Oil immersed voltage regulators maintain stable output voltage during input voltage fluctuations through the principle of electromagnetic induction and the adjustment of internal coils in transformers.The function of USD7500 1250KVA oil immersed induction regulator:Stable voltage, contactless, maintenance free, shock resistant, high power, low price, multiple protection functions, efficient heat dissipation, strong adaptability, no environmental interference.The advantages of our Three phase oil immersed voltage regulator:Voltage regulation is more precise and convenient, voltage and current display is more intuitive, understanding operating temperature, durable, and has good dust prevention effect.