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MULTI-TERMINAL DIRECT-CURRENT TRANSMISSION SYSTEM FOR WIND POWER GENERATION THROUGH LARGE-SCALE REMOTE GRID CONNECTION
MULTI-TERMINAL DIRECT-CURRENT TRANSMISSION SYSTEM FOR WIND POWER GENERATION THROUGH LARGE-SCALE REMOTE GRID CONNECTION
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机译:大型远程电网连接的风电多端直流输电系统
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摘要
A multi-terminal direct-current transmission system for wind power generation through large-scale remote grid connection, comprising m rectifying stations, a first direct current bus, a second direct current bus and n inverter stations. An input end of each rectifying station is connected with a wind farm through an alternating current bus, and an output end of each rectifying station is connected to the first direct current bus; an output end of each inverter station is connected with a load centre through an alternating current bus, and an input end of each inverter station is connected with the second direct current bus through a direct current line; and the first direct current bus is connected with the second direct current bus through k direct current lines, and the m rectifying stations and the n inverter stations are connected through the k direct current lines, thereby constructing the multi-terminal direct-current transmission system. The system realizes the decoupling of a wind farm and a local alternating current network and realizes the centralized transmission of large-scale wind power, improving the rate of power transmission line utilization.
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