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논문 기본 정보

자료유형
학술대회자료
저자정보
F. Mura (RWTH Aachen University) Rik. W. De Doncker (RWTH Aachen University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2011-ECCE Asia
발행연도
2011.5
수록면
2,359 - 2,366 (8page)

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Today’s power systems use alternating current (ac) for transmission and distribution of electrical energy, although the first grids were based on direct current (dc). Due to the absence of appropriate equipment to change voltage levels dc technology did not become widely accepted and was finally ruled out by the more efficient ac infrastructure. However, as a result of considerable technical progress, high-voltage direct current (HVDC) transmission has found its way back into power systems. At lower voltage and power levels medium-voltage dc (MVDC) distribution has been proposed for offshore wind farms and industrial applications. This paper describes the design of an MVDC grid for the interconnection of high-power test benches at a university campus. Voltage control within the dc grid as well as the behavior in different fault scenarios is analyzed using numerical simulations. To assess the environmental impact of the grid the magnetic flux density emitted by the dc cable lines is calculated.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. CONCEPT OF THE MVDC GRID
Ⅲ. SIMULATION MODEL
Ⅳ. DC VOLTAGE CONTROL
Ⅴ. ELECTROMAGNETIC COMPATIBILITY
Ⅵ. CONCLUSIONS
APPENDIX
ACKNOWLEDGMENT
REFERENCES

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