Maximum Power Point Tracking for Photovoltaic Systems

This solution for solar photovoltaic (PV) inverters is designed for maximum efficiency and reliability. It features Silan's advanced power semiconductors, including Silicon Carbide (SiC) diodes and high-speed IGBTs, to enable higher switching frequencies and reduce power losses. The design supports advanced Maximum Power Point Tracking (MPPT) algorithms, ensuring the maximum possible power is harvested from the solar panels under varying conditions.

System Block Diagram

Solar Inverter System Block Diagram showing PV input, MPPT boost stage, DC link, inverter stage, and grid output.

Core Advantages

  • Ultra-High Efficiency: SiC components enable peak efficiencies of over 98%.
  • Wide MPPT Range: Allows for flexible solar array configurations and maximizes energy harvesting.
  • Advanced Cooling: Optimized thermal design for high power density and long life.
  • Grid Support Features: Includes functions like reactive power control and low-voltage ride-through.

Recommended Bill of Materials (BOM)

Function Recommended Part Description Link
MPPT Control SC32F9754 High-performance 32-bit MCU View Product
Boost Stage Switch SGT50N65 650V/50A IGBT View Product
Inverter Stage SPM-31-v2 600V/15A Intelligent Power Module View Product
Gate Driver SD8585 High/Low Side Gate Driver View Product