1500V Solar PCS Solution

The Challenge: Higher DC Voltages, Greater Efficiency Demands

The solar industry's shift to 1500V DC systems has unlocked significant cost savings through reduced balance-of-system costs and improved energy yields. However, this transition presents new challenges for power conditioning systems (PCS), particularly in the inverter stage where reliable, high-efficiency switching is critical.

Our Solution: Firstack-Powered 1500V PCS Design

Leveraging Firstack's industry-leading gate drivers, our recommended solution addresses the unique requirements of 1500V solar applications:

Key Components

• Firstack 2FHD0620 SiC Drivers: Optimized for 1700V SiC modules with superior dv/dt immunity
• Multi-level topology support: Compatible with NPC and flying capacitor inverter designs
• Advanced protection: Comprehensive fault detection and active clamping

Technical Benefits

• High Efficiency: >99% inverter efficiency through optimized SiC switching
• Excellent Grid Code Compliance: Superior harmonic performance and reactive power control
• Enhanced Reliability: Proven protection schemes and thermal management
• Reduced LCOE: Lower maintenance requirements and higher energy yield

Implementation Highlights

Our customers have successfully deployed this solution in utility-scale installations across various climatic conditions, achieving:

• System availability >99.5%
• Inverter efficiency consistently above 99%
• Zero driver-related failures over 24 months of operation