Variable Frequency Drive Market Size By Power Range (Micro, Low, Medium, High), By Drive (AC, DC, Servo), By Voltage (Low, Medium), By Technology (Standard, Regenerative), By Application (Pump, Centrifuges, Conveyor, Evaporators, Mixers, Grinders, Cutters, Fans, Others), By End-Use (Oil & Gas, Power Generation, Food Processing, Automotive, Mining & Metals, Pulp & Paper, Others), Industry Analysis Report, Regional Outlook, Application Potential, Competitive Market Share & Forecast, 2020 – 2026