Induction furnace high-power electric heating water-cooled capacitors use high-precision CNC machine tools for shell processing to ensure that the capacitors have a compact structure and sealing performance, effectively resist external environmental interference, and extend their service life. The selection of high-purity electrolytic paper and high-quality metalized film as dielectric materials, combined with high-conductivity metal electrodes, not only improves the voltage resistance and capacitance of the capacitor but also significantly enhances its high-temperature resistance and corrosion resistance. Integrated advanced temperature and current monitoring systems provide real-time feedback on the working status of the capacitor. Once an abnormality is detected, an alarm will be issued immediately to facilitate timely maintenance and ensure production safety. Through the precise capacitance adjustment mechanism, the fluctuation of the power grid is effectively smoothed, ensuring that the induction furnace can still output a stable voltage in an unstable voltage environment, and protecting other electrical components from damage. Due to the use of efficient water cooling and intelligent monitoring technology, the operating temperature and failure rate of the capacitor is greatly reduced, thereby extending the service life of the entire induction furnace system and reducing maintenance costs.