hvdc link造句

• All four hvdc links that have been built to date were delivered by abb
  迄今为止，全部建成的四条hvdc传输线全部由abb交付。
• The heart of hvdc link is its control and protect system, and my work is focused on firing-pulse generator an important part in the control and protect system
  直流输电的控制和保护二次系统是国产化的重点，而脉冲发生器是控制和保护系统中的关键技术之一。
• On the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk . based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel
  研究表明，系统整流站附近的同步发电机组要承受电气负阻尼作用，因此有可能引起机组低频扭转振荡模式失稳；而hvdc的逆变站向其临近同步发电机组提供正阻尼，因而机组不存在次同步振荡危险。