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当前位置: 东方风力发电网>谈技术 >其他部件 > 海上风电场电能传输技术研究

海上风电场电能传输技术研究

2012-07-28 来源:《风能》 浏览数:1430

  1.2.1 基于PCC 的常规HVDC并网方式
  基于PCC 技术的海上风电场HVDC 传输系统包括:换流变压器、基于晶闸管阀的换流器、直流和交流滤波器、平波电抗器、电容器组和静止无功发生器(STATCOM)、直流电抗和回传通道、辅助设备及控制和保护系统等。
  采用基于PCC 的常规HVDC 输电具有以下特点:
  (1)海上风电场的频率可以大范围变化,由于采用HVDC 传输方式,不存在和陆上电网同步问题,电网的每个联络终端都可以依照自己的控制策略运行,具有很大独立性;

  (2)传输距离不受限制,交流电缆的充电电流是一个影响电力传输的重要问题,而直流电缆的充电电流则基本上可以忽略;

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