With advanced onshore, offshore and aerial tools combined, the world’s first five-terminal flexible DC transmission project — the Zhoushan ±200 kilovolt five-terminal flexible DC project — underwent its first comprehensive inspection since commissioning this month in Zhoushan, Zhejiang province. The inspection marks the largest maintenance operation in the 10-year history of the Zhoushan flexible DC … Continue reading World’s biggest flexible DC transmission project undergoes largest inspection