A year after near total blackout, China builds world’s largest smart transformer

Just over a year after an incident that nearly triggered a cascading failure across China’s national power grid, engineers have developed the most powerful smart direct current (DC) transformer on the planet – an innovation poised to neutralise renewable energy shocks to the system. The technology addresses an urgent need following a near total blackout in August last year, when low-frequency swings triggered by poorly integrated wind energy in the Xinjiang Uygur autonomous region threatened to...