HVDC power transmission的用法和樣例：
例句
- The HVDC transmission system may lead to subsynchronous oscillation under certain circumstances.
高壓直流輸電系統在一定條件下可能引發(fā)系統的次同步振蕩。 - In future, several HVDC systems will set in Shanghai, which is expected to create a multi-inked HVDC system.
摘要未來(lái)多個(gè)直流輸電系統落點(diǎn)于上海地區，將構成多饋入直流輸電系統。
