BEIJING, Feb. 6 (Xinhua Silk Road) -- The second phase of the Yangzhou-Zhenjiang ±200 kilovolt (kV) direct current (DC) power transmission project in east China's Jiangsu Province successfully passed a 1.2-million-kilowatt (kW) full-power operation test on Tuesday.
The test, completed at 5 p.m., met all design targets and performance requirements. It marks the first time a DC project using "source-led line commutated converter" (SLCC) technology has passed a full-power test.
As a continuation of the phase I project, this new phase adds a second cross-river circuit via the Wufengshan channel. The project involved building two new converter stations and 228 kilometers of DC lines to expand Jiangsu Province's AC/DC hybrid grid. It increases the capacity to send electricity from northern to southern Jiangsu by 1.2 million kW.
The project's receiving end, the Lingkou converter station, is the world's first to use SLCC technology. Acting as a "smart regulator," this technology improves power quality and reliability while reducing equipment noise and electrical interference without requiring additional land.
(Edited by Tian Shenyoujia with Xinhua Silk Road, tianshenyoga0524@163.com)
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