Question

which power source are used in welding?​

Answer 1

Answer:

Welding processes use direct current (dc), alternating current (ac) or pulsed current. Power-Sources are generally classified as constant current, constant voltage and waveform control or pulse welding.

Explanation:

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Answer 2

Answer:

Five types of power source exist: AC transformer; DC rectifier; AC/DC transformer rectifier, DC generator and inverter. The type of control, e.g. primary tapped, saturable reactor, thyristor and inverter is an important factor in the choice of power source.