North America Power & Distribution Transformer Market - Segmented By Type (Power Transformer, Distribution Transformer), By Rating (upto 100 kVA, 100.1-500kVA, 500.1-1000kVA, 1000.1-5000kVA, 5.1-100MVA, 100.1-500MVA, Above 500MVA), By End User (Residential, Commercial, Industrial, Utility), By Phase (Single Phase, Three Phase), By Insulation (Oil Immersed, Dry), By Country, Competition, Forecast a