为探讨高压直流设备绝缘的最主要问题—空间电荷效应，应用电声脉冲法(PEA)对油纸绝缘材料的空间电荷特性进行了研究。
This paper studied the space charge characteristics of oil-paper insulation materials by the Pulsed Electro-Acoustic (PEA) method.
800千伏特高压直流变压器是实现远距离、大容量输电的特高压输电线路的关键设备。
The 800 kV UHVDC transformer is a key component of ultrahigh-voltage power links that deliver large amounts of electricity over very long distances.
另外宣布的是，ABB还被选中为两座换流站提供800千伏特高压直流变压器设备。
As separately announced, ABB has also been selected to supply the 800 kilovolt (kV) UHVDC transformers for both converter stations.
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