Energy

Why Solid-State Transformers Are the Technology India Cannot Afford to Miss One of the most underappreciated engineering achievements in India’s modern history is the unification of its electric grid Five regional grids — Northern, Eastern, Western, North-Eastern, and Southern — historically operated in isolation, each with different frequency profiles and zero power exchange. Unifying them took decades. The final milestone came in 2013 with the 765 kV Solapur–Raichur line li