Keywords: furnace, power, performance, IGBT, transistor, frequency conversion, intermediate frequency, power supply, intermediate frequency electric furnace, three-phase rectification,

　　at present, the new generation IGBT transistor variable frequency intermediate frequency power supply and intermediate frequency electric furnace is a combination of advanced technologies at home and abroad and takes the road of high-tech development and production, adhere to the market-oriented, local conditions. The main components of the equipment are imported from Germany, with fine workmanship, strong sealing and good cooling effect. The three-phase rectifier is fully conductive and can maintain the highest DC voltage. The inverter adopts a series resonant electric furnace, and the power is adjusted by the inverter. It is a real constant power supply. The smelting speed is fast, there is no high-order harmonic interference, no pollution to the power grid, the power factor can reach more than 0.98, and the power saving rate can be saved by about 20%.
　　And the product has high reliability, strong stability and sensitive protection. Closed cooling machine chaotic water cooling, greatly reducing the failure rate, to ensure the normal and stable operation of the equipment, is the current intermediate frequency power supply revolution in the process of the emergence of a new generation of high-tech products.

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