Global Control Transformer Market By Type (By Phase Type , Single Phase , Three Phase , By Power Rating , 25-500 VA , 500-1,000 VA , 1,000-1,500 VA , and Above 1,500 VA), By Application (Power Generation , Oil & Gas , Chemical , and Metal & Mining (Iron, Steel, and Aluminum)), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029