Parallel Resonant Power Cabinet Developed by Topyro for MF smelting and heating scenarios, the parallel resonant power cabinet features “mature, reliable technology and high cost-effectiveness”. It is widely applicable to medium-frequency furnaces (e.g., smelting furnaces, heating furnaces) in metallurgy and metal processing, providing stable power for single or multiple electric furnaces. It is especially suitable for small and medium-sized production scenarios with clear demands for equipment reliability, operational ease and investment cost.