Beyond Tradition, Innovative Revolution — IGBT Rectifier Hydrogen Power Supply

The hydrogen power supply utilizing the IGBT (Insulated Gate Bipolar Transistor) rectifier scheme operates by controlling the conduction and switching states of the IGBT, achieving rectification and conversion of the AC power source.

Compared to traditional thyristor rectifiers, the hydrogen power supply adopting the IGBT rectifier scheme offers the following advantages:

1. Modular Structure: Modular design reduces device maintenance costs and manual debugging expenses.
2. Multi-Winding Parallel Connection: Enables N+1 redundancy.
3. High Overall Efficiency: Achieves an efficiency of ≥98% for the entire system.
4. Power Factor: Power factor of ≥0.99.
5. Input Current Harmonics: Low harmonic distortion.
6. Wide Voltage Regulation Range with High Precision.

This scheme addresses the challenges of traditional thyristor rectifier solutions, including:

1. Poor Grid Friendliness: Negative impact on the integration of renewable energy hydrogen systems with the grid. A. Grid-side current harmonics >6%. B. Grid-side power factor <90%.
2. Slow Dynamic Response: Inability to match the fluctuating nature of renewable energy sources. When photovoltaic/wind power output decreases rapidly, the hydrogen production system needs to draw power from the grid, resulting in increased hydrogen production costs and non-100% green hydrogen. A. Response time >10s. B. Poor ability to adapt to grid fluctuations.
3. System Complexity: Requires additional power quality control devices, such as high-voltage SVG (Static Var Generator), leading to high investment and maintenance costs, as well as low overall system conversion efficiency.

With its superior performance and innovative features, the IGBT rectifier hydrogen power supply revolutionizes the field of hydrogen production.