Global Hydrogen Cooled Generators Market Size, Share, And Industry Analysis Report By Cooling Method (Direct Cooling Systems, Indirect Cooling Systems), By Power Rating (Below 500 MVA, 500 to 800 MVA, Above 800 MVA), By End-Use (Thermal Power Plants, Coal Power Plants, Gas Power Plants, Nuclear Power Plants), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034