Oil Filled Transformer Market Size By Core (Closed, Shell, Berry), By Product (Distribution Transformer, Power Transformer, Instrument Transformer, Others), By Winding (Two Winding, Auto Transformer), By Installation (Outdoor, Indoor), By Modes of Cooling (Oil Natural Air Natural (ONAN), Oil Natural Water Forced (ONWF), Oil Natural Air Forced (ONAF), Others), By Phase (Three phase, Single phase), By Mounting (Pad, Pole, Foundation, Others), By Rating (< 5 MVA, 5 to 10 MVA, >10 MVA), By Substation Connectivity (Distribution, Transmission), By Application (Residential & Commercial, Utility, Industrial) By Industry Analysis Report, Regional Outlook, Application Potential, Competitive Market Share & Forecast, 2018 - 2024