Global Power Transformer Market Size, Share, Analysis By Report Power Output (Power Transformers(Small, Medium, Large)), Transformers' Cooling Type (Oil-Cooled, Air-Cooled), Transformers' Phase (Single, Three), Application (Power Generation Plants, Transmission and Distribution Utilities, Industrial Sector, Renewable Energy Integration) Industry Region & Key Players-Industry Segment Overview, Market Dynamics, Competitive Strategies, Trends & Forecast 2025-2034