a 5T medium frequency furnace always burns KK thyristor (2500A / 3000V) and always burns the same thyristor. What’s the matter?
Induction heating equipment with high relative power and low frequency shall be selected for large workpieces, bars and solid materials; For small workpieces, pipes, plates, gears, etc., induction heating equipment with low relative power and high frequency shall be selected.
In the process of induction heating, the power loss mainly includes the following three aspects:
During the use of medium frequency furnace, the induction coil is often burned through. There are two main reasons: one is that the induction coil is burned through due to the overflow of molten iron after the furnace lining is burned through; Second, during pouring, the operation is careless or the furnace mouth is too short, and the splashed molten iron adheres to the induction coil to burn it through.
During the use of the medium frequency furnace, sometimes the electric furnace inductor will ignite between turns and leak water.