Power Transformers Market by Cooling Type (Oil-Cooled, Air-Cooled), by Power Rating (Small [Up to 60 MVA], Medium [61–600 MVA], Large [Above 600 MVA]), by End User (Commercial, Residential, Industrial), by Geography (U.S., Canada, France, Germany, U.K., Italy, Spain, Japan, China, India, Brazil, Saudi Arabia, South Africa) – Global Market Size, Share, Development, Growth, and Demand Forecast, 2030