Compared with a traditional TIG power source, a TIG inverter with advanced controls offers increased control over the welding arc that allows the operator to tailor the bead profile, improve arc starting, increase travel speeds, perform better on thinner materials and thinner sections as well as experience other production benefits. A traditional power source uses a transformer to turn high voltage, low amperage primary power into low voltage, high amperage power required for welding. An inverter power source, such as the Miller Dynasty 350, takes input power, filters it to DC, and, using fast solid-state switches, increases its frequency to 20,000 to 100,000 Hz. Then, it transforms the current it into useable welding power through an advanced level of control over the arc. Inverter technology provides the capability for high speed pulsing in DC mode. In AC mode, an inverter allows waveform shaping and more control for optimal results in the weld. We'll take a look at some of the benefits behind these additional capabilities and how they can be used.
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