The ‌ABB GFD233A103 3BH022294R0103‌ is an advanced rectifier control module within the AC800PEC platform, specifically engineered for high-power industrial rectification systems. As part of ABB’s Process Enterprise Control series, this controller enables precise thyristor firing control with ±0.01° phase angle resolution, making it indispensable for aluminum smelting and chlorine production electrolysis processes. The ‌GFD233A103 3BH022294R0103‌ integrates adaptive current balancing algorithms that maintain ±0.5% current deviation across 72+ parallel rectifier units.