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The metal melting furnace can be started, and there is overcurrent when the power is increased. Common causes

Kim loại lò nóng chảy can be started, and there is overcurrent when the power is increased. Common causes:

①The intermediate frequency transformer is damaged or defective,

②The inverter pulse transformer is damaged or defective,

③Inverter SCR soft breakdown or intermittent,

④Leakage of the primary series capacitor of the intermediate frequency transformer,

⑤The electric heating capacitor has soft breakdown, and the insulation of the furnace ring or copper bar is not well grounded or slightly short-circuited.