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MULTI-TERMINAL DIRECT-CURRENT POWER TRANSMISSION SYSTEM AND CONTROL METHOD OF MULTI-TERMINAL DIRECT-CURRENT POWER TRANSMISSION SYSTEM
MULTI-TERMINAL DIRECT-CURRENT POWER TRANSMISSION SYSTEM AND CONTROL METHOD OF MULTI-TERMINAL DIRECT-CURRENT POWER TRANSMISSION SYSTEM
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机译:多端子直流输电系统及控制方法
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摘要
To perform independently an effective power control in accordance with a direct-current voltage of a direct-current system and an effective power control in accordance with a frequency fluctuation of an alternating-current system.SOLUTION: In order to maintain direct-current voltages Vadc, Vbdc, and Vwdc in a direct-current system at respective constant values or make them follow the respective constant values, each of AC-DC converters 103A and 103B operates independently as each of effective power adjustment converters 100A and 100B; an AC-DC converter 103 W and a wind farm 106 operate as a crease removal converter 100 W; each of the effective power adjustment converters 100A and 100B controls each of effective powers Pa and Pb that flows through each of the AC-DC converters 103A and 103B according to the fluctuations of frequencies Fa and Fb of alternating-current systems 101A and 101B; and the crease removal converter 100 W adjusts the effective powers Pa and Pb that the alternating-current systems 101A and 101B give and receive by adjusting an effective power Pw flowing through the AC-DC converter 103 W.SELECTED DRAWING: Figure 1
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