Question

which transformer is use in AC arc welding?​

Answer 1

Answer:

Modern welders usually don't use mains frequency transformers, rather they are sophisticated IGBT or MOSFET-based converters from mains to DC or synthesized AC (AC is required for welding aluminum, DC is used for steel).

Answer 2

Answer:

(´･_･`)

Explanation:

Modern welders usually don't use mains frequency transformers, rather they are sophisticated IGBT or MOSFET-based converters from mains to DC or synthesized AC (AC is required for welding aluminum, DC is used for steel).