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MULTI-TERMINAL DIRECT-CURRENT POWER TRANSMISSION SYSTEM AND CONTROL METHOD OF MULTI-TERMINAL DIRECT-CURRENT POWER TRANSMISSION SYSTEM

机译:多端子直流输电系统及控制方法

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
机译:为了独立执行根据直流系统的直流电压的有效功率控制和根据交流系统的频率波动的有效功率控制。解决方案:为了保持直流电压Vadc直流系统中的Vbdc,Vbdc和Vwdc分别为一定的常数,或者使它们遵循各自的常数,AC-DC转换器103A,103B分别作为有效功率调整转换器100A,100B独立地动作。 AC-DC转换器103W和风电场106作为除皱转换器100W工作。每个有效功率调节转换器100A和100​​B根据交流系统101A和101B的频率Fa和Fb的波动来控制流过每个AC-DC转换器103A和103B的每个有效功率Pa和Pb。除皱转换器100W通过调节流过AC-DC转换器103W的有效功率Pw来调节交流系统101A和101B提供和接收的有效功率Pa和Pb。

著录项

  • 公开/公告号JP2019165531A

    专利类型

  • 公开/公告日2019-09-26

    原文格式PDF

  • 申请/专利权人 HITACHI LTD;

    申请/专利号JP20180050685

  • 发明设计人 YOSHIHARA TORU;KIMURA MAMORU;

    申请日2018-03-19

  • 分类号H02J1;H02J3/38;H02J3/36;

  • 国家 JP

  • 入库时间 2022-08-21 12:24:27

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