Solar Inverter
Renewable Energy Application
Description
High-efficiency power conversion solution for solar inverters with maximum power point tracking (MPPT), grid compliance, and reliable operation. Our solar inverter solution features Semikron IGBT modules and gate drivers optimized for photovoltaic power conversion. The solution supports string inverters from 3kW to 50kW and central inverters up to 250kW with MPPT efficiency up to 99.9%.
Core Advantages
Recommended Bill of Materials (BOM)
| Item | Part Number | Description | Quantity | Datasheet |
|---|---|---|---|---|
| 1 | SKM200GB12T4 | IGBT Module, 1200V, 200A, SEMiTRANS 4 | 1 | 📄 Download |
| 2 | SKKD160/16 | Rectifier Bridge, 1600V, 160A | 1 | 📄 Download |
| 3 | SKYPER32PRO | Gate Driver, 23A | 1 | 📄 Download |
Applications
Technical Specifications
Customer Success Stories
Large Solar System Integrator
Solar Power Generation | Commercial Distributed Solar Inverter
Challenge
Required development of high-efficiency, high-reliability 30kW three-phase grid-tied inverter with European efficiency >98%, MTBF >50,000 hours, and controllable costs.
Solution
Adopted SKM200GB12T4 as core power device with SKYPER32PRO drivers. Optimized thermal design with intelligent air cooling system. MPPT algorithm used improved incremental conductance method.
Results
European efficiency achieved 98.3%, MPPT efficiency 99.95%. Passed IEC 62109 and VDE-AR-N 4105 certification. Product successfully shipped over 10,000 units with failure rate below 0.5%.
"Semikron IGBT's excellent performance and LiTong's technical support are key to our product success"
New Energy Technology Company
Energy Storage Systems | Solar-Storage Integrated Inverter
Challenge
Developed solar+storage integrated inverter requiring bidirectional power flow, charge/discharge efficiency both >97%, and limited volume.
Solution
Adopted SKM100GB12T4 to build bidirectional DC-AC converter with bidirectional DC-DC converter for battery interface. Adopted high-frequency design to reduce magnetic component volume.
Results
Charge/discharge efficiency both achieved above 97.5%, system power density reached 1.2kW/L. Product passed CE certification and successfully entered European energy storage market.
"Semikron modules' high efficiency and reliability give our energy storage products competitive advantage"
FAE Expert Insights
David Li
Senior FAE - Renewable Energy
12+ years
Professional Insights
This solution provides excellent performance for target applications.
Key Takeaways
- SKM200GB12T4 is the best choice for 20-50kW solar inverters
- 16-20kHz switching frequency achieves the best balance between efficiency and EMI
- European efficiency above 98% requires careful loss optimization
- Thermal design must consider high-temperature environment derating
- Grid code certification requires advance planning to avoid later rework