Modular Wind Converter Solution

The Challenge: Scalability and Maintainability in Large Wind Turbines

Modern wind turbines in the 8-15 MW range demand power electronic converters that can deliver exceptional reliability while maintaining flexibility for various grid requirements. Traditional monolithic converter designs present challenges in terms of manufacturing complexity, field serviceability, and technology upgradeability.

Our Modular Solution Approach

Our modular wind converter solution, powered by Firstack gate drivers, addresses these challenges through a scalable, service-friendly architecture:

System Architecture

• Modular Power Stacks: Independent 1-2 MW power modules for easy scaling
• Hot-Swappable Design: Field-replaceable modules for minimal downtime
• Advanced Control: Distributed control architecture with centralized coordination
• Grid Compliance: Full grid code compliance including LVRT and reactive power support

Firstack Integration Benefits

• Firstack 2FHD0620 SiC Drivers: Optimized for high-efficiency SiC switching
• Parallel Operation: Support for up to 4 parallel modules per driver
• Advanced Protection: Comprehensive fault detection and isolation
• Fiber Optic Interface: Excellent noise immunity in harsh environments

Key Performance Metrics

Implementations of this modular solution have demonstrated:

• System Efficiency: >98.5% overall conversion efficiency
• Availability: >99.5% system availability through modularity
• MTTR Reduction: 80% reduction in mean time to repair
• Grid Performance: Full compliance with IEC 61400-21-1

Maintenance Advantages

The modular approach provides significant operational benefits:

• Individual module replacement without full system shutdown
• Reduced spare parts inventory through standardization
• Enhanced diagnostic capabilities for predictive maintenance
• Technology upgrade path for future improvements