Special Transformers are professional electrical equipment designed for specific industrial applications, playing a pivotal role in sectors such as metallurgy, chemical processing, and rail transport. These transformers possess unique characteristics to withstand complex operating conditions, including high short-circuit impedance, tolerance for multiple harmonics, independent power supply for separate windings, and resilience to frequent load impacts. They meet the stringent demands of diverse industrial systems for power stability, reliability, and flexibility.
Typical products include electric furnace transformers, rectifier transformers, split-winding transformers, and traction transformers. These respectively provide core electrical support for industrial production and public infrastructure in scenarios such as high-temperature smelting, AC/DC conversion, multi-circuit independent power supply, and rail transit power delivery, ensuring efficient, stable, and safe system operation.
Traction transformers are specifically designed for rail transit systems such as railways and metros, providing stable power to electric locomotives. Characterised by their ability to withstand frequent load variations and short-term overloads, they offer high reliability and impact resistance, ensuring the efficient and safe operation of rail transit systems.
Phase-shifting transformers regulate power flow within electrical systems by adjusting voltage phase, thereby enhancing grid stability and power quality. They find extensive application in high-voltage direct current transmission (HVDC), flexible alternating current transmission systems (FACTS), and renewable energy grid integration, enabling dynamic adjustment and efficient power management.
The secondary winding of a split transformer comprises multiple independent branches, each separated by high impedance. This design enables each branch to supply power independently, thereby reducing mutual interference and enhancing system reliability and flexibility. It is commonly employed in power stations, large industrial equipment, and other applications requiring multiple independent power sources.
Rectifier transformers are employed to convert alternating current into direct current, finding extensive application in fields such as electrical bridges, electroplating, and rail transport. Characterised by their capacity to withstand substantial harmonic currents and load fluctuations, they exhibit high efficiency and low losses, thereby ensuring the stable operation of rectifier systems.
Electric furnace transformers are specifically designed for electric furnace equipment in industries such as metallurgy and chemical processing, delivering stable high currents at low voltages.
They meet high-temperature heating requirements, characterised by substantial load capacity and high short-circuit impedance. Capable of sustained, stable operation in harsh industrial environments, they serve as the core component of electric furnace installations.
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