Digital Fault Recorder Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage:by Type (Dedicated DFR, Multifunctional DFR); Installation (Generation, Transmission, and Distribution); and Voltage (66 kV, 66 - 220 kV, and above 220 kV), and Geography (North America, Europe, Asia Pacific, and South and Central America)