The DBW-SW series single-phase intelligent thyristor contactless AC voltage regulator is a new-generation smart, rapid, and energy-efficient voltage stabilizer designed by our company by introducing and adapting advanced foreign technologies while adapting them to China's national conditions for stable AC voltage regulation. Its central control system employs microcontroller-based intelligent control and features a multi-language LCD display, highlighting the equipment's safety, stability, energy efficiency, and user-friendly interface. Compared with traditional compensating voltage regulators and conventional contactless AC voltage regulators in the industry, it offers five significant advantages: intelligent control and display, high precision, rapid voltage stabilization, quiet operation with energy savings, and output without abrupt fluctuations. Notably, its contactless high-precision rapid voltage stabilization and output stability without abrupt changes represent an industry-first technology, placing it absolutely at the forefront of the sector.