200KW-1000KW mediun frequency IGBT induction heating power supply

The Medium frequency IGBT induction heating power supply is an induction heating device that uses insulated gate bipolar transistors (IGBT) as inverter devices, mainly used for heat treatment processes such as metal melting, conduction, and quenching.

working principle
Energy conversion: Firstly, the AC power is converted into DC power through a rectifier circuit. Then, an inverter circuit composed of IGBTs converts the DC power back into intermediate frequency AC power. Finally, an alternating magnetic field is generated through an induction coil, which induces current in the metal workpiece placed in the magnetic field, thereby achieving heating.
Frequency selection: In the mid frequency band, the operating frequency of IGBT induction heating power supply is usually between 1kHz and 20kHz, which can be adjusted according to different heating processes and workpiece requirements.

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Advantages
Efficient and energy-saving: intermediate frequency IGBT induction heating power supply adopts series resonant inverter, with high inverter voltage, low current, and low line loss, saving 15% -25% energy compared to traditional thyristor intermediate frequency power supply.

Constant power output: It is not affected by the amount of furnace material or the thickness of the furnace lining, and maintains constant power output throughout the heating process, especially in the production of non-magnetic materials such as stainless steel, copper, and aluminum, which has obvious advantages. Low high-order harmonic pollution: The rectification part adopts full bridge rectification without adjusting the conduction angle of the thyristor, and the DC voltage always operates at the highest level, without generating high-order harmonics and causing minimal pollution to the power grid.
Fast heating speed: Adding a small amount of material can achieve full power output and keep it constant, so the melting speed is fast.
Easy to operate: Heating current and voltage values can be set, and current, voltage, power, and frequency are fully displayed, making the operation intuitive and convenient.
Application Fields
Metal melting: can be used for melting carbon steel, alloy steel, cast steel, non-ferrous metals, etc. Heat treatment: Quenching heat treatment can be applied to gears, sprockets, half shafts, spline shafts, camshafts, crankshafts, etc. It can also be applied to square steel, angle steel, round steel, bar stock, steel bars, steel plates, etc. Welding: Perform welding heat treatment on turning tools, milling cutters, diamond saw blades, cutting teeth, air conditioning branch pipes, etc.

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