
S. Debnath, J. Qin, B. Bahrani, M. Saeedifard, and P. Barbosa, “Operation, control, and applications of the modular multilevel converter: A review,” IEEE Trans. Power Electron., Vol. 30, No. 1, pp. 37-53, Jan. 2015.
M. Kurto?lu, F. Ero?lu, A. O. Arslan, and A. M. Vural, “Recent contributions and future prospects of the modular multilevel converters: A comprehensive review,” Int. Trans. Electr. Energy Syst., Vol. 29, No. 3, pp. 1-36, Mar. 2019
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UCI(KEPA) : I410-ECN-0101-2019-560-000866960