Gezhouba-Nanqiao ±500 kV HVDC project is the first imported HVDC transmission system with advanced technologies in China, which was build in 1989. This paper collected main faults happened in recent years, and ma...Gezhouba-Nanqiao ±500 kV HVDC project is the first imported HVDC transmission system with advanced technologies in China, which was build in 1989. This paper collected main faults happened in recent years, and many faults caused equipment outages have been analyzed. Existing problems are listed in this paper.展开更多
文摘Gezhouba-Nanqiao ±500 kV HVDC project is the first imported HVDC transmission system with advanced technologies in China, which was build in 1989. This paper collected main faults happened in recent years, and many faults caused equipment outages have been analyzed. Existing problems are listed in this paper.