In what aspects is the electricity pollution of the induction melting furnace?

The intermediate frequency power supply rectification of the ಪ್ರವೇಶ ಕರಗುವ ಕುಲುಮೆ is a 6-pulse full-wave rectification, and the 5th and 7th harmonic currents exceed the standard, which causes a serious decline in the power quality of the power grid and a significant increase in power loss.