AsiaNet 201930 SHIJIAZHUANG, China, Oct. 20, 2026 /Xinhua-AsiaNet/-- Recently, an "extreme challenge" for power grid security concluded successfully. As the 35 kV collector line of the Liuqing Wind Farm was energized and ran stably for over three hours, Hebei Power Grid's first grid-forming wind farm station-level black start test succeeded. This marks a functional upgrade for wind farms - under grid fault and blackout scenarios, a wind farm can start autonomously and provide local support, becoming an important force for rapid grid restoration. The so-called "black start" is a key tech…READ FULL ARTICLE